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7619009 |
Systems and methods for controlling and forming polymer gels
In preferred embodiments, the present invention provides methods of controllably making a vinyl polymer hydrogel having desired physical properties without chemical cross links or radiation. The...
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7608663 |
Method of preparing propionic acid-terminated polymers
The invention provides methods for preparing polymers bearing a terminal propionic acid. The method involves first reacting a water soluble and non-peptidic polymer comprising at least one hydroxyl...
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7598320 |
Protected polyvinyl alcohol auxiliary for forming fine pattern and process for producing the same
A modified polyvinyl alcohol (PVA) protected with a protecting group of the present invention is one wherein an amount of high-molecular weight body components of the modified polyvinyl alcohol...
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7569166 |
Binder resin for coating paste
It is the object of the present invention to provide a binder resin for coating paste, comprising a polyvinyl acetal type resin, having an excellent dispersibility of inorganic powder such as...
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7534829 |
Resin composition and multi-layer structures
Provided is a resin composition comprising 1-99% by weight of a modified ethylene-vinyl alcohol copolymer (C) having an ethylene content of 5-55 mol %, which contains a specific structural unit (I)...
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7524895 |
Ethylene-vinyl alcohol copolymer resin compositions and process for production thereof
A method for producing an ethylene-vinyl alcohol copolymer resin composition, wherein an ethylene-vinyl alcohol copolymer resin is contacted with an aqueous solution containing both carbon dioxide...
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7511096 |
Crosslinked polyvinyl acetals
The invention relates to methods for producing crosslinked polyvinyl acetals, according to which a polyvinyl alcohol (A1) containing carboxyl groups is crosslinked by (i) reacting the polymer (A1)...
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7501224 |
Compositions for use in forming a pattern and methods of forming a pattern
In a composition for forming an interfacial layer on a photoresist pattern, and a method of forming a pattern using the composition, the composition includes a water-soluble polymer, a...
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7498391 |
Process for preparing cationic polyvinyl acetals
Cationic polyvinyl acetals are prepared by copolymerizing one or more cationic N-alkyldiallylammonium salt monomers with one or more vinyl esters of branched or unbranched carboxylic acids having 1...
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7491766 |
Aqueous emulsion and use thereof
The present invention provides an aqueous emulsion having excellent polymerization stability and standing stability and a redispersible powder. Specifically, the present invention relates to an...
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7485670 |
Systems and methods for controlling and forming polymer gels
In preferred embodiments, the present invention provides methods of controllably making a vinyl polymer hydrogel having desired physical properties without chemical cross links or radiation. The...
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7473515 |
Thermally reactive near-infrared absorbing acetal copolymers, methods of preparation and methods of use
Described herein are novel thermally reactive near-infrared absorbing acetal copolymers that undergo chemical and physical changes upon exposure to near-infrared radiation. Also described are the...
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7432330 |
Hydrolytically stable maleimide-terminated polymers
The present invention is directed to hydrolytically stabilized maleimide-functionalized water soluble polymers and to methods for making and utilizing such polymers and their precursors.
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7358304 |
High-molecular, crosslinked polyvinyl butyrals, method for the production and use thereof
The invention relates to high-molecular, crosslinked polyvinyl butyrals, obtainable by (self-) crosslinking polyvinyl butyrals that contain coacetalated, acid-functionalized aldehydes. The...
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7351765 |
Method for producing polyvinylacetals
Polyvinyl acetals are obtained in a cost-effective and environmentally advantageous manner by employing as at least a portion of the aqueous acetalization medium, the mother liquor from a previous...
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7345126 |
Production method of hydroxyl-containing polymer
The present invention provides a production method of a hydroxyl-containing polymer including: protecting a hydroxyl group of a hydroxyl-containing monomer with a protecting group to make the...
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7312275 |
Cross-linked polyvinyl acetals
The invention relates to a cross-linked polyvinyl acetal which is characterized in that it can be obtained from at least one polyvinylacetal (1) which is obtained by reacting at least one polymer...
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7288593 |
Enhanced oxygen barrier performance from modification of ethylene vinyl alcohol copolymers (EVOH)
Herein is disclosed a modified ethylene vinyl alcohol polymer (EVOH) comprising an oxygen scavenging functional group. Preferably, the modified EVOH comprises structures IV, V, and VI:
wherein x...
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7285594 |
Process for the aqueous plasticization of polyvinyl acetal resins
An improved aqueous slurry composition for the plasticizing of polyvinyl acetal resins whereby salts, acids and/or bases are used to enhance absorption rates of the plasticizer into the resin, and...
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7271217 |
Phytoprotein synthetic fibre and method of manufacture thereof
This invention relates to a phytoprotein synthetic fiber and the method for the manufacture thereof. This synthetic fiber is composed of phytoprotein and polyvinyl alcohol, the phytoprotein...
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7255904 |
Polyvinyl alcohol resin composition and multilayer packages
The present invention provides a resin composition having an oxygen scavenging function. The resin composition comprises 70 to 99.9 wt % of a polyvinyl alcohol resin (A) and 0.1 to 30 wt % of a...
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7253229 |
Polymer-bonded functional agents
Polymer-bonded functional agents are each obtained by reacting a functional agent containing reactive groups with a polymer containing groups reactive with the reactive groups of the functional...
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7235592 |
PVA hydrogel
The present invention provides methods of making covalently crosslinked vinyl polymer hydrogels having advantageous physical properties, and covalently crosslinked vinyl polymer hydrogel...
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7217769 |
Medical device with plasma cross-linked hydrophilic coating
A medical device with a hydrophilic and lubricious coating, wherein the coating includes a hydrophilic polymeric unit layer deposited on the medical device and cross-linked with a plasma deposited...
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7189783 |
Resist pattern thickening material, resist pattern and forming process thereof, and semiconductor device and manufacturing process thereof
A resist pattern thickening material has resin, a crosslinking agent and a compound having a cyclic structure, or resin having a cyclic structure at a part. A resist pattern has a surface layer on...
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7183344 |
Polyvinyl alcohol film and polarizing film
The invention is a film of a vinyl alcohol polymer that contains from 0.01 to 20 mol % of cationic group-containing units and contains from 0.5 to 24 mol % of α-olefin units having at most 4...
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7176257 |
Polyvinyl acetal resin for heat-developable photosensitive material and heat-developable photosensitive material
The present invention has an object of the present invention to provide a polyvinyl acetal resin for heat-developable photosensitive materials as well as a heat-developable photosensitive material...
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7169847 |
Polymeric membranes and uses thereof
A polymeric membrane suitable for use in electrophoresis formed from a pre-polymer having a plurality of crosslinkable moieties and the crosslinkable moieties being crosslinked with a...
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7147787 |
Process for treatment of aqueous environments containing a water-soluble polymer
A process wherein the use of a degradation-enhancing reactant or a precursor thereof, e.g., an oxidizing agent, can effectively increase the rate of reaction for the degradation of polymers in an...
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7132208 |
Composition for forming overcoat layer for organic photoreceptor and organic photoreceptor employing overcoat layer prepared from the composition
A composition forms an overcoat layer for an organic photoreceptor by combining an organic silane compound, an acrylic polymer, polyvinyl butyral and a solvent. The organic photoreceptor has...
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7112630 |
Water-soluble, antimicrobial active polymer and ink composition comprising the same
A water-soluble, antimicrobial active polymer and an ink composition are prepared by coupling an antimicrobial active compound to a branch of polyvinylalcohol. An excellent antimicrobial effect is...
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7083047 |
Polymeric film for water soluble package
A water soluble package comprises a polymeric film, the polymeric film comprising a polymeric backbone derived from a polymer which is water soluble, as defined herein, and one or more derivatising...
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7078462 |
Cleaning product
An automatic laundry or dishwashing product in unit dose form comprising at least three distinct zones for delivering into at least three different stages in the washing cycle. The product provides...
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7056977 |
Polyvinyl acetal and its use
The invention provides a polyvinyl acetal having a degree of acetalization of from 45 to 80 mol %, which is obtained through acetalization of a polyvinyl alcohol having a degree of polymerization...
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7041731 |
Method for producing saponified ethylene-vinyl acetate copolymer
This invention provides a method for producing a saponified ethylene-vinyl acetate copolymer in which visible imperfections (particularly fish eyes) of the saponified copolymer is inhibited. In...
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7034083 |
Pressure-sensitive adhesive and patch employing the same
An adhesive which comprises aqueous and nonaqueous polymers suitable for holding an lipophilic drug, etc., and has tackiness and cohesiveness which are sufficient for the plaster of a patch; and a...
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7019058 |
Halogenated elastomeric compositions having enhanced viscosity
The invention provides a method for increasing the viscosity of C 4 –C 7 isoolefin copolymers including halomethylstyrene derived units by mixing the copolymer with a hindered amine or phosphine...
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7015281 |
Alkali-stable hydrophilic sorbents for ion-exchange chromatography
The invention concerns alkali-stable hydrophilic sorbents for ion-exchange chromatography. The invention is characterized in that it consists in using as base material a crosslinked vinyl...
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7015266 |
Polyvinyl alcohol film
The invention is a polyvinyl alcohol film having an YI value of at most 20, which is formed of a modified polyvinyl alcohol having a degree of polymerization of from 1500 to 5000, an ethylene unit...
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6984692 |
Polyvinyl acetal and its use
The invention provides a novel polyvinyl acetal having N-vinylamide monomer units in the molecule, and provides a binder with the novel polymer for ink or paint and for ceramic forming. Compared...
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6984690 |
High-molecular-weight cross-linked polyvinyl butyrals, their use, and process for their preparation
The present invention relates to high-molecular-weight crosslinked polyvinyl butyrals obtainable by crosslinking a polyvinyl butyral with benzofuranone and/or with at least one derivative of the...
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6984450 |
Microencapsulated rubber additive
The invention relates to a rubber additive composition which contains at least one rubber additive (a), the at least one additive (a) being encased in coating material (b) accompanied by formation...
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6982296 |
PVB film containing a plastifying agent
The present invention relates to a plasticized foil based on a partially acetalized polyvinyl alcohol (PVB resin) and suitable as an intermediate layer in a laminated safety glass, and comprising:
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6964999 |
Polymer and curable composition
A vinyl polymer having at least one terminal group of the general formula (1) per molecule;
—OC(O)C(R)═CH 2 (1)
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6962955 |
Vinyl alcohol polymer and process for producing vinyl alcohol polymer
A polyvinyl alcohol having hydrolyzed silyl group functionalized monomer units. The polyvinyl alcohol satisfies the following formulae (I) and (II) and the pH of an aqueous 4% solution of the...
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6960627 |
Partially cross-linked polyvinyl alcohol
The invention relates to a partially cross-linked polyvinyl alcohol, obtained by reacting a polyvinyl alcohol with a polycarboxylic acid, in particular a hydroxypolycarboxylic acid. The partially...
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6960376 |
Oxygen absorptive resin composition
The oxygen absorptive resin composition of the present invention includes: a thermoplastic resin (a) having carbon-carbon double bonds; a gas barrier resin (b) having an oxygen transmission rate of...
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6958372 |
Magnetic, silanised polyvinylalcohol-based carrier materials
The present invention relates to magnetic, polymeric polyvinylalcohol-based carrier materials. The surface of said materials is at least partially silanised. The invention also relates to a method...
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6956070 |
Water-soluble film and package using the same
The present invention provides a water-soluble film which comprises a modified polyvinyl alcohol containing an N-vinylamide monomer unit in an amount of 1 to 10 mole percent, and a carboxyl group...
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6951642 |
Water-in-oil emulsions with anionic groups, compositions, and methods
Water-in-oil emulsions, compositions, and methods that include a vinyl polymer having a pKa of less than 4 that includes anionic group-containing side chains and alkyl-Y-containing side chains,...
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