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This page is updated frequently with new Polymer-related patent applications. Subscribe to the Polymer RSS feed to automatically get the update: related Polymer RSS feeds. RSS updates for this page: Polymer RSS RSS

Catheter or stent delivery system

Catheter or stent delivery system

Bioabsorbable biomedical implants

Integrated negative pressure bandages

Date/App# patent app List of recent Polymer-related patents
 Manufacturing vehicle floor trays patent thumbnailManufacturing vehicle floor trays
The three-dimensional positions of points on a surface of a vehicle foot well are digitally measured and are stored in a memory. The stored points are used to construct an electronic model of the vehicle foot well surface.
 Catheter or stent delivery system patent thumbnailCatheter or stent delivery system
A method for delivering catheters, and stents composed of soft, compliant polymers through anatomical passages. These devices have a bulbous anchorage end with a diameter greater than the rest of the catheter.
 Bioabsorbable biomedical implants patent thumbnailBioabsorbable biomedical implants
A bioabsorbable biomedical implant is disclosed. The implant includes a tubular scaffold comprising a plurality of interconnected polymer struts.
 Integrated negative pressure bandages patent thumbnailIntegrated negative pressure bandages
An integrated negative pressure bandage is constructed with a non-woven polyurethane matrix pad secured on the outside surface to a sheet of polyurethane film formed with an outer adhesive boundary to establish a seal against the skin of the patient around the wound site. The integrated negative pressure bandage is applied to a patient having said wound by removing said release member and attaching said adhesive layer exposed by the removal of said release member to said patient such that said adhesive layer is sealed to the patient around said wound with said non-woven polymer matrix pad being positioned over said wound, and attaching said connector port to said source of negative pressure.
 Negative pressure foot bandage patent thumbnailNegative pressure foot bandage
A negative pressure foot bandage kit includes a non-woven gauze member, gel strips placed around the patient's foot to form a gasket proximal to the wound site, a polymer outer film member sealed around the foot and against the gel strips to encompass the wound site, and a vacuum port applied to the outer film member in register with a hole formed therein to apply a vacuum to the bandage. The gauze member is spoon-shaped and includes a handle portion that can be cut to size for enclosure within the bandage, with a mesh layer on both opposing sides.
 Macrolide particulates, methods for preparation, and medical devices associated therewith patent thumbnailMacrolide particulates, methods for preparation, and medical devices associated therewith
The disclosure provides macrolide particulates including a macrolide therapeutic agent such as rapamycin at high concentration in the particulate. In one method the particulates are made by adding a composition containing an polyoxyethylene sorbitan n-acyl ester, poly(ethyleneimine), or alkylated quaternary ammonium salt to a composition including macrolide dissolved in an alcohol such as ethanol.
 Carpal tunnel glove patent thumbnailCarpal tunnel glove
A glove is for the treatment and/or prevention of repetitive stress injury such as carpal tunnel syndrome includes an exterior fabric portion fabricated from synthetic polymeric material, and an interior fabric portion fabricated from pure metallic silver yarn joined to the exterior fabric.. .
 Continuous analyte sensors and methods of making same patent thumbnailContinuous analyte sensors and methods of making same
Described here are embodiments of processes and systems for the continuous manufacturing of implantable continuous analyte sensors. In some embodiments, a method is provided for sequentially advancing an elongated conductive body through a plurality of stations, each configured to treat the elongated conductive body.
 Opacity consistent polymer graft for optical sensor patent thumbnailOpacity consistent polymer graft for optical sensor
A sensor (e.g., an optical sensor) that may be placed within a living animal (e.g., a human) and may be used to measure an analyte (e.g., glucose or oxygen) in a medium (e.g., interstitial fluid) within the animal. The sensor may include a sensor housing and a polymer graft including indicator molecules and covering at least a portion of the sensor housing.
 Synthetic matrix for controlled cell ingrowth and tissue regeneration patent thumbnailSynthetic matrix for controlled cell ingrowth and tissue regeneration
Biomaterials containing a three-dimensional polymeric network formed from the reaction of a composition containing at least a first synthetic precursor molecule having n nucleophilic groups and a second precursor molecule having m electrophilic groups wherein the sum of n+m is at least five and wherein the sum of the weights of the first and second precursor molecules is in a range from about 8 to about 16% b weight of the composition, preferably from about 10 to about 15%, more preferably from about 12 to about 14.5% by weight of the composition. In one embodiment, the first and second precursor molecules are polyethylene glycols functionalized with nucleophilic and electrophilic groups, respectively.
Process for recycling polyacetals
A process for recycling polyoxymethylene polymers is disclosed. A polyoyxmethylene polymer is at least partially dissolved in an aprotic compound.
Method for producing glycolide
A method for producing glycolide comprises depolymerizing a glycolic acid oligomer in the presence of a phenol-based antioxidant.. .
Process for continuous isocyanate modification
A process for continuous preparation of oligomeric or polymeric isocyanates by catalytic modification of monomeric di- and/or triisocyanates, characterized in that at least one isocyanate component a and at least one catalyst component b are combined continuously in a reaction apparatus and conducted through the reaction apparatus as a reaction mixture, the residence time distribution being characterized according to the dispersion model by bo (bodenstein number) above 40, preferably above 60 and most preferably above 80.. .
Sorbent comprising on its surface an aliphatic unit having an anionic or deprotonizable group for the purification of organic molecules
The present invention relates to a sorbent comprising a solid support material, the surface of which comprises a residue of a general formula (i), wherein the residue is attached via a covalent single bond to a functional group on the surface of either the bulk solid support material itself or of a polymer film on the surface of the solid support material. Furthermore, the present invention relates to the use of the sorbent according to the invention for the purification of organic molecules, in particular pharmaceutically active compounds, preferably in chromatographic application..
Plasma protein fractionation by sequential polyacid precipitation
There is a recognized need for novel, more simplified, approaches to isolation of plasma from whole blood, as well as a need to isolate cell-free plasma fractions containing different plasma proteins. Methods are divulged for use of aqueous phase systems, formed in blood or blood containing solutions via addition of a single polymer at relatively low concentration, to effect isolation (clarification) of plasma proteins from blood cells.
Shape memory epoxy copolymers using aromatic alcohol cure agents
Wherein r1 and r5 are h, alkyl, aryl, or alkoxy, but not —ch3oh and r2, r3 or r4 are h, oh, alkyl, aryl, alkoxy or —ch3oh with the proviso that at least one of r2, r3 or r4 is —y—oh, wherein y is an alkyl.. .
Catalysts and methods for polymer synthesis
The present invention provides unimolecular metal complexes having increased activity in the copolymerization of carbon dioxide and epoxides. Also provided are methods of using such metal complexes in the synthesis of polymers.
Plasma treatment of halogenated compounds
A method and an apparatus for the non-thermal plasma processing of halogenated compounds. A non-thermal plasma reactor (110) with a non-thermal plasma reaction zone (116) may process one or more halogenated compounds diluted in an inert carrier gas in a gas stream (114).
Polymerisation process
The present invention relates to a polymerisation process, and in particular provides a process for the polymerisation of monomer in a polymerisation system having at least one component attached thereto which component is flushed with a flush medium which enters the polymerisation system, wherein initially said component is flushed with a first flush medium, and subsequently said component is flushed with a second flush medium.. .
Solid titanium catalyst component, olefin polymerization catalyst, and process for producing olefin polymer
The present invention provides a process for producing an α-olefin polymer comprising polymerizing or copolymerizing (a) c3 or higher α-olefin (s) in the presence of an olefin polymerization catalyst comprising solid titanium catalyst component (i) containing titanium, magnesium, halogen, and a compound with a specific structure having two or more ether linkages and organometallic catalyst component (ii) with high catalytic activity. In this process, particularly even in (co)polymerizing (a) higher olefin(s), demineralization is unnecessary.
Poly(carboxylic acid)-based polymer for hydraulic material additive
The present invention is a poly(carboxylic acid) polymer for a hydraulic material additive, wherein the polymer has a (poly)alkylene glycol chain, and the polymer has a weight average molecular weight (mw) of 30000 or less, and an amount of a thiol group in the polymer of 2.4 μmol/g or less.. .
Process for producing polytetrafluoroethylene fine powder
Tetrafluoroethylene is emulsion-polymerized in the presence of an aqueous medium, at least one fluorinated emulsifier selected from the group consisting of a c4-7 fluorinated carboxylic acid having from 1 to 4 etheric oxygen atoms in its main chain, and its salts, and a radical polymerization initiator, to produce a polytetrafluoroethylene emulsion; the obtained polytetrafluoroethylene emulsion is adjusted to a polytetrafluoroethylene concentration of from 10 to 25 mass %, followed by coagulation and stirring at a coagulation temperature of from 5 to 18° c. To separate a wet-state polytetrafluoroethylene fine powder; and the obtained wet-state polytetrafluoroethylene fine powder is dried to produce a polytetrafluoroethylene fine powder..
Process for the preparation of metallocene complexes
A process comprising reacting a 2-indenylboranic acid (ester) with a bromosubstituted compound in the presence of the pd catalyst bis(triphenylphosphin)palladium dichloride and a base to form the corresponding bridged bis(indenyl) ligand. Where the 2-indenylboranic acid (ester) is the pinacolester of 2-indenylboranic acid, the process may further comprise reacting a 2-bromo indene compound with pinacolborane in the presence of a pd catalyst and a base to form the corresponding 2-indenylpinacolylborane compound.
Solid catalyst component for polymerization of olefin, catalyst for polymerization of olefin, and method for producing olefin polymer
A solid catalyst component for olefin polymerization includes titanium, magnesium, a halogen, and a compound represented by the following formula (1): r1o—c(═o)—o—z—or2, and an olefin polymerization catalyst includes the solid catalyst component, an organoaluminum compound, and an optional external electron donor compound. An olefin polymer that has a moderate molecular weight distribution while maintaining high stereoregularity can be produced by utilizing the solid catalyst component and the olefin polymerization catalyst..
Polymerization product pressures in olefin polymerization
A process for making a low density polymer in a polymerization reactor system, the process comprising polymerizing an olefin monomer, and optionally an olefin comonomer, in the presence of a diluent in a polymerization reactor to make a polymerization product slurry consisting of a liquid phase and a solid phase, wherein the solid phase comprises an olefin polymer having a density of between about 0.905 g/cm3 to about 0.945 g/cm3; and discharging the polymerization product slurry from the polymerization reactor through a continuous take-off valve to make a mixture further comprising a vapor phase. The mixture comprises a pressure less than a bubble point pressure of a component in the polymerization product slurry..
Aluminum-polymer resin composite and method for producing the same
Disclosed is an aluminum-polymer resin composite. The composite includes i) aluminum and ii) a polymer resin bonded to the aluminum after modification of the aluminum surface with at least one surface modifier selected from the group consisting of sulfur-containing diazole derivatives, sulfur-containing diamine derivatives, sulfur-containing thiol derivatives, sulfur-containing pyrimidine derivatives, and sulfur-containing silane coupling agents.
Curable compositions
Curable compositions including an epoxy resin, a hardener, and a block copolymer having a thermoset-philic block and a thermoset-phobic block, where the block copolymer is from 20 weight percent to 80 weight percent of the curable composition are described herein.. .
Silicone based nanocomposites including inorganic nanoparticles and their methods of manufacture and use
Silicone-based nanocomposites that include a plurality of multimodal nanoparticles dispersed within a silicone-based polymeric matrix are provided. Each of the multimodal nanoparticle has a first plurality of long silicone compatible polymeric chains and a second plurality of short silicone compatible polymeric chains grafted onto a surface of a nanoparticle (e.g., an inorganic nanoparticle, such as silica, alumina, titania, indium tin oxide, cdse, etc.), with the short silicone compatible polymeric chains present on each multimodal nanoparticle at a higher grafting density than the long silicone compatible polymeric chains.
Resin composition eliminating volatile loss of initiating species for the preparation of printed circuit board laminates
An enhanced prepreg for printed circuit board (pcb) laminates includes a substrate and a resin applied to the substrate. The resin includes a curable polymer and a polymerization initiator polymer having a backbone with a free radical initiator forming segment that breaks apart upon being subjected to heat to generate a plurality of non-volatile initiating species.
Functionalized elastomer
The present invention is directed to a copolymer comprising: a polymeric backbone chain derived from a monomer comprising at least one conjugated diolefin monomer and optionally at least one vinyl aromatic monomer; and a polymeric side-chain bonded exclusively to a terminal end of the backbone chain, the side-chain comprising a polymer derived from a monomer having a hydrogen bond donor moiety and a hydrogen bond acceptor moiety.. .
Functionalized block composite and crystalline block composite compositions as compatibilizers
The invention provides functionalized block composites and crystalline block composites as compatibilizers. In particular, the invention provides compositions of at least three polymers and a compatibilizer.
Polymers with carboxylic ammonium groups as latent catalysts for epoxy curing applications
A one-component epoxy composition containing a latent catalyst and with surprisingly long storage stability. The catalyst being a reaction product of at least one tertiary amine compound and at least one polymer having at least one carboxylic acid and/or anhydride group..
Bismuth-containing catalyst for polyurethane compositions
Invention relates to bismuth-containing catalysts, obtainable by reacting at least one bismuth(iii) salt or bismuth(iii) complex with at least one 1,3-ketoamide with the formula (i). Such complex compounds are suited in particular as catalysts for one- and two-component polyurethane compositions.
Process for the production of polyimide and polyamic ester polymers
This disclosure relates to a process of purifying a polymer. The process includes (a) providing an organic solution containing a polyimide or polyamic ester in at least one polar, aprotic polymerization solvent; (b) adding at least one purification solvent to the organic solution to form a diluted organic solution, the at least one purification solvent is less polar than the at least one polymerization solvent and has a lower water solubility than the at least one polymerization solvent at 25° c.; (c) washing the diluted organic solution with water or an aqueous solution to obtain a washed organic solution; and (d) removing at least a portion of the at least one purification solvent in the washed organic solution to obtain a solution containing a purified polyimide or polyamic ester.
Poly(lactone)s, method of manufacture, and uses thereof
A poly(lactone) of formula (i) wherein b=0 or 1; the molar ratio of w:r:s:t=(0-30):(99.9-2):(0-98):(0-30), and w+s+t is at least 1; r1′ r2, and r3 are each independently a hydrogen or c1-4 alkyl; r4, r5, r6, and r7 are each independently hydrogen, c1-4 alkyl, or f wherein f is a functional group that imparts a property to the poly(lactone) i, at least one and no more than two of r4′ r5, r6, and r7 are f, and f is the same or different in each instance; q′ is a c1-30 hydrocarbyl group post-reacted with a crosslinking group and optionally crosslinked with one to five additional polymer backbones, wherein the additional polymer backbone comprises units of formula i; g′ is a single bond to an additional polymer backbone or g′ is a c1-30 hydrocarbyl group crosslinked with one to five additional polymer backbones.. .
Recycling of borehole solids in polymers
There is provided a method of fabricating a composite material, the method comprising providing borehole solids originating from a borehole in the earth and embedding the borehole solids in a base material thereby forming the composite material, wherein the base material comprises a polymer. According to an embodiment, the borehole solids contain oil, e.g.
Controllably degradable thermoplastic polyurethane and overgrips made therefrom
Controllably degradable overgrips are provided, as well as methods of producing controllably degradable thermoplastic polyurethane. Methods comprise pre-blending a catalyst on a matrix, dispersing a specified amount of the pre-blended catalyst throughout solid granular thermoplastic polyurethane to yield a polymer component, and determining an onset timing of hydrolytic breakdown of the polymer component by adjusting the specified amount of dispersed catalyst.
Ethylene-propylene-diene interpolymer composition
The present disclosure is directed to a composition and articles containing the composition. The composition includes an ethylene-propylene-diene interpolymer (epdm) having a rheology ratio greater than 33.
Nondrying polymer hydrogel
The problem to be solved is to provide a nondrying polymer hydrogel, which is not dried under atmospheric conditions and has excellent mechanical properties, and a method for producing the nondrying polymer hydrogel. A nondrying polymer hydrogel having both excellent nondrying properties and mechanical properties (e.g., excellent elongation properties, compression properties, and surface adhesiveness) can be produced by using a nondrying polymer hydrogel including a deliquescent substance in such a manner that the water vapor pressure shown by the polymer hydrogel is equal to or lower than the water vapor partial pressure in the atmosphere, in particular, by allowing a deliquescent substance to be contained at a high concentration in a polymer hydrogel having a network structure formed by a polymer of a water-soluble radically-polymerizable organic monomer having a specific chemical composition and a delaminated water-swellable clay mineral..
Fluorinated copolymer and process for its production, and water/oil repellent composition
To provide a fluorinated copolymer and a water/oil repellent composition having adequate water/oil repellency, excellent washing durability and low environmental impact. A fluorinated copolymer comprising units (a) derived from a macromonomer (a) which has, on average, at least two units (x) derived from 2-perfluorohexylethyl (meta)acrylate or the like, units (b) derived from a monomer (b) which has no fluoroalkyl group and no cross-linkable functional group and of which the glass transition temperature, when formed into a homopolymer, is from 50 to 150° c., and units (c) derived from a monomer (c) which has a cross-linkable functional group and no fluoroalkyl group, and a water/oil repellent composition containing such a fluorinated copolymer..
Fluorinated copolymer and process for its production, and water/oil repellent composition
To provide a fluorinated copolymer and a water/oil repellent composition, whereby adequate water/oil repellency and excellent dynamic water repellency are obtainable and environmental impact is low. A fluorinated copolymer comprising units (a1) derived from a macromonomer wherein the average polymerization degree of e.g.
Polypropylene composition with improved additive retention
A polypropylene composition characterized by improved additive retention can include at least 70 wt. % of a component (a) that is a random copolymer of propylene and ethylene produced with a metallocene-based polymerization catalyst.
Esters, hydrogenated derivatives thereof, and processes for producing the same
Processes for the production of compositions including esters and their hydrogenated derivatives are provided. The esters and the hydrogenated derivatives may be produced with among other things alcohols that are derived from biological sources such as photosynthetic microorganisms.
Plasticizer for low temperature unwind with weight retention during heat aging
The present disclosure is directed to a plasticizer, polymeric compositions containing the plasticizer, and conductors coated with the polymeric composition. The plasticizer includes (i) an epoxidized fatty acid methyl ester, (ii) an epoxidized natural oil, and (iii) an epoxidized tallate ester.
Polycarbonate resin composition and molded article
Provided is a polycarbonate resin composition including, with respect to 100 parts by mass of an aromatic polycarbonate resin mixture (a) consisting of 5 to 100 mass % of an aromatic polycarbonate-polyorganosiloxane copolymer (a-1) and 95 to 0 mass % of an aromatic polycarbonate resin (a-2) except the component (a-1), the aromatic polycarbonate resin mixture (a) having a content of a polyorganosiloxane unit is 1 mass % or more, 0.002 to 0.200 parts by mass of a phosphorus-based antioxidant (b) and 0 to 0.200 parts by mass of an epoxidation stabilizer (c), in which a reduction ratio p between the viscosity-average molecular weights of the resin composition before and after a pressure cooker test calculated from the calculation equation (i) is 20% or less. The polycarbonate resin composition can be a material for a molded body capable of maintaining its excellent impact-resisting performance at low temperatures for a long time period even when repeatedly used under a high-temperature and high-humidity environment, and its discoloration or the like hardly occurs even when the resin composition is retained at high temperatures..
Novel polymer and thermosetting composition containing same
This disclosure relates to a polymer that includes a first repeat unit and at least one end-cap group at one end of the polymer. The first repeat unit includes at least one imide moiety and at least one indane-containing moiety.
Aqueous dispersions and precursors thereof
A powder composition includes starch, acrylic acid homopolymer salt, and clay. The powder composition forms an aqueous dispersion having a neutral ph when added to water and is capable of clinging to a surface..
Architectural paint for covering defects
An architectural paint is disclosed which comprises a film-forming binder polymer, cotton fibers, and glass bubbles. The paint, in some embodiments, is capable of covering defects in a wall surface..
Thermoplastic elastomers via reversible addition-fragmentation chain transfer polymerization of triglycerides
The present invention relates to a thermoplastic block copolymer comprising at least one pa block and at least one pb block. The pa block represents a polymer block comprising one or more units of monomer a, and the pb block represents a polymer block comprising one or more units of monomer b.
Photosensitive resin composition for color filter and color filter using the same
A photosensitive resin composition for a color filter includes (a) a yellow or orange dye; (b) a dye combination of a cyanine dye represented by the following chemical formula 1, wherein in chemical formula 1, each substituent is the same as described in the detailed description, and a metal complex dye; (c) an acrylic-based binder resin; (d) a photopolymerizable monomer; (e) a photopolymerization initiator; and (f) a solvent, and a color filter using the same.. .
Ultraviolet cured optic binder
The ultraviolet cured optic binder has low curing shrinkage, low hardness and high optical transmittance. Technology programs are as follows: an ultraviolet cured optic binder composition includes the following raw material in parts by weight: 50 to 100 parts of prepolymer, 20 to 90 parts of inert resin, 35 to 70 parts of monomer, 5 to 12 parts of photoinitiator, 2 to 3 parts of coupling reagent, 1 to 2 parts of auxiliaries..
Red photosensitive resin composition for color filter and application of the same
The present invention relates to a red photosensitive resin composition for a color filter and an application of the same. The red photosensitive resin composition includes a pigment (a), an alkali-soluble resin (b), a cationic polymerized compound (c), a cationic photo-initiator (d) and an organic solvent (e).
Novel phosphonamidates-synthesis and flame retardant applications
A group of novel compounds containing one or more amino substituted dopo (9,10-dihydro-9-oxa-phosphaphenthren-10-oxide) moieties. The compounds were found to have good flame retardant properties and also good thermal stability, which makes them particularly suitable as flame retardant additives for various thermoplastic polymers.
Non-isocyanate rigid polymer foams by carbon-michael addition and foaming process
Polymer foam is made from a two-component foam system. The foam system includes an a-side component which contains a multifunctional michael acceptor and a blowing agent that has a boiling temperature in the range −40° c.
Thermoset polyurethane foam containing brominated polymeric flame retardant
Prepare a thermoset polyurethane foam containing a brominated polymer with aliphatic bromine as a flame retardant.. .
Fillers for foamed rigid polymer products
The present invention relates to a resin composition for preparing foamed rigid polymer products, comprising at least one polymer resin, a surface-treated calcium carbonate having a weight median particle diameter d50 of between 0.1 μm and 1 μm, measured according to the sedimentation method, in an amount of at least 10 parts per hundred parts of the at least one polymer resin (phr) and a blowing agent in an amount of less than 1 phr, to a foamed rigid polymer product prepared from the composition, to a method for preparing a foamed rigid polymer product as well as to the use of a calcium carbonate for reducing the density of a foamed rigid polymer product.. .
Block copolymers, their manufacture and their use
A functionalized block copolymer polymerized using vinylbenzylamino derivative monomers for use in such applications as anionic exchange membranes.. .
Topical composition comprising an ingenol derivative and a surfactant-cosolvent mixture
A topical composition for cutaneous application which is a water-in-oil emulsion comprises an oily phase comprising (a) an ingenol derivative in dissolved form; (b) at least one non-ionic surfactant selected from the group consisting of polyoxyl glycerides, polyoxyethylene castor oil derivatives, polyoxyethylene alkyl ethers, polysorbates, or a mixture of acrylamide acryloyldimethyl taurate copolymer, isohexadecane and polysorbate 80, sterols, fatty alcohols, fatty acid phosphonates, mono- or diglycol esters, mono- di- or polyglyceryl esters, mono-, di- or plyglucose esters, sucrose esters or sorbitan esters, the non-ionic surfactant being present in an amount of from about 0.5% by weight to about 10% by weight of the composition; (c) a solvent for the ingenol derivative; and an aqueous phase buffered to a ph of 2.6-3.7.. .
Methods of diagnosing and treating multiple sclerosis
Methods of using a 15-oxysterol, e.g., 15-ketocholestene (15-ke), 15-ketocholestane (15-ka), and/or 15-hydroxy-cholestene (15-hc), as a biomarker to monitor disease progression in multiple sclerosis (ms), and methods of treating secondary progressive ms (spms) using inhibitors of poly(adp ribose) polymerase-1 (pard-1).. .
Drug-containing implants and methods of use thereof
The present invention provides implants comprising a therapeutic drug and a polymer containing polylactic acid (pla) and optionally polyglycolic acid (pga). The present invention also provides methods of maintaining a therapeutic level of a drug in a subject, releasing a therapeutic drug at a substantially linear rate, and treating schizophrenia and other diseases and disorders, utilizing implants of the present invention..
Stabalized glycosaminoglycan preparations and related methods
Compositions comprising a glycosaminoglycan (e.g., a hyaluronan, hyaluronic acid, hyaluronate, sodium hyaluronate, dermatan sulfate, karatan sulfate, chondroitin 6-sulfate, heparin, etc.) in combination with at least one component selected from; i) polyglycols (e.g., polyethylene glycol), ii) long chain hydroxy polyanionic polysaccharides (e.g., dextran, sodium alginate, alginic acid, propylene glycol alginate, carboxymethyl cellulose and carboxyethyl cellulose, hydroxyl ethyl starch, hydroxyl propyl methyl cellulose, hydroxy propyl ethyl cellulose, hydroxy propyl cellulose, methyl cellulose, polylysine, polyhistidine, polyhydroxy proline, poly ornithine, polyvinyl pyrolidone, polyvinyl alcohol, chitosan, etc.) and iii) long chain nitrogen containing polymers (e.g., polylysine, polyvinylpyrrolidone, and polyvinyl alcohol). The invention also includes methods for using such compositions (e.g., as substance delivery materials, tissue fillers or bulking agents, as moistening or hydrating agents, etc.).
Compositions and methods for treating diseases
This invention relates to compositions and methods for treatment of vascular conditions. The invention provides arginine polymers and arginine homopolymers for the treatment and/or prevention of glaucoma, pulmonary hypertension, asthma, chronic obstructive pulmonary disease, erectile dysfunction, raynaud's syndrome, heparin overdose, vulvodynia, and wound healing.
Polymeric devices for controlled release of active agents
Polymeric devices for controlled release of an active agent of interest are provided. The active agent is provided within a biodegradable polymer system to supply a polymeric device for controlled release of the active agent.
Fabric having ultraviolet radiation protection
A method for treating a fabric for protection from ultraviolet radiation is disclosed which comprises the steps of dispensing a suspension of zinc oxide particles treated with an acid polymer into a washing machine during a time in which a fabric is being washed in the washing machine and mixing the treated zinc oxide particles and the fabric for the treated zinc oxide particles to bind to the fabric. Other methods for treating a fabric for protection from ultraviolet radiation are also disclosed..
Method of treating a high-temperature well with a fluid containing a viscosifier and a stabilizer package
A treatment fluid for treating a portion of a high-temperature subterranean formation comprises: a base fluid, wherein the base fluid comprises water; a viscosifier, wherein the viscosifier is a polymer, and wherein the viscosifier is thermally stable up to a temperature of 325° f.; and a stabilizer package, wherein the stabilizer package: (a) comprises a first stabilizer and a second stabilizer, wherein the first stabilizer is an oxygen scavenger and the second stabilizer is a ph adjustor; and (b) is capable of increasing the thermal stability of the viscosifier to a temperature greater than 350° f., wherein the portion of the subterranean formation has a bottomhole temperature greater than 350° f. A method of treating a high-temperature subterranean formation comprises introducing the treatment fluid into the portion of the subterranean formation..
Nucleic acid amplification method
A nucleic acid amplification method includes ligating a double-stranded adapter (20) containing adapter dna strands capable of forming a folded structure to a double-stranded dna (1, 2) containing a target dna sequence (1) to prepare a cyclic dna template composed of double-stranded dna containing a nick (5). A 3′-end elongation reaction is performed using a strand-displacement dna polymerase from the nick (5) as an origin, thereby producing a concatemer (29) in which a plurality of the target dna sequences (1) and the adapter dna strands capable of forming the folded structure are linked in series as a single-stranded dna.
Expanded radix for polymeric tags
A method having steps of (a) providing nucleic acids having a tag sequence (n1)n(n2)n . .
Laminated color forming composition
A substrate coated with a markable ink formulation, comprising a thermo activated acid generator (tag) and a halochromic leuco dye. The thermo activated acid generator is selected form the group consisting of: an amine salt of an organic metal compound comprising boron or silicone and amine neutralized polyalkylnaphthalene polysulphonic acid derivatives.
Semiconductive roller
A semiconductive roller having good semiconductivity as a charging roller or a developing roller is described. The semiconductive roller includes an oxide film having excellent characteristics as a protective film, and in particular, hardly causes an image defect of white stripes associated with tackiness in an image formed in a storage test in an environment of high temperature and high humidity.
Mdi based linings and membranes from prepolymers with very low free monomeric isocyanates
The invention relates to a holding means (1) for fastening a portable communication device to a vehicle component, in particular to a windscreen of a motor vehicle, the holding means (1) comprising a basic carrier (3) for carrying the portable communication device such that the portable communication device extends parallel to a front face (24) of the basic carrier (3). The basic carrier (3) comprises a pair of holding arms (11, 12) arranged on opposite sides of the front face (24) of the basic carrier (3) and extending perpendicular to the front face (24) and parallel to each other.
Composite fiber, method for producing polyurethane elastomer fabric, and polyurethane elastomer fabric
Provided is a composite fiber capable of forming a fabric giving a good wearing feeling to a human body. This composite fiber is composed of a polyurethane elastomer having a glass transition temperature of 15 to 50° c.
Thermoplastic (co)polyimides and synthesis methods
The invention relates to navel thermoplastic (co)polyimides and to the methods of synthesis thereof. The invention specifically relates to semi-aromatic thermoplastic (co)polyimides obtained by polymerisation of at least one aromatic compound comprising two anhydride functions and/or the derivatives thereof, especially carboxylic acid and/or ester, and at least one diamine of formula (i) nh2—r—nh2 wherein r is a saturated aliphatic hydrocarbonated divalent radical, the two amine functions thereof being separated by 4 to 6 carbon atoms, and 1 or 2 hydrogen atoms of the divalent radical being substituted by 1 or 2 methyl and/or ethyl groups.
Aqueous polyurethane dispersion for waterproof breathable coatings
Aqueous polyurethane dispersion for waterproof breathable coatings an aqueous polyurethane dispersion comprises a polyurethane polymer obtainable by the reaction of an isocyanate-functional polyurethane prepolymer a) with an isocyanate-reactive component b), wherein the isocyanate-functional prepolymer a) is obtainable by the reaction of a mixture comprising: a polyol component comprising a polyester polyol obtainable by the reaction of a mixture comprising an aliphatic dicarboxylic acid and at least one diol selected from the group consisting of linear aliphatic diols and a branched aliphatic diols; and a polyisocyanate component comprising ≧50 weight-%, based on the total weight of polyisocyanates, of dicyclohexylmethane diisocyanate. The isocyanate-reactive component b) comprises a compound comprising sulfonate groups which is employed in an amount of ≧3.5 weight-% to ≦10 weight-%, based on the total weight of the polyol component, the polyisocyanate component and the isocyanate-reactive component b).the invention also concerns the use of such an aqueous polyurethane dispersion for coatings, a method of manufacturing a coated substrate and to a coated substrate..
Ultraviolet-curable resin material for pattern transfer and magnetic recording medium manufacturing method using the same
According to one embodiment, an ultraviolet curing curable resin material for pattern transfer is provided. The resin contains isobornyl acrylate, an acrylate having a fluorene skeleton, a polyfunctional acrylate, and a polymerization initiator..
Polishing composition
A polishing composition of the present invention is to be used for polishing an object including a portion containing a group iii-v compound material. The polishing composition contains abrasive grains, an oxidizing agent, and a water-soluble polymer.
Adhesive sheet for semiconductor wafer processing, method for processing of semiconductor wafer using sheet
To provide an adhesive sheet for wafer processing that satisfies characteristics such as: (1) protecting an uneven circuit surface during grinding with an adhesive force that is not excessively weak; (2) being easy to remove after processing; and (3) leaving very little adhesive residue on the wafer, and that can preferably be used as a removable bg sheet or the like. This adhesive sheet for wafer processing is characterized in having a substrate and an adhesive layer formed on the substrate, the adhesive layer having an adhesive polymer (a) and a polyrotaxane (b) having a linear-chain molecule passing through the opening of the at least two cyclic molecules, and having a block group at both ends of the linear-chain molecule, the adhesive polymer (a) and the cyclic molecule of the polyrotaxane (b) being linked together to form a crosslinked structure..
Temporary adhesive material for wafer, film for temporary adhesion using same, wafer processing laminate, and method for producing thin wafer using same
A temporary adhesive material for a wafer includes a first temporary adhesive layer of a silicone-containing polymer layer containing a photo base generator and a second temporary adhesive layer of a silicone-containing polymer layer which is laminated on the first temporary adhesive layer, does not contain the photo base generator, and is different from the polymer layer. Thereby, there can be formed a temporary adhesive layer having high thickness uniformity, even on a wafer having a step.
Dna polymerases with increased 3'-mismatch discrimination
Disclosed are mutant dna polymerases having increased 3′-mismatch discrimination relative to a corresponding, unmodified polymerase. The mutant polymerases are useful in a variety of disclosed primer extension methods.
Temperature-sensitive fluorescent probe for introduction into cell
There is provided a method for introducing a temperature-sensitive probe comprising a copolymer, which comprises a thermoresponsive unit and a fluorescent unit, into a cell, and the method using the copolymer further comprising a cationic unit as the temperature-sensitive probe, and the method comprising the step of mixing the copolymer with the cell in a solvent. The copolymer can be preferably used as a fluorescence temperature sensor which measures intracellular temperature since the copolymer has a cationic group and thus enters into a cell without using a special method..
Modification of sample preparation to differentiate live and dead bacteria by polymerase chain reaction assay
The invention relates to a method of determining whether a live microbe, such as bacteria, is present in a test sample.. .
Method of determining the nucleotide sequence of oligonucleotides and dna molecules
The present invention relates to a novel method for analyzing nucleic acid sequences based on real-time detection of dna polymerase-catalyzed incorporation of each of the four nucleotide bases, supplied individually and serially in a microfluidic system, to a reaction cell containing a template system comprising a dna fragment of unknown sequence and an oligonucleotide primer. Incorporation of a nucleotide base into the template system can be detected by any of a variety of methods including but not limited to fluorescence and chemiluminescence detection.
Compositions and methods for refolding of denatured proteins
Compounds and methods for refolding of proteins in an aqueous solution. In particular, biocompatible multiblock copolymer surfactants such as poloxamers, meroxapols, poloxamines, or polyols are used to catalyze proper refolding without changing the protein composition, and restore the protein to its native conformation and native biological function.
Composition comprising a polymeric thermal acid generator and processes thereof
Where r1 to r5 are independently chosen from the group consisting of h and c1-c6 alkyl; r6 is chosen from the group consisting of unsubstituted aryl, substituted aryl, alkyl (c1-c8) and fluoroalkyl (c1-c8) and w is a c2-c6 alkylene spacer.. .
Radiation-sensitive resin composition, resist pattern-forming method, acid generator and compound
The present invention provides a radiation-sensitive resin composition that contains a polymer having a structural unit that includes an acid-labile group; and an acid generator, wherein the acid generator includes a compound including a sulfonate anion having so3−, wherein a hydrogen atom or an electron-donating group bonds to an α carbon atom with respect to so3−, and an electron-withdrawing group bonds to a β carbon atom with respect to so3−; and a radiation-degradable onium cation. The compound preferably has a group represented by the following formula (1-1) or (1-2).
Method of patterning a device
A fluorinated photopolymer is formed on a device substrate and exposed to patterned radiation. The photopolymer has a total fluorine content in a weight range of 15 to 60% and comprises at least three distinct repeating units, including a first repeating unit having a fluorine-containing group, a second repeating unit having an acid- or alcohol-forming precursor group, and a third repeating unit different from the first and second repeating units.
A toner prepared by a method comprising granulating while polymerizing a ring-opening polymerizable monomer with a catalyst under the presence of a surfactant and a colorant in a compressible fluid.. .
Electrostatic latent image developer
An electrostatic latent image developer of the present invention includes a resin, a colorant and a colorant dispersant, wherein the colorant dispersant contains a first polymer compound containing a constitutional unit derived from a monomer a, a constitutional unit derived from a monomer b and a constitutional unit derived from a monomer c, the monomer a is 4-vinylpyridine, the monomer b is ch2═cr1—coor2 (where r1 represents hydrogen or a methyl group; and r2 represents an alkyl group having 1 to 10 carbon atoms), and the monomer c is ch2═cr3—coor4 (where r3 represents hydrogen or a methyl group; r4 represents (ch2ch2o)nch3 or (ch2ch2o)nch2ch3; and n represents an integer of 12 to 18).. .
Alizarin-based polymer colorants
A polymer colorant including polymer monomer units, and at least one alizarin unit which is incorporated into the polymer and which provides color to the polymer colorant and a process for preparing the polymer colorant. An article or composition containing the polymer colorant.
Polymer-encapsulated metallic ink particles and metallic electrophotographic inks
A method for making polymer-encapsulated metallic ink particles is disclosed herein. An ethylene-based polymeric resin powder is formed, and is mixed with a metallic pigment powder to form a powder mixture.
Chemically amplified negative resist composition and patterning process
A polymer comprising 0.5-10 mol % of recurring units having acid generating capability and 50-99.5 mol % of recurring units providing for dissolution in alkaline developer is used to formulate a chemically amplified negative resist composition. When used in a lithography process, the composition ensures an effective sensitivity, makes more uniform the distribution and diffusion of the acid generating component in a resist film, and suppresses deactivation of acid at the substrate interface.
Micromold methods for fabricating perforated substrates and for preparing solid polymer electrolyte composite membranes
In polymer electrolyte membrane (pem) fuel cells and electrolyzes, attaining and maintaining high membrane conductivity and durability is crucial for performance and efficiency. The use of low equivalent weight (ew) perfluorinated ionomers is one of the few options available to improve membrane conductivity.
Flow field plate for improved coolant flow
Bipolar plate assemblies are disclosed in which the transition fuel channels are offset from the transition oxidant channels in the transition regions on the active sides of the plates. This configuration allows for a reduced pressure drop in the coolant flow in the transition regions on the inactive, coolant side of the plates and thereby improves coolant flow sharing.
Method of manufacturing porous separator comprising elastic material, porous separator manufactured by the method, and secondary battery comprising the separator
Disclosed is a method of manufacturing a porous separator including an elastic material, and a separator manufactured by the method. The separator includes an elastic material being uniformly dispersed in a polymer at a weight ratio of 40:60 to 5:95, and a value of elongation at break in a low tensile strength direction at room temperature is greater than or equal to 250%.
Structurally stable active material for battery electrodes
A process of producing active material for an electrode of an electrochemical cell includes providing lithium-intercalating carbon particles having an average particle size of 1 μm to 100 μm as component 1, providing silicon particles having an average particle size of 5 nm to 500 nm as component 2, providing a polymer or polymer precursor which can be pyrolyzed to form amorphous carbon and is selected from the group consisting of epoxy resin, polyurethane resin and polyester resin, as component 3, mixing components 1 to 3 in to a mixture and heat treating the mixture substatually in the absence of atmospheric oxygen at a temperature at which the pyrolyzable polymer or the pyrolyzable polymer precursor decomposes to form amorphous carbon.. .
Electrode for lithium ion secondary battery, lithium ion secondary battery, slurry composition, and method for producing electrode for lithium ion secondary battery
An electrode for a lithium ion secondary battery includes an electrode active material and a water-soluble polymer. The water-soluble polymer is a copolymer containing 1% by weight to 30% by weight of an aromatic vinyl monomer unit, 20% by weight to 60% by weight of an unsaturated carboxylic acid monomer unit, and 0.1% by weight to 5% by weight of a crosslinkable monomer unit..
Electrode-forming composition
The invention pertains to an aqueous electrode-forming composition comprising:—at least one fluoropolymer [polymer (f)];—particles of at least one powdery active electrode material [particles (p)], said particles (p) comprising a core of an active electrode compound [compound (e)] and an outer layer of a metallic compound [compound (m)] different from lithium, said outer layer at least partially surrounding said core; and—water, to a process for its manufacture, to a process for manufacturing an electrode structure using the same, to an electrode structure made from the same and to an electrochemical device comprising said electrode structure.. .
Actinic and electron beam radiation curable water based electrode binders and electrodes incorporating same
A process for manufacturing an electrode utilizing electron beam (eb) or actinic radiation to cure the electrode binder is provided. A process is also disclosed for mixing specific actinic or eb radiation curable polymer precursors with electrode solid particles to form an aqueous mixture, application of the mixture to an electrode current collector, followed by the application of actinic or eb radiation to the current collector for curing the polymer, thereby binding the electrode binder to the current collector.
Si-block copolymer core-shell nanoparticles to buffer volumetric change and anode active material for lithium secondary battery using the same
The si-block copolymer core-shell nanoparticles include: a si core; and a block copolymer shell including a block having relatively relatively high affinity for si and a block having relatively low affinity for si and forming a spherical micelle structure around the si core. Since the si-block copolymer core-shell nanoparticles exhibit excellent dispersibility and stability in a mixed solution including the same, the si-block copolymer core-shell nanoparticles are easily applied to an anode active material for lithium secondary battery by carbonization thereof.
Mirror film, method for producing the same, and mirror film for solar thermal power generators or solar photovoltaic power generators
A mirror film including a support, a plating undercoat polymer layer containing reduced metal particles, a reflective layer containing silver, and a resin protective layer, in this order. A surface roughness ra of a surface of the reflective layer containing silver at a resin protective layer side is 20 nm or less..
Aqueous polymer dispersion obtainable by free-radically initiated emulsion polymerization in the presence of lignosulfonate
Described is an aqueous polymer dispersion comprising a chain growth addition polymer obtainable via free-radically initiated emulsion polymerization from ethylenically unsaturated, free-radically polymerizable monomers, wherein the chain growth addition polymer is formed to an extent of not less than 60 wt % from primary monomers selected from vinylaromatic compounds, conjugated aliphatic dienes, vinyl esters of saturated c1- to c20-carboxylic acids, esters of acrylic acid or of methacrylic acid with monohydric c1- to c20-alcohols, aliphatic hydrocarbons having 2 to 8 carbon atoms and one or two double bonds, or mixtures thereof, wherein the monomers are polymerized in the presence of lignosulfonate and wherein the chain growth addition polymer is branched or crosslinked. Also described is a process for preparing the aqueous polymer dispersion.
Drier for auto-oxidisable coating compositions
A mixture for use as a drier for air-drying an auto-oxidizable resin composition, said mixture comprising : 1,4,7-trialkyl-1,4,7-triazacyclononane (l); and, a manganese salt having the general formula mn2+[x]n, wherein anion x is selected from pf6−, sbf6−, asf6−, bf4−, b(c6f5)4−, cl−, br−, i−, no3−, or r2coo− in which case n=2, or the anion x is so42− in which case n=1, and wherein r2 is c1-c20 alkyl optionally substituted with heteroatoms, c6-c20 aryl optionally substituted with heteroatoms, or a polymeric residue; wherein the 1,4,7-trialkyl-1,4,7-triazacyclononane (l) is present in the mixture in an amount such that the molar ratio of l:mn is at least 1.25:1 and more preferably at least 1.5:1.. .
Large-sized vinyl chloride seed, method of preparing the seed, vinyl chloride resin prepared using the seed, and method of preparing the vinyl chloride resin
The present invention relates to a large-sized vinyl chloride seed with an average particle size of 0.65 to 1.5 μm, a vinyl chloride resin with improved low-viscosity properties, and preparation methods thereof. The preparation of the large-sized vinyl chloride seed includes adding a vinyl chloride monomer, an emulsifier, and a polymerization initiator to an aqueous medium; homogenizing the mixed solution using a rotor-stator type homogenizer; and subjecting the resultant monomer droplets to a polymerization reaction..
Geopolymer resin materials, geopolymer materials, and materials produced thereby
A product formed from a first material including a geopolymer resin material, a geopolymer resin, or a combination thereof by contacting the first material with a fluid and removing at least some of the fluid to yield a product. The first material may be formed by heating and/or aging an initial geopolymer resin material to yield the first material before contacting the first material with the fluid.

To provide a fluorinated copolymer composition which is excellent in physical properties such as abrasion resistance, etc. And which is suitable for use as e.g.
Vegetable oil-based pressure-sensitive adhesives
(ii) a prepolymer or oligomer capped with a carboxylic acid group at both prepolymer or oligomer chain ends, or a branched prepolymer or oligomer with at least two of the prepolymer or oligomer branches and chain ends capped with a carboxylic acid group, wherein the carboxylic acid-capped prepolymer or oligomer is made from (a) a dibasic acid reacted with (b) a glycidyl or an epoxidized compound having at least two epoxy groups, a diol or polyol, a diamine, or a combination thereof.. .
Removable water-dispersible acrylic pressure-sensitive adhesive composition, and pressure-sensitive adhesive sheet
An object of the invention to provide a water-dispersible acrylic pressure-sensitive adhesive composition capable of forming a pressure-sensitive adhesive layer that can prevent static build-up on adherends when peeled off (antistatic properties) and is superior not only in removability and the ability to prevent an increase in peel strength (adhesive strength) over time but also in less-staining properties on adherends and, especially, the ability to prevent white staining on adherends in a high-humidity environment (the ability to prevent white staining). The invention is directed to a removable water-dispersible acrylic pressure-sensitive adhesive composition, including: an acrylic emulsion polymer including units derived from raw material monomers including (i) 70 to 99.5% by weight of an alkyl(meth)acrylate and (ii) 0.5 to 10% by weight of a carboxyl group-containing unsaturated monomer; a non-water-soluble crosslinking agent; and an ionic compound..
Graphene transparent conductive film
A graphene transparent conductive film, which includes a plurality of graphene sheets and a transparent conductive binder binding the graphene sheets to form the graphene transparent conductive film. The weight ratio of the graphene sheets to the transparent conductive binder is within a range of 0.01 to 1 wt %, and the volume percentage of the transparent conductive binder in the graphene transparent conductive film is within a range of 0.5 to 10%.
Peroxide treated metallocene-based polyolefins with improved melt strength
Disclosed herein are ethylene-based polymers having low densities and narrow molecular weight distributions, but high melt strengths for blown film processing. Such polymers can be produced by peroxide-treating a metallocene-catalyzed resin..
Slip agent for protecting glass
This disclosure features use of a paper or polymer film that includes a slip agent that can transfer to its surfaces. Once the paper or film is pressed against a glass sheet, this will leave a thin surface roughness of slip agent that can prevent or reduce glass surface scratches from other surfaces or particles during shipping or finishing (e.g., cutting to size, conveyance of glass), thereby improving the yield of glass shipments between glass forming plants and customers.
A laminated body includes: an antireflection film; and a protection film bonded onto the antireflection film. The adhesive layer is a layer with a material formed by cross-linking, with a cross-linking agent (b), and a (meth)acrylic acid ester copolymer.
4-methyl-1-pentene (co)polymer composition, and film and hollow molded product composed of the composition
To provide a 4-methyl-1-pentene/olefin (co)polymer composition which is excellent in transparency and heat resistance and is excellent also in elongation and toughness and to provide a molded product composed of the composition, a film composed of the composition, which is excellent in transparency, heat resistance and dimensional stability and has been uniformly stretched, and a hollow molded product composed of the composition, which is excellent in transparency, heat resistance and toughness and is excellent also in dimensional stability. The 4-methyl-1-pentene (co)polymer composition of the present invention comprises a specific 4-methyl-1-pentene (co)polymer (a) and a specific 4-methyl-1-pentene/α-olefin copolymer (b) in a specific ratio..
Thermoplastic polyurethane from low free monomer prepolymer
Thermoplastic polyurethane (tpu) made using low free isocyanate monomer (lf) prepolymer, for example a prepolymer based on p-phenylene diisocyanate (ppdi) with low free isocyanate content, possess unique performance features including exceptional tear strength, low compression set, and an exceptional overall balance of physical properties including high temperature mechanical strength.. .
Superamphiphobic surfaces by atmospheric plasma polymerization
The present invention relates to a method for producing a superamphiphobic coating on a substrate, said method comprising the steps of a) providing a substrate, b) generating a plasma in a treatment space, under atmospheric pressure, using a dielectric barrier discharge, by supplying a plasma gas (6) between at least a first and a second electrode (2 and 3) connected to alternating current (ac) power means (7), said electrodes (2 and 3) defining said treatment space (5), c) introducing into said plasma a coating forming material selected from the group consisting in fluoro-acrylate monomers, fluoro-alkyl acrylatemonomers,fluoro-methacrylate monomers, fluoro-alkyl methacrylatemonomers, fluroro-silane, monomers or a combination thereof, d) exposing at least a part of the surface of said substrate to said plasma comprising said coating forming material in multiple successive passes within said treatment space by moving said substrate, said at least first and/or second electrode (2, 3), or both, without stopping, from one pass to another, the generation of the plasma and said introduction of said coating forming material into said plasma.. .
Coating composition
The disclosed invention relates to a coating composition, comprising: water; a multivalent transition metal oxide, hydroxide and/or salt; and a polymer comprising repeating units derived from itaconic acid. The coating composition may be used to coat masonry substrates, and the like..
Photoaligning materials
The present invention relates to polymer, homo- or copolymer or oligomer, which, when irradiated with polarised light orients perpendicular to the polarization direction of polarized actinic light, for the photoalignment of liquid crystals, especially for the planar orientation of liquid crystals, and which derives from at least one monomer (i), compositions thereof, and its use for optical and electro optical devices, such as, liquid crystal devices (lcds), especially for planar orientation of liquid crystals.. .
Conductive pastes containing silver carboxylates
A paste composition includes a branched metal carboxylate, a solvent in which the branched metal carboxylate is soluble and a gelling agent, wherein the gelling agent is a linear metal carboxylate. The paste solvent may be an aromatic hydrocarbon solvent.
Layered structures and articles prepared therefrom
The invention provides a layered structure comprising at least two layers: a) a first layer a, formed from a composition a, comprising a polyurethane; and b) a second layer b, formed from a composition b, comprising at least one functionalized polymer b comprising the following: i) at least one polymerized monomeric unit comprising a functional group selected from the group consisting of the following: a) an acid group, b) an anhydride group, c) a primary or secondary amine group, and d) combinations thereof; or ii) at least one reacted functionalization agent comprising a functional group selected from the group consisting of the following: e) an acid group, f) an anhydride group, g) a primary or secondary amine group, and h) combinations thereof; or iii) combinations thereof; and wherein the functionalized polymer b has a number-average molecular weight greater than 1,000 g/mole, and/or a melt index (i2) less than, or equal to, 2500 g/10 min.. .
Compositions and methods for improving stability and extending shelf life of flavoring agents
The present invention provides for a stabilized oxygen-sensitive flavoring agent particle for admixing to a food product comprising a core composition granule containing at least one oxygen-sensitive flavoring agent and at least one water soluble absorbent; an inner coating layer whose aqueous solution of 0.1% has a surface tension lower than 60 mn/m measured at 25° c.; and an first outer coating layer comprising a polymer having an oxygen transmission rate of less than 1000 cc/m2/24 hr measured at 23° c. And 0% rh, and a water vapor transmission rate of less than 400 g/m2/day..
Molding apparatus with dynamic seal
The invention relates to a dynamic mold seal for use in a molding apparatus to mold a polymeric frame or gasket onto the periphery of a glass sheet. The molding apparatus may be used to form a vehicle window..
Methods for the production, modification and use of metallic nanonparticles
A method for producing triblock copolymer-coated metallic nanoparticle seeds which increases the size and shape homogeneity of the triblock copolymer-coated metallic nanoparticle seeds. A quantity of triblock copolymer-coated metallic nanoparticle seeds.
Functionalized nanoparticles for intracellular delivery of biologically active molecules
Functionalized biocompatible nanoparticles capable of penetrating through a mammalian cell membrane and delivering intracellularly a plurality of bioactive molecules for modulating a cellular function are disclosed herein the functionalized biocompatible nanoparticles comprise: a central nanoparticle ranging in size from about 5 to about 50 nm and having a polymer coating thereon, a plurality of functional groups covalently attached to the polymer coating, wherein the plurality of bioactive molecules are attached to the plurality of the functional groups, and wherein the plurality of bioactive molecules include at least a peptide and a protein, and wherein the peptide is capable of penetrating through the mammalian cell membrane and entering into the cell, and wherein the protein is capable of providing a new functionality within the cell. The protein may be a transcription factor selected from the group consisting of oct4, sox2, nanog, lin28, cmyc, and klf4..
Enzymatic synthesis of poly(amine-co-esters) and methods of use thereof for gene delivery
Poly(amine-co-ester) polymers, methods of forming active agent-load nanoparticles therefrom, and methods of using the nanoparticles for drug delivery are disclosed. The nanoparticles can be coated with an agent that reduces surface charge, an agent that increases cell-specific targeting, or a combination thereof.

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