|| List of recent Polymer-related patents
|Systems and methods for identifying thermodynamically relevant polymer conformations|
Systems, methods and non-transitory computer readable media identify favored polymer conformations. One or more residues are identified and may be replaced in the polymer, or the original primary sequence of the polymer may be retained.
|System and attaching soft tissue to an implant|
One embodiment of the present invention is directed to compositions and methods for enhancing attachment of soft tissues to a metal prosthetic device. In one embodiment a construct is provided comprising a metal implant having a porous metal region, wherein the porous region exhibits a nano-textured surface, and a biocompatible polymer matrix coating the nano-textured surface.
|Bone cements containing magnetic calcium phosphate nanoparticles|
A bone cement formulation comprising: (a) magnetic calcium phosphate nanoparticles present in an amount of 5.0-95 wt. % and having a largest linear dimension of 150 nm to 50 microns; (b) polymerizable acrylate monomer present in an amount of 5.0-95 wt.
Southwest Research Institute
|Shape memory bioresorbable polymer peripheral scaffolds|
Bioabsorbable scaffolds having high crush recoverability, high fracture resistance, and reduced or no recoil due to self expanding properties at physiological conditions are disclosed. The scaffolds are made from a random copolymer of plla and a rubbery polymer such as polycaprolactone..
Abbott Cardiovascular Systems Inc.
|Therapeutic electrospun fiber compositions|
The instant invention provides electrospun fiber compositions comprising one or more polymers and one or more biologically active agents. In specific embodiments, the biologically active agents are nerve growth factors.
The Johns Hopkins University
|Magnetic resonance safe cable for biopotential measurements|
A cable for use in biopotential measurements in a magnetic resonance (mr) environment comprises a flexible plastic or polymer sheet (32, 40) extending as a single unitary structure from a first end to an opposite second end, and an electrically conductive trace (38, 58) disposed on the flexible plastic or polymer sheet and running from the first end to the opposite second end. The electrically conductive trace has sheet resistance of one ohm/square or higher, and may have a hatching or checkerboard pattern.
Koninklijke Philips N.v.
|Magnetic resonance safe electrode for biopotential measurements|
An electrode patch (34) for use in biopotential measurements in a magnetic resonance (mr) environment includes: a plastic or polymer sheet (32); an electrically conductive trace (58) disposed on the plastic or polymer sheet, the electrically conductive trace having sheet resistance of one ohm/square or higher; and an electrode (30) disposed on the electrically conductive trace and configured for attachment to human skin. In some embodiments the electrically conductive trace is a carbon-based electrically conductive trace.
Koninklijke Philips N.v.
|Method for preparing vinyl chloride with acetylene and dichlorethane|
Provided is a method for preparing vinyl chloride with acetylene and dichlorethane for large-scale industrial production. Acetylene, dichlorethane vapor and hydrogen chloride gas at a molar ratio of 1:(0.3-1.0):(0-0.20) are mixed; the raw mixed gas is preheated; the preheated raw mixed gas passes through a reactor containing a catalyst and reacts; the resultant mixed gas is cooled to 30-50° c.
Zhongke Yigong (shanghai) Chemical Technology Co., Ltd.
|Process for removing a product from coal tar|
A process for removing at least one product from coal tar is described. The process involves extraction with an extraction agent or adsorption with an adsorbent.
|Triphenyl monomers suitable for microstructured optical films|
Optical films are described having a polymerized microstructured surface that comprises the reaction product of a polymerizable resin composition comprising at least one polymerizable ethylenically unsaturated triphenyl monomer. Also described are certain triphenyl (meth)acrylate monomers and polymerizable resin compositions..
3m Innovative Properties Company
Methods for preparing polymeric reagents
The present invention provides among other things methods for preparing polymeric reagents, wherein the method comprises (a) providing an aromatic moiety bearing a hydroxy group, a first amino group and a second amino group; (b) reacting a functional group reagent with the hydroxy group to result in a hydroxy group bearing a functional group capable of reacting with an amino group of an active agent and resulting in a hydolyzable carbamate; and (c) reacting a plurality of poly(alkylene glycol) water-soluble polymers bearing a reactive group with the first amino group and second amino group to result in (i) a first amino group bearing a water-soluble polymer through a spacer moiety, and (ii) a second amino group bearing a second water-soluble polymer through a spacer moiety.. .
Cyclodextrin-based polymers for therapeutics delivery
Methods and compositions relating to cdp-epothilone conjugates are described herein.. .
Cerulean Pharma Inc.
Polymer production apparatus and polymer production method
A polymer production apparatus, including: supplying unit containing first supplying unit to supply raw materials containing monomer, and second supplying unit to supply compressive fluid; contacting unit to bring the monomer and the compressive fluid into contact together; and outlet configured to discharge reaction product of the monomer, wherein reaction unit is provided between the contacting unit and the outlet, where the reaction unit is to pass the monomer from the contacting unit side to the outlet side, while allowing the monomer to carry out a polymerization reaction in the presence of the compressive fluid, and wherein the reaction unit contains circulation unit containing first pipe and second pipe, where a fluid is passed through the first pipe from the contacting unit side to the outlet side, and the second pipe is to return the fluid from return port provided upstream extrusion unit to inlet provided upstream the return port.. .
Production of polypropylene from renewable resources
Processes for forming propylene from methanol are disclosed. The processes involve converting methanol to a product mixture comprising ethylene and propylene, separating the ethylene from the propylene, dimerizing a first portion of the ethylene to form a product mixture comprising 1-butylene, isomerizing the 1-butylene to form a mixture of cis and trans 2-butylene, and performing olefin metathesis on a second portion of the ethylene and the mixture of cis and trans 2-butylene.
Curable fluorinated polymer, process for its production, and fluorinated polymer cured product
A curable fluorinated polymer having constituent units (a) based on fluoromonoenes (a) and constituent units (b) based on a non-cyclopolymerizable fluorodiene (b), in which the content of polymerizable double bonds is from 0.01 to 0.5 mmol/g, and of which the intrinsic viscosity is from 0.1 to 1 dl/g, and a fluorinated polymer cured product obtained by curing the curable fluorinated polymer in the presence of an organic peroxide.. .
Latent, high-activity olefin metathesis catalysts containing an n-heterocyclic carbene ligand
The invention provides novel organometallic complexes useful as olefin metathesis catalysts. The complexes have an n-heterocyclic carbene ligand and a chelating carbene ligand associated with a group 8 transition metal center.
California Institute Of Technology
Process for treating a dicyclopentadiene monomer
A monomer treatment process including treating at least one metathesis polymerizable monomer composition having a purity of less than 95 weight percent of a dicyclopentadiene monomer with an alkali metal-containing additive prior to polymerizing the metathesis polymerizable monomer composition such that the treated polymerized monomer exhibits improved properties in metathesis reactions.. .
Dow Global Technologies Llc
Pyridyldiamido transition metal complexes, production and use thereof
Pyridyldiamido transition metal complexes are disclosed for use in alkene polymerization.. .
Exxonmobil Chemical Patents Inc.
Method for synthesizing homopolymer n-vinyl butyrolactam with super-low molecular weight and super-low residual monomer
The present invention relates to a synthesis method of ultra low molecular weight homopolymerized n-vinyl butyrolactam with ultra low residual monomer content, which comprises: using n-vinyl butyrolactam monomers and water with the mass ratio of 3:17˜8:12, then based on the n-vinyl butyrolactam monomers, using 0.5%˜5.0% by weight of initiators, 0.1%˜5.0% by weight of a catalyst, and 0.1%˜10% by weight of a molecular weight regulator; in the presence of an inert gas, adding the above mentioned raw materials in batches, adjusting the ph of the reaction system to 7.0-8.0 with an activator, reacting at the polymerization temperature of 60-85° c.; finally adding a peroxide and keeping the temperature for 2 hours, to obtain an aqueous solution of ultra low molecular weight homopolymerized n-vinyl butyrolactam, drying the aqueous solution to obtain a powdery ultra low molecular weight homopolymerized n-vinyl butyrolactam with ultra low residual monomer content, whose k value is 12-17, whose molecular weight is 2000-15000, and whose residual monomer content is less than 10 ppm, so the present invention is designed skillfully and simple in preparation, the residual monomer content of the ultra low molecular weight homopolymerized n-vinyl butyrolactam with ultra low residual monomer content prepared is less than 10 ppm, and the k value is 12-17, therefore the present invention is suitable for large-scale popularization.. .
Shanghai Yuking Water Soluble Material Technology Co., Ltd.
Catalyst systems containing boron-bridged cyclopentadienyl-fluorenyl metallocene compounds with an alkenyl substituent
Disclosed herein are catalyst compositions containing boron-bridged, cyclopentadienyl-fluorenyl metallocene compounds with an alkenyl substituent. These catalyst compositions can be used for the polymerization of olefins.
Chevron Phillips Chemical Company Lp
Boron-bridged metallocene catalyst systems and polymers produced therefrom
Disclosed herein are catalyst compositions containing boron bridged, cyclopentadienyl-indenyl metallocene compounds with an alkenyl substituent. These catalyst compositions can be used for the polymerization of olefins.
Chevron Phillips Chemical Company Lp
Boron-bridged bis-indenyl metallocene catalyst systems and polymers produced therefrom
Disclosed herein are catalyst compositions containing boron bridged, bis-indenyl metallocene compounds with an alkenyl substituent. These catalyst compositions can be used for the polymerization of olefins.
Chevron Phillips Chemical Company Lp
Catalyst systems comprising pyridyldiamido transition metal complexes and chain transfer agent and use thereof
Pyridyldiamido transition metal complexes are disclosed for use in alkene polymerization with chain transfer agent.. .
Exxonmobil Chemical Patents Inc.
Catalyst components for the polymerization of olefins
(c) an external electron donor. .
Catalyst components for the polymerization of olefins
In which the r groups equal to or different from each other, are c1-c15 hydrocarbon groups, the r1-r2 groups, equal to or different from each other, are hydrogen, halogen or c1-c15 hydrocarbon groups, optionally containing an heteroatom selected from halogen, p, s, n and si, which can be fused together to form one or more cycles; n and m are integer from 0 to 3 with the proviso that at least one of them is different from 0 and that diisobutyl o-phenylenediacetate is excluded.. .
Dual catalyst systems for producing polymers with a broad molecular weight distribution and a uniform short chain branch distribution
Disclosed herein are ethylene-based polymers having a melt index less than 50 g/10 min, a ratio of mw/mn from 4 to 20, a density from 0.90 to 0.945 g/cm3, and a substantially constant short chain branch distribution. These polymers can be produced using a dual catalyst system containing a boron bridged metallocene compound with a cyclopentadienyl group and an indenyl group, and a single atom bridged metallocene compound with a fluorenyl group..
Chevron Phillips Chemical Company Lp
Bimodal polymerization process utilizing chromium/silica catalysts
(c) heating the reaction mixture under a second set of reaction conditions to effect a second polymerization comprising the polymerization of a second fraction of the monomer.. .
Solution process for the production of ep(d)m elastomers and polymerisation reactor for use in said process
The invention describes a process for the production of ep(d)m in solution in a stirred reactor (cstr) in which the reaction bath is kept in a boiling condition at a temperature of between 40 and 60° c. And at a pressure of between 0.6 and 1.3 mpa, and in which from 40% to 80% of the reaction heat is removed by boiling the reaction bath and the remaining reaction heat is removed by subcooling the fluids recycled to the reactor.
Process to produce polymers from pyridyldiamido transition metal complexes and use thereof
Processes to produce ethylene copolymers using pyridyldiamido transition metal complexes, a chain transfer agent, and an activator are disclosed.. .
Exxonmobil Chemical Patents Inc.
Olefin polymerizer, polyolefin production system, and process for producing polyolefin
An olefin polymerization reactor comprising a tubular portion that extends in a vertical direction; a tapered portion disposed inside the tubular portion, an inside diameter of the tapered portion decreasing downwardly, and including a vertically penetrating orifice at a bottom end thereof; a tubular lower deflector disposed above the orifice of the tapered portion, an outside diameter of the tubular lower deflector increasing downwardly, a bottom end thereof being located away from an inner wall of the tubular portion, and including a vertically penetrating orifice at a top end thereof; and an upper deflector disposed above the orifice of the lower deflector, an outside diameter of the upper deflector increasing downwardly, a top end thereof being closed, a bottom end thereof being located away from the inner wall of the tubular portion, and an outside diameter at the bottom end being equal to or greater than an inside diameter of the orifice of the lower deflector.. .
Sumitomo Chemical Company, Limited
Phenyl-containing functional polysiloxanes and polycarbonate-polysiloxane copolymers made therefrom
The invention is directed to phenyl-containing functional polysiloxanes and polycarbonate-polysiloxane copolymer compositions made therefrom having improved optical clarity and better low temperature impact resistance.. .
Momentive Performance Materials Japan Llc
Composition based on silane-terminated polymers that does not split off methanol during curing
The invention relates to a composition including a) at least one silane-functional polymer p having alkoxy end groups, which are not methoxy groups; b) at least one catalyst for the cross-linking of silane-functional polymers, selected from the group comprising an organotitanate, organozirconate and organoaluminate; c) at least one compound having at least one amidino group. Such compositions are suitable as adhesives, sealants and coatings and have the advantage that the compositions are substantially free from tin or organic tin compounds and do not split off methanol during curing..
Sika Technology Ag
Hydroxyaryl functionalized polymers
Vulcanizates with desirable properties can be obtained from compounds incorporating polymers that include hydroxyl group-containing aryl functionalities. The functionalities can be incorporated by using any or all of appropriate initiators, monomers and optional terminating compounds.
Fluoropolymer resin treatment employing oxidizing agent to reduce discoloration
Exposing the fluoropolymer resin in wet or dry form to oxidizing agent.. .
Charge conversional ternary polyplex
Disclosed is a polymer composite (polyplex) that contains nucleic acid, a cationic polymer, and an anionic polymer. The anionic polymer covers the surface of the composite comprising the cationic polymer and nucleic acid, has a negative charge at neutral ph, and can change so as to have a positive charge at mildly acidic ph..
The University Of Tokyo
Thermoplastic elastomers containing an oligopeptide hard component
The present invention is generally directed to a new class of tpes made from peptide terminated low tg polymers and methods for making them. The middle block of these tpe is a telechelic polymer with a tg that is below the intended service temperature of the tpe.
The University Of Akron
Latex formation process comprising aprotic solvent
A process includes dissolving a first polymer in an aprotic solvent, absent a protic organic solvent, to form a polymer solution, neutralizing acidic residues present in the first polymer by adding a neutralizing agent to the polymer solution, contacting the polymer solution with water to form a latex, removing the aprotic solvent from the latex, capturing the removed aprotic solvent as recycled solvent, and dissolving a second polymer with the recycled solvent.. .
Method for preparing vinyl chloride-based resin by using suspension polymerization
Disclosed is a method of preparing a vinyl based polymer and copolymer comprising a vinyl chloride based polymer and copolymer using suspension polymerization to prevent forming by elevating slowly reaction temperature such that pressure is maintained when pressure drops in the late stages of reaction. According to the method, the vinyl chloride based resin is prepared using suspension polymerizing vinyl chloride based monomers so as to reduce foaming and improve a protrusion, thermal stability and the like..
Lg Chem, Ltd.
Alloy comprising polyolefin and thermoplastic polyurethane
This invention relates to an alloy comprising polyurethane and polyolefin. It has now surprisingly been found that a specific composition of polyolefin and polyurethane has surprising mechanical properties and at the same time has transparent characteristics and/or appearance.
Outer covering rubber for polymer insulator
An object is to provide a technique for manufacturing an outer covering rubber having high-voltage electrical insulation characteristics and mechanical characteristics, which are required for a polymer insulator, by decreasing an amount of an additive conducive to improvement in high-voltage electrical insulation characteristics to less than conventional 3% by mass, without using special additional equipment such as ultrasonic agitation. Provided is an outer covering rubber for a polymer insulator, which is obtained by adding an additive conducive to improvement in high-voltage electrical insulation characteristics to a rubber composition, and the additive is a fine powder obtained by crushing a ceramic hydrate into a particle size of 100 nm or less, and the amount of the additive is 0.5 to 2.5% by mass in the entire raw materials of the outer covering rubber for a polymer insulator..
Kyushu Institute Of Technology
Polyester-based fiber for artificial hair and hair ornament product including the same
A polyester-based fiber for artificial hair of the present invention is a polyester-based fiber for artificial hair formed of a polyester resin composition. The polyester resin composition contains 5 to 40 parts by weight of a brominated epoxy flame retardant and 0.05 to 5 parts by weight of an acidic compound with respect to 100 parts by weight of a polyester resin.
Phosphorus containing flame retardants
Certain phosphonic acid salts heated at temperatures over 200° c. Generate thermally stable, highly efficient flame retardant materials well suited for use as flame retardant additives in polymers.
Thermoplastic starch composition derives from agricultural waste
A thermoplastic starch composition acquired from compounding a mixture comprises starch-containing agricultural waste in 45 to 70% by weight of total composition that the agricultural waste contains starch content less than 50% in dry weight; thermoplastic synthetic polymer in 25 to 50% by weight of total composition; plasticizer in 0.01 to 10% by weight of total composition; and coupling agent in 1 to 5% by weight of total composition; wherein the compounding is performed at a first temperature which is higher than room temperature.. .
Texchem Polymers Sdn Bhd
Low formaldehyde vinyl ester/ethylene emulsion copolymers
A vinyl ester/ethylene copolymer is prepared by emulsion copolymerization of a monomer mixture comprising at least one vinyl ester, ethylene, a stabilizing system comprising polyvinyl alcohol and a free radical redox polymerization initiator system comprising i-butyl hydroperoxide as an oxidizing agent and at least one of a sulfuric acid-based compound and erythorbic acid or a salt thereof as a reducing agent. The monomer mixture comprises from 70 wt % to 95 wt % of said at least one vinyl ester and from 5 wt % to 30 wt % of ethylene based on the total weight of monomers in said mixture and the copolymer has a formaldehyde content of less than 5.0 ppmw as determined by iso-15173..
Celanese Emulsions Gmbh
High solids and low viscous aqueous slurries of calcium carbonate-comprising materials with improved rheological stability under increased temperature
The present invention concerns aqueous slurries with improved rheo logical stability under increased temperature. The slurries comprise a calcium carbonate containing material and at least one comb polymer..
Omya International Ag
Antibiotic particles and production method thereof
In antibiotic particles, an antibiotic compound is dispersed in a polymer containing an epoxy group.. .
Japan Envirochemicals, Ltd.
Freeze-thaw stable paint formulation
The present invention relates to a pre-paint composite comprising an aqueous slurry of tio2 particles and attached and unattached polymeric binder, and a sufficient amount of a secondary alcohol ethoxylate of the formula c10-15h22-32o(ch2ch2o)xh to give 35 to 90 weight percent attachment of polymeric binder to the tio2 particles, based on the weight of total polymeric binder in the pre-paint composite, where x is from 15 to 50; and the o(ch2ch2o)xh group is bonded to a ch group on the c10-15h22-32 chain. The present invention also relates to a coatings composition containing the composite as well as a process for preparing the pre-paint composite and the coatings composition..
Rohm And Haas Company
Bearing material and producing the same
An object of the present invention is to provide a method of producing a bearing material having excellent wear-resistance and oxidation resistance. The method of producing a bearing material 10 according to the present invention comprises molding a substrate 12 containing a radical scavenger and a polymer material; washing at least a part 16 of the substrate 12 with a washing liquid; and grafting a polymer chain having a phosphorylcholine group from at least the part 16 of the surface after washing so as to form a polymer film 30 on at least the part of the surface..
Kyocera Medical Corporation
Porous cross-linked polyimide networks
Porous cross-linked polyimide networks are provided. The networks comprise an anhydride end-capped polyamic acid oligomer.
Ohio Aerospace Institute
Process for the production of high air flow polyether foams and the foams produced by this process
This invention relates to novel polyol blends, a process for the production of foam with very low resistance to air flow from certain polyol blends and to the resultant foams produced from certain polyol blends. The polyol blends comprise one or more monofunctional polyethers having a hydroxyl number of less than 28; one or more polyether polyols having a hydroxyl number of 20 to 240 and containing at least 50% of copolymerized oxyethylene; one or more polyether polyols having a hydroxyl number of 47 to 300 and containing from 5 to 40% of copolymerized oxyethylene; and optionally, one or more polyether polyols having a hydroxyl number of 10 to 45.
Bayer Materialscience Llc
Composition to preserve insulations and sealants and method
The present invention is generally directed toward the preservation of insulations and sealants and more particularly to the protection of insulation and sealant products against insect attack through the use of inorganic borates. The present invention includes a polymer-based formulation derived from the reaction of an isocyanate component and a resin component.
Spongy composition for shoe sole
Disclosed is a sponge composition for a shoe sole. The sponge composition includes an ethylene copolymer as a matrix, a crosslinking agent, a foaming agent, and a polyvinyl acetate as an adhesion improver.
Fine Chemical Co., Ltd.
Method and modifying polymer compositions
A system for applying a melted polymer/hot melt adhesive includes structure for adding one or more components to the polymer/hot melt stream at selected locations of the stream depending on the desired final characteristics of the polymer/hot melt adhesive, the heat histories of the polymer/hot melt adhesive and the modifying component, and the physical or chemical characteristics of the modifying component. The modifying component can be supplied in a fluid carrier..
Adhesive Technologies, Inc.
Synthesis of sequestration resins for water treatment in light water reactors
A sequestration resin for nuclear reactor coolant cleanup and for aqueous liquid radioactive waste cleanup that can irreversibly remove cobalt ion during reactor operation or during radioactive waste processing so as to deplete the coolant or liquid of a significant fraction of dose-causing radiocobalt is disclosed. The sequestration resin is configured to remove cobalt derived radioactivity in aqueous solutions and includes a sulfonic acid based polymer resin covalently coupled to an amine based ligand by a sulfonamide linkage.
Electric Power Research Institute, Inc.
Silica aerogel composite
A method of preparing a silica aerogel composite is provided. The method includes providing an aqueous solution comprising a water soluble polymeric binder and a surfactant, adding a silyl-modified silica aerogel to the aqueous solution to form a mixture, and freeze-drying the mixture under reduced pressure at a temperature sufficient to sublime water in the mixture to obtain the silica aerogel composite.
Nanyang Technological University
Embodiments described herein provide a dialysate comprising a polyglycerol. The polyglycerol may be of a molecular weight between about 0.15 kda and about 60 kda.
The University Of British Columbia
Trigger-responsive chain-shattering polymers
Disclosed are polymers containing a backbone comprising alternating n-protected hydroxymethylaniline units (“spacer”) and linker units.. .
The Board Of Trustees Of The University Of Illinois
Parp inhibitor compounds, compositions and methods of use
The present invention relates to tetraaza phenalen-3-one compounds which inhibit poly (adp-ribose) polymerase (parp) and are useful in the chemosensitization of cancer therapeutics. The induction of peripheral neuropathy is a common side-effect of many of the conventional and newer chemotherapies.
A synergistic composition comprising a thp salt and a biopenetrant, in which the biopenetrant comprises a polymer of an unsaturated carboxylic acid or a copolymer of an unsaturated carboxylic acid with a sulphonic acid, said polymer or copolymer being terminated by a mono- or diphosphonated unsaturated carboxylic acid group or having such monomers incorporated into the polymer backbone. This composition acts synergistically to enhance the biocidal efficacy of the thp salt against both planktonic (free-swimming) and sessile (attached) bacteria, and also acts synergistically to enhance the efficacy of the thp salt in the dissolution of iron sulphide scale..
Rhodia Uk Limited
Controlled release formulations for the delivery of hif-1 inhibitors
Controlled release dosage formulations for the delivery of one or more hif-1 inhibitors are provided. The controlled release formulations contain one or more hif-1 inhibitors conjugated to or dispersed in a polymeric vehicle.
The Johns Hopkins University
Solid pharmaceutical compositions
The present invention features solid pharmaceutical compositions comprising compound 1 (or a pharmaceutically acceptable salt thereof), compound 2 (or a pharmaceutically acceptable salt thereof), and ritonavir (a pharmaceutically acceptable salt thereof), which are co-formulated in amorphous solid dispersion comprising a pharmaceutically acceptable hydrophilic polymer and a pharmaceutically acceptable surfactant.. .
Abbvie Deutschland Gmbh & Co. Kg
Dendrimer based nanodevices for therapeutic and imaging purposes
A nanodevice composition including n-acetyl cysteine linked to a dendrimer, such as a pamam dendrimer or a multiarm peg polymer, is provided. Also provided is a nanodevice for targeted delivery of a compound to a location in need of treatment.
The United States Of America As Represented By The Secretary, Department Of He
Sustained release sirna for ocular drug delivery
The present invention provides an ocular implant comprising sirna complexed with a transfection agent selected from the group consisting of cationic lipids and short cell penetration peptides, wherein said complex is associated with a biocompatible polymer. Said biocompatible polymer comprises a polymeric matrix configured to release said complex into the eye of a patient at therapeutic levels for a time sufficient to treat an ocular condition or disease..
Polymeric compositions for sustained release of volatile materials
A polymeric composition comprising a copolymer of ethylene with at least another monomer comprising at least a heteroatom, a tackifier, less than 10% of a compatible plasticizer or blend of plasticizers and a volatile material. The compositions are able to deliver effectively the volatile material incorporated for a long time and also have good adhesion properties on most substrates..
The Procter & Gamble Company
Variant alpha amylases with enhanced activity on starch polymers
Described are variants of alpha-amylase enzymes for use in industrial processes, such as liquefaction of starch. The alpha-amylase variants have increased specific activity allowing the more rapidly reduction of peak viscosity during liquefaction processes.
Danisco Us Inc.
Method to recover or increase water absorbency of polyester textile
The present invention concerns then a method to recover or increase the water absorbency of a polyester textile, wherein a composition comprising at least a polyester soil release polymer and a quaternary ammonium softener is used to wash and/or rinse said polyester textile. This composition of the invention may be perfectly used during the water cycle(s) of the laundry or in the rinse cycle(s), notably used in the final rinse.
Thiophene azo dyes and laundry care compositions containing the same
This application relates to thiophene azo dyes for use as hueing agents, laundry care compositions comprising such thiophene azo dyes, processes for making such thiophene azo dyes, and laundry care compositions and methods of using the same. The thiophene azo dyes contain a formally charged moiety and are generally comprised of at least two components: at least one chromophore component and at least one polymeric component.
The Procter & Gamble Company
Energy efficient polyalkylene glycols and lubricant composition containing same
A polyalkylene glycol comprising: a random copolymer comprising units derived from eo and units derived from po initiated with polytetrahydrofuran; wherein the polyalkylene glycol has a pour point of less than or equal to −30° c. As measured using astm d97 and a traction value of less than 0.0165 at a contact pressure of 1.25 gpa, speed=2 m/s, srr of 100% and temperature of 80° c.
Dow Global Technologies Llc
Binary and ternary surfactant blends for enhanced oil recovery in reservoir brines with extremely high total dissolved solids
A binary or ternary surfactant mixture for use in enhanced oil recovery within a reservoir having total dissolved solids greater than approximately 80,000 parts per million (i.e., heavy to extreme brine conditions) includes at least two of a propoxylated/ethoxylated alcohol sulfate, an ethoxylated alcohol sulfate, and a monoalkyl or dialkyl diphenyloxide disulfonate. The surfactant mixture is used without alcohol, which is unnecessary to maintain solution stability and good coalescence rates and thus improves compatibility with polymers added to improve the mobility ratio.
The Board Of Regents Of The University Of Oklahoma
Peracetic acid oil-field biocide and method
Aqueous well treatment fluid compositions with biocidal activity are disclosed comprising a polymer for modifying fluid viscosity in the aqueous fluid, an organic monocarboxylic peracid being present in an anti-microbial amount of about 1 ppm to about 1000 ppm, and a controlled amount of hydrogen peroxide also being present. Peracetic acid is the preferred peracid.
Highly ordered arrays of micelles or nanoparticles on a substrate surface and methods for producing the same
The invention provides a method for increasing the order of an array of polymeric micelles or of nanoparticles on a substrate surface comprising a) providing an ordered array of micelles or nanoparticles coated with a polymer shell on a substrate surface and b) annealing the array of micelles or nanoparticles by ultrasonication in a liquid medium which is selected from the group comprising h2o, a polar organic solvent and a mixture of h2o and a polar organic solvent. In a related aspect, the invention provides the highly ordered arrays of micelles or nanoparticles obtainable by the methods of the invention..
Single molecule loading methods and compositions
Methods, compositions and arrays for non-random loading of single analyte molecules into array structures are provided. For example, methods are presented for providing a surface comprising the plurality of array regions by exposing the surface to a solution comprising polymerase enzymes where each polymerase enzyme is bound to a binding structure having several functional moieties.
Pacific Biosciences Of California, Inc.
The present disclosure describes a formulation comprising a nanoparticle including a polymer-associated herbicide, such as fenoxaprop or pyroxsulam with an average diameter of between about 1 nm and about 500 nm; wherein the polymer is a polyelectrolyte and a dispersant or a wetting agent. The disclosure describes various formulations and formulating agents that can be included in the formulations..
Vive Corp Protection Inc.
Separating agent for optical isomer
Provided is a novel separating agent for optical isomers based on a helical polymer having optically active sites. The separating agent for optical isomers has a helical polymer having a structure represented by formula (i), and a carrier that supports the helical polymer, wherein the helical polymer is supported by the carrier.
Daicel Corporation A Corporation
Dual core golf ball having negative-hardness-gradient thermoplastic inner core and steep positive-hardness-gradient thermoset outer core layer
A golf ball comprising an inner core layer including a thermoplastic material and having a geometric center hardness less than the surface hardness to define a positive hardness gradient. An outer core layer is formed over the inner core.
Golf club heads including a polymeric body in which a part of a frame or base member is embedded
Wood-type golf clubs and/or golf club heads include: (a) a golf club head base member including a face member having a ball striking face; and (b) a polymeric body member engaged with the golf club head base member, wherein the polymeric body member is formed via a rotational molding process (or other centrifugal force inducing molding process) and/or engaged with the golf club head base member via a rotational molding process (or other centrifugal force inducing molding process). The polymeric body member forms at least a portion of a crown member of the club head in some structures..