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7629426 |
Blend of ionic (co)polymer resins and matrix (co)polymers
The invention relates to polymeric resin blends containing polyelectrolyte resins blended into a polymer or copolymer matrix. Specifically, the polyelectrolyte resins are (co)polymers without...
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7629425 |
Methods of producing water-soluble, non-turbid copolymers of at least one water-soluble N-vinyllactam and at least one hydrophobic comonomer
Methods of producing vinyllactam copolymers which include: providing at least one water-soluble N-vinyllactam; providing at least one hydrophobic comonomer; and subjecting the at least one...
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7608661 |
Water-soluble film from copolymers of vinyl alcohol and itaconic acid, and paper coating articles therefrom
The present invention is a composition useful for coating the surface of paper wherein the coating composition is an aqueous solution comprising less than 40 wt % water and consisting essentially...
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7608662 |
Copolymers of vinyl alcohol and itaconic acid for use in paper coatings
The present invention is a composition useful for coating the surface of paper wherein the coating composition is an aqueous solution comprising less than 40 wt % water and consisting essentially...
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7608660 |
Method of coating paper with copolymers of vinyl alcohol and itaconic acid
The present invention is a composition useful for coating the surface of paper wherein the coating composition is an aqueous solution comprising less than 40 wt % water and consisting essentially...
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7589159 |
Process for producing radical polymer
The present invention provides a process for producing a resin powder containing a radical polymer having a volume-average primary-particle diameter of 1 nm to 300 nm and containing no impurities...
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7470744 |
Copolymers useful as demulsifiers and clarifiers
A copolymer useful as a demulsifier or water clarifier may be prepared by polymerizing at least one aromatic monomer having one or more polymerizable double bonds; at least one oleophilic monomer...
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7442751 |
Method of producing water-soluble nonturbid copolymers of at least one water-soluble N-vinyllactam and at least one hydrophobic comonomer
Method of producing vinyllactam copolymers by free-radical polymerization of at least one water-soluble N-vinyllactam and at least one hydrophobic comonomer in an organic solvent in the presence of...
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7371796 |
Copolymers of vinyl alcohol and itaconic acid for use in paper coatings
The present invention is a composition useful for coating the surface of paper wherein the coating composition is an aqueous solution comprising less than 40 wt % water and consisting essentially...
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7368515 |
Polyvinyl alcohols and polyvinyl acetals containing silane
The invention relates to polyvinyl alcohols and polyvinyl acetals which contain silane and can be obtained by means of a) radical polymerization of at least one vinyl ester of unbranched or...
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7348382 |
Polyvinyl alcohol based block copolymer and pigment dispersion aqueous liquid using the same and recording liquid
A recording liquid capable of giving a printed matter which is high in printing density, is suppressed in blur, has high printing quality, and has good fastness of a recorded matter including light...
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7319038 |
Sensor for monitoring an analyte
A food spoilage sensor of the general formula
wherein M is a transition metal ion; D 1 , D 2 , D 3 and D 4 can be the same or different and can be N or P; R 1 and R 2 , R 3 and R 4 , R 5 ...
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7279541 |
Pressure sensitive adhesives for plasticized PVC backings
The invention relates to a polymer synthesized
from 0.5 to 30% by weight of vinyl acetate (a), from 0.1 to 10% by weight of monomer containing at least one acid or acid anhydride group (b),...
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7247693 |
Monomer compound comprising several cationic groups, process for making the same, and polymers comprising units deriving therefrom
A polymer includes repetitive units derived from a monomer compound according to formula (I):
wherein R 1 is a hydrogen atom, a methyl group or an ethyl group, A, which is identical or...
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7247489 |
Ion-detecting microspheres and methods of use thereof
This invention provides methods of using ion-detecting microspheres containing an ionphore and a chromoionphore in clinical laboratory instrumentation such as flow cytometry for sample analysis. In...
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7173084 |
Levelling agent and anti-cratering agent
Use of a polymer as a levelling agent or anti-cratering agent, said polymer comprising at least one fluorinated unit represented by formula 1, (Formula 1) wherein R?1 is a moiety represented by C...
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7041754 |
Emulsion type modifier for improving properties of pressure sensitive emulsion acrylic adhesives
The present invention relates to an emulsion type modifier for improving properties of the pressure-sensitive emulsion acrylic adhesives. The emulsion type modifier comprises: (a) 15 to 35 parts...
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7029618 |
Acetoacetylated polyvinyl polymers
The present invention relates compositions containing acetoacetylated polyvinyl polymers obtained from polyvinyl polymers, such as polyvinyl butyrals. These coating compositions are especially...
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7022656 |
Water-soluble copolymer film packet
Generally speaking, the present invention is a water-soluble copolymer film comprising a hydrolyzed copolymer of vinyl acetate and a second monomer, the resultant polyvinyl alcohol copolymer having...
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6969746 |
Process for the preparation of ethylene copolymers, and their use as additives to mineral oil and mineral oil distillates
Process for the preparation of ethylene copolymers, and their use as additives to mineral oil and mineral oil distillates. The invention relates to a process for the preparation of terpolymers of...
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6939914 |
High stiffness absorbent polymers having improved absorbency rates and method for making the same
Superabsorbent polymer materials are provided including absorbent polymers having a fast vortex time, desirably about 10 seconds or less, and a stiffness index of at least about 0.7, as determined...
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6939927 |
Process for making vinyl pyrrolidone/vinyl acetate copolymers having a very low residual vinyl pyrrolidone monomer level within a short production cycle
Vinyl pyrrolidone/vinyl acetate copolymers having a very low residual vinyl pyrrolidone monomer level, i.e. <100 ppm, preferably only 50 ppm, are made within an advantageously short production...
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6939931 |
Process for preparing solid polyvinyl ester resins
The invention relates to a process for preparing solid polyvinyl ester resins using a bulk or solution polymerization process in the presence of a chain transfer agent, wherein one or more vinyl...
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6930139 |
Anti-explosive fertilizer coatings
Coatings for agricultural grade fertilizer particles and industrial grade ammonium nitrate are provided which when applied to particles form a protective film which acts as a barrier to inhibit or...
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6924147 |
Method of making a polymeric food spoilage sensor
A polymeric food spoilage sensor comprises a polymer containing a polyazamacrocyclic transition metal complex. The complex selectively binds biogenic amines, such as cadaverine, putrescine and...
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6914110 |
Process for producing polymer having crosslinkable silyl group and curable composition
A process for producing a crosslinkable silyl group-containing polymer which is excellent in oil resistance, heat resistance, weatherability, low staining properties, and compression set...
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6855762 |
Method for producing water soluble polymer of esters from ethylenically unsaturated carboxylic acids and polyalkylene glycols
A process for the preparation of water-soluble polymers of esters of ethylenically unsaturated carboxylic acids and polyalkylene glycols by azeotropic esterification, in the presence of organic...
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6849703 |
Water-soluble polymers of esters made from acrylic acid and alkylpolyalkylene glycols
Water-soluble polymers of esters made from acrylic acid and alkylpolyalkylene glycols, obtainable by azeotropic esterification of a mixture of acrylic acid and alkylpolyalkylene glycol in a molar...
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6838517 |
Method for producing ethylene-vinyl acetate copolymer and saponified product thereof
The present invention provides methods for producing an ethylene-vinyl acetate copolymer and a saponified product thereof that can inhibit visible imperfections (particularly discoloration) at the...
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6818709 |
Production of vinyl alcohol copolymers
A novel process is disclosed for the continuous process for making a vinyl acetate/acrylamido copolymer product, employing vinyl alcohol and 2-acrylamido-2-methyl propane sulfonic acid or a salt of...
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6806334 |
Proliferous copolymer of vinyl pyrrolidone and vinyl acetate
What is described herein is an excipient for a pharmaceutical tablet which is a proliferous copolymer of vinyl pyrrolidone and vinyl acetate, to provide the tablet with rapid dissolution and...
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6803405 |
Thickeners for aqueous dispersions
The invention relates to the aqueous preparation of a polymer. Said preparation contains a copolymer consisting of a) 30 to 79.5 wt. % N-vinylpyrrolidone, b) 20 to 69.5 wt. % vinylacetate, c) 0.5...
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6800709 |
Method of preparing polymer particles having narrow particle size distribution
A method has been described of preparing monodisperse polymer particles by free radical polymerization or copolymerization of hydrophobic monomers in a water-based system in the presence of...
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6765077 |
Negative-chargeability control resin
A negative-chargeability control resin containing a specific vinyl copolymer imparts stable chargeability to toner. The vinyl copolymer is obtainable by copolymerizing a monomer composition which...
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6747111 |
Polymerization process with living characteristics and polymers made therefrom
A free radical polymerization process suitable for synthesizingpolymers is disclosed. The process utilizes novel sulfur based chain transfer agents and is widely compatible over a range of monomers...
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6747090 |
Compositions capable of forming hydrogels in the eye
The invention related to a hydrogel forming aqueous composition of water soluble polymers having a sufficiently high coherency that it substantially not is dispersed when being injected into an...
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6720390 |
Process for crosslinking of acrylic ester copolymers
Disclosed is a process for crosslinking copolymers of acrylic esters by converting some of the ester groups to ester or amide groups which contain unsaturation, and then sulfur or peroxide curing...
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6689856 |
WATER-SOLUBLE POLYMERS WITH A WATER-SOLUBLE BACKBONE AND SIDE UNITS WITH A LOWER CRITICAL SOLUTION TEMPERATURE, PROCESS FOR PREPARING THEM, AQUEOUS COMPOSITIONS CONTAINING THEM AND COSMETIC USE THEREOF
Water-soluble polymers having a water-soluble backbone and side units having in water a lower critical solution temperature, LCST, the polymers being obtainable by free-radical precipitation...
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6667374 |
Polymer flocculants with improved dewatering characteristics
A high molecular weight water soluble acrylamide based polymer having improved flocculating and dewatering properties is provided. The polymer is prepared by a process in which a small quantity of...
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6639027 |
Production process for vinyl-based polymer
A production process for a vinyl-based polymer is provided. The production process comprises a step for polymerizing a vinyl-based monomer by a radical reaction within an aqueous medium in a...
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6602966 |
In-reactor process for making ethylene polymer nanocomposite materials
A process is provided for producing ethylene (co)polymer nanocomposites in a high pressure polymerization reactor. The process by which nanocomposites having organically modified clays incorporated...
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6596831 |
Anionic vinyl/dicarboxylic acid polymers and uses thereof
Biodegradable anionic polymers are disclosed which include recurring polymeric subunits preferably made up of vinylic and dicarboxylic monomers such as vinyl acetate or vinyl alcohol and maleic...
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6576720 |
Preparation of polyvinyl alcohol
A process for preparing polyvinyl alcohol by means of catalytic transesterification of an alcoholic polyvinyl ester solution and subsequent workup by means of isolation of the polyvinyl alcohol...
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6492019 |
Activated adhesive system
A method of increasing the tack of a pressure sensitive adhesive by exposing a polymeric pressure sensitive adhesive to an activating treatment, activatable articles containing such an adhesive and...
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6489422 |
Thickeners for surfactant-containing compositions
Use of neutralized or partially neutralized copolymers obtainable from A) from 50 to 99% by weight of monoethylenically unsaturated carboxylic acid and B) from 1 to 50% by weight of at least one...
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6479605 |
High-durability, low-yellowing repellent for textiles
A copolymer comprising monomers copolymerized in the following percentages by weight: (a) from about 40% to about 75% of a monomer of formula I: R f —CH 2 CH 2 —OC(O)—C(R)═CH 2 I (b)...
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6444784 |
Wax crystal modifiers (LAW657)
The invention relates to a copolymer composition useful as wax crystal modifiers and flow improvers. The compositions are copolymers of a C 6 to C 250 straight-chain or branched dialkyl filmarate...
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6441082 |
Process for preparing aqueous polymer dispersions
Redispersible polymer powders are prepared by emulsion polymerization of ethylenical, unsaturated monomers in the presence of a protective colloidal stabilizer containing 20 to 95 weight percent of...
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6391992 |
Sulfonate-terminated oligomers of vinyl esters and their vinyl alcohol oligomer derivatives
Oligomers of vinyl esters, preferably of vinyl acetate, are provided in which the molecules contain a single terminal sulfonate group, thereby making these products useful as surface-active agents....
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6270692 |
Dispersion powders with increased autoignition temperature
Dispersion powders with a reduced tendency to autoignition are obtained by adding antioxidants to dispersions before spray drying or to dispersion powders after spray drying.
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