|| List of recent Polymer-related patents
A process of forming a tissue scaffold is described, the process comprising electrospinning polymer fibers from a spinneret onto a tissue scaffold template. In embodiments, the fibers are plasma-treated between the spinneret and the template.
|Cup with cross-linked polymer layer|
This invention relates to a method of forming a polymer component and comprises blending polymer particles with antioxidant to form a mixture in which the antioxidant coats the polymer particles, irradiating the polymer particles to cross-link the polymer particles therein and forming the irradiated mixture into a consolidated component. The invention also relates to a method of forming an articular surface for a prosthesis and a prosthesis having a polymer articular bearing surface wherein at least one pre-determined portion of the bearing surface is provided with cross-linked polymer bonds..
|Porous biocompatible polymer material and methods|
Embodiments described include devices and methods for forming a porous polymer material. Devices disclosed and formed using the methods described a spacer for spinal fusion, craniomaxillofacial (cmf) structures, and other structures for tissue implants..
|Bone stabilization device and method|
There is disclosed a device and method for stabilizing a bone. The device includes a polymer with a glass transition temperature.
|Double helix reinforced catheter|
The intravascular catheter has a polymeric inner tube, a reinforcing inner jacket which is spirally wound over the inner tube and which becomes progressively softer from a proximal end to a distal end, and a polymeric outer sheath extruded over the inner jacket. The reinforcing jacket includes helical coiled wires wound over the inner tube in order to provide improved multi-axial mechanical properties..
|Aqueous-triggered color-appearing inks|
The invention describes a color-developing composition that contains at least four major components: (1) a leuco dye or a combination of leuco dyes, (2) an electron-withdrawing color-developer agent or a combination of color-developers that can form colored complexes with the leuco dyes, (3) a separator or combination of separators that when present in sufficient amounts, can prevent the formation of the colored complexes between the color-developer and leuco dyes, all contained within (4) an encapsulation matrix that includes at least one film-forming and one aqueous-insoluble polymer. All of the foregoing components are dissolved together in a volatile organic solvent medium to form a homogeneous solution that can be applied as an ink on substrates, which can be incorporated as part of absorbent articles or personal care products..
|Multilayer film including foam layer and ostomy products made therefrom|
An ostomy appliance includes a multilayer composite film comprising at least one foam layer. An outer foam layer can function as a skin contact layer providing comfort and softness characteristics that are comparable to a nonwoven comfort layer.
|Neonatal fluid tubing heater|
A heating system for heating neonate nutritional liquid, including a heater and a control module. The heater includes a heating portion having serpentine shaped grooves for receiving a tube.
|Thermoplastic sheet, a radiation mask of thermoplastic sheet and method for providing said sheet and said mask|
The present invention relates to a thermoplastic composition suitable for manufacturing a thermoplastic sheet for producing a medical cast, such as a radiation mask. The composition has a polymeric component comprising a mixture of a styrene acrylonitrile copolymer and polycaprolactone, optionally together with a cross-linker and/or a filler, wherein the polymeric component comprises, 20 to 40 weight % of a styrene acrylonitrile copolymer and 80 to 60 weight % of a polycaprolactone, expressed in weight % of the polymeric component, wherein the thermoplastic composition has a glass transition temperature of 35° c.-80° c.
|Method for preventing pressure build up in a catalyst separation system|
A method for preventing pressure build-up across a catalyst separation in a polyether polyol reactor comprising the steps of feeding reactants that comprise a monomer or co-monomers to be polymerized to form the polyether polyol into a continuous feed reactor, flowing the product stream through a catalyst separation system within the reactor, wherein the catalyst separation system is comprised of a plurality of filters, wherein each filter comprises an outer surface and an inner surface defined by a plurality of spaced-apart elements, and wherein the distance between the spaced-apart elements is smaller than the minor dimension of the suspended catalyst and recovering the filtered polyether polyol product and catalyst fines from the reactor outlet.. .
|Method for purifying sulfonated aromatic monomer|
The present invention relates to an improved method for purifying a sulfonated aromatic monomer. The method is an economical method capable of providing a highly pure sulfonated aromatic monomer, in which a salt precipitation step and a recrystallization step are simplified while maintaining the reaction conditions used in a conventional method for synthesizing the sulfonated aromatic monomer, and a purification process is carried out using an easily available and stable chemical substance.
|Multifunctional sulfur-containing polymers, compositions thereof and methods of use|
Disclosed are multifunctional sulfur-containing polymers that are the reaction products of a sulfur-containing diol, a polyol containing at least three hydroxyl groups per polyol molecule, and an aldehyde, a ketone, or a combination thereof. Sealant compositions comprising the multifunctional sulfur-containing polymers are also disclosed..
|Nanoparticle chains and preparation thereof|
Fabrication and arrangement of nanoparticles into one-dimensional linear chains is achieved by successive chemical reactions, each reaction adding one or more nanoparticles by building onto exposed, unprotected linker functionalities. Optionally, protecting groups may be used to control and organize growth.
|Methods and compositions for detecting cancers associated with methylation of hmlh1 promoter dna|
Methods are provided for detection of cancers associated with methylation of hmlh1 promoter dna in a subject. The method comprise assaying for the presence of methylated hmlh1 promoter dna in a bodily fluid from a subject.
|Polylactide resin having excellent heat resistance and preparation method thereof|
The polylactide resin is characterized by high polymerization activity owing to an organic coordinated metal catalyst even though it has a low catalyst content, and a molecular weight reduction due to thermal decomposition at high temperature and a rate of thermal decomposition including depolymerization are greatly suppressed by a low catalyst content and a low resin acidity, and thus provided is the polylactide resin having superior heat resistance.. .
|Continuous process for the production of melt polycarbonate|
A method for producing polycarbonate by melt polymerization can comprise: (a) adding acetone, diaryl carbonate, and dihydroxy compound to the melt polymerization unit, wherein the acetone is added to the melt polymerization unit as a mixture with the diaryl carbonate and/or the dihydroxy compound; (b) adding a catalyst to the melt polymerization unit, optionally without separating out acetone prior to the addition of the catalyst; and (c) operating the melt polymerization unit under conditions so that the diaryl carbonate(s) and dihydroxy compound(s); dihydroxy compound reacts with the diaryl carbonate to produce polycarbonate with a desired specification, and a phenol by-product.. .
The present invention relates to a new synthesis procedure for a family of silica based polymer materials synthesized through the interconnection of silicate oligomers with reactive silanes. By using this synthesis it is possible to generate novel silica based polymer materials.
|Isoselective polymerization of epoxides|
The present invention provides novel bimetallic complexes and methods of using the same in the isoselective polymerization of epoxides. The invention also provides methods of kinetic resolution of epoxides.
|Method for preparing supported metallocene catalyst and method for preparing polyolefin using the same|
The present invention relates to a method for preparing a supported metallocene catalyst, and a method for preparing polyolefin using the same, in which the supported metallocene catalyst prepared from the simple process according to the method for preparing the supported metallocene catalyst of the present invention can apply to the polymerization of the polyolefin that is polymerized at low pressure or high pressure; the molecular weight distribution of polyolefin prepared can be easily controlled; and there are effects such that its catalyst activity is significantly higher than that of the existed supported metallocene catalyst, and the molecular weight distribution can be easily controlled.. .
|Method for producing solid catalyst component for olefin polymerization, catalyst for olefin polymerization, and method for producing olefin polymer|
A polymer that exhibits high activity with respect to hydrogen, high stereoregularity, and high bulk density can be obtained using a catalyst including a solid catalyst component obtained by the method.. .
|High-fluidity polycarbonate copolymer, process for production highly polymerized aromatic polycarbonate resin and aromatic polycarbonate compound (as amended)|
Having the content of the structural unit derived from the aliphatic diol compound of 1-30 mol %, having the q-value (280° c., 160 kg load) in the range from 0.02 to 1.0 ml/s, and having the weight average molecular weight (mw) of 30,000 to 100,000, and an aromatic polycarbonate compound which is formed of a structural unit derived from an aromatic dihydroxy compound which is suitable for a prepolymer for producing a high fluidity polycarbonate copolymer. .
|Rubber compound microwave curing method|
A method of curing a compound having a cross-linkable, unsaturated-chain polymer base and a curing system; the method employing microwaves as a form of energy to promote curing reactions; and the curing system including compounds of general formula (i) ([r1r2r3nr5 (nr4r6r7)n](n+1)+) y(n+1)xy− (i) where: x is an atom or anionic group; r1, r2, r3, which are the same or different, are each cmh2m+1, where m is 1 to 3, or ch2chch2 or chchch3, r4, r6, r7, which are the same or different, are each ch2chch2 or chchch3; n is 0 or 1; y is 1 when n is 1; y is 1 or 2 when n is 0; r5 is an aliphatic group c15-c22 when n is 0; is an aliphatic group c8-c16 when n is 1; when n is 0, at least one of r1, r2, r3, r5 has a double bond.. .
|Method for reducing the halogen content of a polymer|
The invention relates to a method for reducing the halogen content of a polymer, characterized in that the polymer is reacted with a polymerization inhibitor; and especially to a method wherein said polymer is a polymerization product of an atrp process.. .
|Preparation of conjugated aromatic/heteroaromatic oligomer-containing dielectric polymers and their applications|
A π-conjugated aromatic/heteroaromatic oligomer-containing vinyl monomer is generally provided, which can include a polymerizable group, a linker group, and a π-conjugated aromatic/heteroaromatic side chain. The π-conjugated aromatic/heteroaromatic side chain includes a first cyclopentadiene ring covalently attached to the linder group, a set of second cyclopentadiene rings covalently attached to the first cyclopentadiene ring, and a third cyclopentadiene ring positioned at a terminal end of the π-conjugated aromatic/heteroaromatic side chain such that the set of second cyclopentadiene rings is positioned between the first cyclopentadiene ring and the third cyclopentadiene ring.
|Styrene-based resin blend comprising particles having a tri-layer structure and the preparation method thereof|
The present invention relates to a styrene resin blend having three-layer-structured particles, a method for preparing same, and an application thereof. In parts by weight, 100 parts of a vinyl aromatic compound, 0.1 to 10 parts of an initiator, 2 to 10 parts of an emulsifier, 100 to 300 parts of deionized water, and 0.1 to 10 parts of a cross-linking agent are polymerized at a temperature between 50° c.
A heterophasic polypropylene resin comprising a polypropylene homopolymer matrix phase (a) and an ethylene-propylene copolymer phase (b) dispersed within the matrix, wherein the xylene soluble fraction of the heterophasic polypropylene resin is in the range 20 to less than 50 wt %; the heterophasic polypropylene resin has an mfr2 of 0.01 to 50 g/10 min; the ethylene content of the xylene soluble fraction of the heterophasic polypropylene resin is in the range of at least 20 wt % to less than 50 wt %; the heterophasic polypropylene resin has a notched charpy impact strength at −20 c of at least 25 kj/m2, preferably at least 50 kj/m2; and wherein the mfr2 (matrix)/mfr2(xs)≧5, preferably ≧10.. .
|Process of preparing a siloxane copolymer|
A process for preparing a cyclic siloxane copolymer, a water repellent composition and the use for treating porous substrates like concrete, especially reinforced concrete.. .
|Conjugated diene polymer rubber, and conjugated diene polymer rubber composition|
Wherein m denotes a number from 1 to 3, n denotes a number from 1 to 3, m+n is from 2 to 4, r21 and r23 denote a hydrocarbyl group, r22 denotes a hydrocarbylene group, a denotes a substituted amino group or an optionally substituted hydrocarbyloxy group, when there are a plurality of r21s the plurality of r21s may be identical to or different from each other, when there are a plurality of r22s the plurality of r22s may be identical to or different from each other, when there are a plurality of r23s the plurality of r23s may be identical to or different from each other, and when there are a plurality of as the plurality of as may be identical to or different from each other.. .
|Composite material comprising uhmwpe and iron ore tailing and use of iron ore tailing in preparation of composite material|
The present invention relates to a composite material that comprises a polymeric constituent and iron ore powder. The polymeric constituent of the present invention is preferably uhmwpe.
|Polyolefin-based resin composition|
Disclosed are a polyolefin-based resin composition having excellent scratch resistance and low glossiness, a preparation method thereof, and automobile interior and exterior materials fabricated therefrom. The polyolefin-based resin composition comprises about 56 to 97% by weight of a polypropylene block copolymer resin, about 1 to 9% by weight of a thermoplastic elastomer rubber, about 1 to 30% by weight of an inorganic filler, and about 1 to 5% by weight of a fluoroacrylamide-based copolymer based on a total weight of the composition..
|Agent for imparting impact resistance to polylactic acid resin|
An impact resistance enhancing agent for a polylactic acid-based resin, containing a polyglycerol fatty acid ester made from a fatty acid containing at least one member selected from the group consisting of caprylic acid, capric acid, lauric acid, myristic acid, palmitic acid, stearic acid, and oleic acid, in an amount of 80% by mass or more of the constituting fatty acids, and a polyglycerol having an average degree of polymerization of from 2 to 40. The polylactic acid-based resin composition containing an impact resistance enhancing agent for a polylactic acid-based resin of the present invention has excellent impact resistance properties, so that the resin composition can be suitably used in, for example, agricultural materials, food wrapping materials, and other wrapping materials, and the like..
|Thermoplastic resin composition for reduction of squeaking noises and structure of reduced squeaking noises|
Provided is a thermoplastic resin composition [x] for reduction of squeaking noises containing a rubber-reinforced vinyl resin [a] obtained by polymerizing a vinyl monomer [b1] in the presence of an ethylene -α- olefin rubber polymer [a1] having tm (melting point) of 0° c. Or higher, wherein an amount of silicon contained in the thermoplastic resin composition [x] is 0.15% by mass or less based on 100% by mass of the thermoplastic resin composition [x].
|Thermoplastic compositions containing nanoscale-sized particle additives for laser direct structuring and methods for the manufacture and use thereof|
This invention relates generally to a thermoplastic compositions and, more particularly, to compositions comprising a polymer matrix and comprising a filler composition. To that end, according to the aspects of the invention, a thermoplastic composition is disclosed that generally comprises a polymer matrix and at least one filler composition.
|Derivatives of native lignin from softwood feedstocks|
The present invention relates to softwood lignin derivatives having an aliphatic hydroxyl content of from about 2.5 mmol/g to about 7 mmol/g lignin, and the preparation method thereof. The lignin derivatives have a desired antioxidant activity characterized by radical scavenging index (rsi).
|Composition for film formation, laminate, film, sheet base material, method for producing composition for film formation, and method for preparing a cellulose dispersion|
[problem] to provide a composition for film formation comprising cellulose fibers, a layered inorganic compound, and a water-soluble polymer, which are each dispersed on nano level, a method for preparing a cellulose dispersion capable of forming a moisture-resistant film containing cellulose nanofibers, a gas-barrier laminate obtained by use of the dispersion, and a packaging material using the laminate. [solution] a film-forming composition comprising at least cellulose fibers and a swollen inorganic compound is prepared.
|Dental restorative material|
The present invention discloses a dental restorative material comprising 10-50 mass % of (a) a polymerizable monomer, 5-80 mass % of (b) an organic-inorganic composite filler which is prepared by dispersing an inorganic fine filler having an average particle diameter of 1 μm or smaller in an organic matrix and has an average particle diameter of 5.0-50 μm, and 10-60 mass % of (c) a third component, i.e., an inorganic filler having an average particle diameter of 1.1-5.0 μm, wherein the absolute value of the difference between the refractive index [nc] of the inorganic filler (c) and the refractive index [nb] of the organic-inorganic composite filler (b) (i.e., . .
|Bio-derived polymers having improved processability and method for the production thereof|
Provided are modified bio-derived polymers having improved processability as well as methods of producing such polymers and articles produced therefrom. The modified bio-derived polymers have improved melt strength compared with presently available bio-derived polymers.
The objective of the present invention is to provide a derivative of polybutadiene suitable as a material of a curable composition for obtaining a cured product having high shearing stress. The present invention provides: a silylated polybutadiene characterized by containing a repeating unit represented by formula (i) (in the formula: r1, r2, and r3 each independently represents an unsubstituted or substituted aryl group, an alkyl group, or an aralkyl group.
Addition-fragmentation agents of the formula are disclosed having the following functional groups: 1) a labile addition-fragmentation group that can cleave and reform to relieve strain, 2) a free-radically polymerizable group, and 3) a surface-modifying functional group that associates with the surface of a substrate.. .
|Polyfunctional polyglycerine initiated polyether polyols and high resilience polyurethane slabstock therefrom|
A polyglycerine initiated polyether polyol exhibiting a final functionality less than the nominal functionalities of the polyol initiator wherein the initiator is a polyglycerine formed by the polymerization of glycerin having an hew less than about 35 and exhibiting a nominal functionality between 2 and 16 is provided. Also provided is a process for producing a polyfunctional polyurethane by the reaction of a mixture containing a polyol based on polyglycerine initiator wherein between 5 wt % and 100 wt % of the total initiator is polyglycerine having a nominal functionality between 2 and 16, at least one organic isocyanate, an amine and/or a metal salt catalyst, and optionally a blowing agent.
|Mixtures of polymers containing blowing agent, insecticides, and waxes|
The present invention relates to mixtures of blowing agent-containing polymers, wax and insecticides, to coated polymer particles, to methods for producing coated polymer particles, to the use of these particles and mixtures in the production of polymer foams, to the use thereof for protecting polymer foams against infestation by insects, principally termites, and also to materials of construction and building materials produced from the insecticide-containing polymer foams.. .
|Foam-based and powder-based adsorbents having high adsorption capacities for recovering dissolved metals and methods thereof|
Foam-based and powder-based adsorbents and a related method of manufacture are provided. The foam-based and powder-based adsorbents includes polymer foam or powder with grafted side chains and an increased surface area per unit weight to increase the adsorption of dissolved metals, for example uranium, from aqueous solutions.
|Product for mold prevention and treatment|
A novel product for mold prevention and treatment is disclosed herein. The product comprises water, one or more anti-mold agents, one or more polymers, and one or more emulsifiers.
|Process for the production of biodegradeable, functionalised polymer particles, and use thereof as pharmaceutical supports|
The invention relates to a method for producing biodegradable, functionalised polymer particles, and to the use of the same as medicament carriers.. .
|Use of inorganic matrix and organic polymer combinations for preparing stable amorphous dispersions|
The present invention relates to methods for processing pharmaceutically active substances having poor water solubility in the presence of an inorganic matrix, e.g., magnesium aluminometasilicate, and a secondary polymer as a means of converting the crystalline api to substantially amorphous and stable form, i.e., the crystallinity is less than 5%. The methods of the invention result in more complete amorphization, increased solubility, drug loading and stability as compared to typical amorphization or literature methods..
|Methods and compositions for inhibiting cellular proliferation and surgical adhesion|
The present invention provides compositions and methods to inhibit fibrosis and scarring associated with surgery. The present invention relates to the discovery that a synthetic anionic polymer consisting of dextran-sulfate (anionic carbohydrate) conjugated to tirofiban (an anti-platelet agent which prevents platelet activation and aggregation) can effectively inhibit adhesions that form during surgery.
|Bipartite inhibitors of bacterial rna polymerase|
The invention provides bipartite inhibitors of bacterial rna polymerase having the general structural formula (i): x-α-y (i) wherein x is an moiety that binds to the rifamycin binding site of a bacterial rna polymerase, y is a moiety that binds to the ge23077 binding site of a bacterial rna polymerase, and is a linker. The invention also provides compositions comprising such compounds, methods of making such compounds, and methods of using said compounds.
|Paint stripping compositions|
An environmental safety paint stripping composition comprising dichloroethylene, aromatic alcohols and ethers, surfactants, corrosion inhibitors, thickeners, wax solvents and water. This paint stripping composition is particularly useful in stripping paint and other polymeric coatings from metal substrates such as aluminum and it alloys..
|Benefit agent delivery particles comprising non-ionic polysaccharides|
The invention provides a composition comprising a benefit agent delivery particle comprising at least one of hydroxylpropyl methyl cellulose, hydroxylethyl methyl cellulose, hydroxylpropyl guar, hydroxylethyl ethyl cellulose or methyl cellulose. The benefit agent delivery particle may further comprise a non-polysaccharide polymer, preferably an aminoplast polymer.
|Lubricating composition and method for preparing same|
A composition made by admixing a major amount of base oils of lubricating viscosity and minor amounts of additives. The additives can include a viscosity modifier, a dispersant, a friction modifier, an anti-oxidant, a suppressant, a tackifier, and thickeners.
|Wellbore servicing fluid having hydrophobically modified polymers|
Embodiments of the present disclosure include a wellbore servicing fluid that includes a diluent, a hydrophobically modified polymer, and a base. The base provides the wellbore servicing fluid with a ph of greater than 10.
|Completion fluid for reducing friction between metal surfaces|
A liquid mixture reduces the friction between two surfaces, at least one of which is moving with respect to the other such as tubing moving within the casing of an oil or gas well. The mixture includes an oil, a suspending agent, polymer particles and a surfactant..
|Method for detecting target nucleic acid|
The disclosure of the present description provides a method for detecting a target nucleic acid, whereby probe hybridization can be accomplished efficiently. To that end, a target nucleic acid is amplified using a first primer having a tag sequence complementary to a detection probe pre-associated with the target nucleic acid and a first recognition sequence that recognizes a first base sequence in the target nucleic acid and also having a linking site capable of inhibiting or arresting a dna polymerase reaction disposed between the tag sequence and the first recognition sequence, and a second primer having a second recognition sequence that recognizes a second base sequence in the target nucleic acid, the amplified fragment is brought into contact with a detection probe so as to allow hybridization, and the hybridization product is detected..
|Novel reagents for directed biomarker signal amplification|
Described herein are methods, compositions and articles of manufacture involving neutral conjugated polymers including methods for synthesis of neutral conjugated water-soluble polymers with linkers along the polymer main chain structure and terminal end capping units. Such polymers may serve in the fabrication of novel optoelectronic devices and in the development of highly efficient biosensors.
|Massive parallel method for decoding dna and rna|
This invention provides methods for attaching a nucleic acid to a solid surface and for sequencing nucleic acid by detecting the identity of each nucleotide analogue after the nucleotide analogue is incorporated into a growing strand of dna in a polymerase reaction. The invention also provides nucleotide analogues which comprise unique labels attached to the nucleotide analogue through a cleavable linker, and a cleavable chemical group to cap the —oh group at the 3′-position of the deoxyribose..
|Step-wise nucleic acid sequencing with catalytic and non-catalytic metals|
The application relates to methods, and systems for nucleotide sequencing comprising producing polymerase reactions that comprise both catalytic and non-catalytic divalent metal ions. Polymerase/template/primer complexes are immobilized on a substrate.
Embodiments of the present invention relate to seeds coated with a coating comprising (a) a water-swellable polymer; (b) one or more controlled-release fertilizers; (c) bone meal substantially free of protein; and (d) optionally one or more fungicides.. .
The present invention relates to a process for coating a surface with micelles which comprise an ab block copolymer comprising the step of treating the surface with an apolar liquid containing the micelles; and to surfaces coated with such micelles.. .
|Fiber-based adsorbents having high adsorption capacities for recovering dissolved metals and methods thereof|
A fiber-based adsorbent and a related method of manufacture are provided. The fiber-based adsorbent includes polymer fibers with grafted side chains and an increased surface area per unit weight over known fibers to increase the adsorption of dissolved metals, for example uranium, from aqueous solutions.
|Porous sic ceramic and method for the fabrication thereof|
There is provided a method for the fabrication of porous sic ceramic. The method comprises oxidizing particles of sic ceramic thereby forming amorphous silica on the surface of the particles.
|Surface modifying agents, modified materials and methods|
The present invention relates to surface modifying agents for polymeric and/or textile materials, methods of making and/or using a surface modifying agent to modify and functionalize polymeric and/or textile materials, and/or methods of using surface modified or functionalized polymeric and textile materials, and/or products using or incorporating surface modified or functionalized polymeric and textile materials. For example, the surface modifying agent in precursor form can be styrene sulfonyl azide monomer, polymer or copolymer capable of undergoing a chemical reaction in the presence of heat or light to form one or more styrene sulfonated nitrene monomers, polymers or copolymers, which are capable of chemically reacting with the surface of a polymeric or textile material to endow a specific or desired chemical surface functionality to the surface of a polymeric or textile material.
|Elastomer-enhanced fabrics, articles of manufacture including such fabrics, and methods of making same|
An elastomer-enhanced fabric includes one or more fiber strands, and an elastomeric material carried by the one or more fiber strands. The elastomeric material may comprise an elastomeric polymer and a plasticizer.
|Connector utilizing conductive polymers|
An improved electronic receptacle connector with portions thereof formed from an electrically conductive polymer is disclosed. A conductive polymer front face enables improved device aesthetics and can discharge electrostatic energy from a plug before it is mated with the connector.
|Ball placement in a photo-patterned template for fine pitch interconnect|
A photo-patternable polymer film is deposited on a substrate, wherein the substrate includes metal pads. Ultraviolet light is transmitted through a photomask on the deposited photopatternable polymer film to generate cavities in depositing a film on a substrate, wherein the substrate includes metal pads the deposited polymer film and expose the metal pads.
|Method for low temperature bonding and bonded structure|
A method for bonding at low or room temperature includes steps of surface cleaning and activation by cleaning or etching. The method may also include removing by-products of interface polymerization to prevent a reverse polymerization reaction to allow room temperature chemical bonding of materials such as silicon, silicon nitride and sio2.
|Method for fabricating an interlayer|
The present invention relates to a method for fabricating an interlayer, and particularly relates to a method for fabricating an interlayer pcbm which is difficult to be dissolved in organic solvents. The solubility of the interlayer (pcbm) in organic solvents is decreased by polymerization of the interlayer (pcbm).
|Bioactive carbon nanotube composite functionalized with b-sheet polypeptide block copolymer, and preparation method thereof|
The present invention relates to a bioactive carbon nanotube composite functionalized with a β-sheet polypeptide block copolymer by combination self-assembly, which shows excellent water dispersion, and has biological activity so as to be used as stimulus-responsive and adaptable biomaterials or in the manufacture of cnt-based electronic biosensor devices. In addition, the bioactive carbon nanotube composite can be used as a composition for delivery of a biological active material into cells.
|Three-dimensional cell culture methods for test material assessment of cell differentiation|
The present specification discloses three-dimensional in vitro cell-based methods to assess a test matrix polymer ability to support differentiation of a population of cells methods of screening a material for its ability to stimulate cell growth and/or differentiation.. .
|Methods and compositions for enrichment of nucleic acids in mixtures of highly homologous sequences|
Provided are methods of enrichment and detection of target nucleic acids during target amplification in the presence of excess amounts of highly homologous sequences, said methods having substantial diagnostic utility (e.g., cancer diagnostics). Provided are amplification reaction mixtures having at least one cleavage-directing oligonucleotide, the respective binding sites of which, for the target and homologous sequences, include one or more nucleotide positions differing in sequence between the target homologous sequences.