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7625961 |
Biopolymer and methods of making it
The present invention relates to a composition, which can be referred to as a biopolymer, including fermentation solid and thermoactive material. The present invention also includes methods of...
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7495056 |
Water-absorbing agent and production process therefor, and water-absorbent structure
The present invention provides: a novel water-absorbing agent, which exhibits an excellent absorption capacity under a load (AAP), gel layer liquid permeation rate under a load (FRUP), saline flow...
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7153904 |
Starch/carboxylated polymer composites
This invention relates to an inhibited non-solubilized granular starch modified by less than 5% of a carboxylated polymer. In addition, a process is provided wherein a non-solubilized,...
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7026277 |
Fabric care composition
The present invention is directed to a process for the preparation of polysaccharide grafted latex particles wherein the polysaccharide has β-1,4 linkages, wherein the process comprises core/shell...
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6746542 |
Modifying starch with cationic polymers and use of the modified starches as dry-strength agent
A process for modifying starch by heating starch in an aqueous medium to temperatures above the gelatinization temperature of said starch comprises effecting said modifying of said starch in the...
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6730722 |
Cross-linkable polymer powder compositions
The invention provides cross-linkable polymer powder compositions containing a) at least one water-soluble polyhydroxy compound; b) at least one boric acid complex compound which is of limited...
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6713551 |
Resin composition for coating and coating composition for curing
The present inventors provides polyol-containing resin compositions for coatings which can give cured coating films having high hardness and at the same time high solid compositions to meet the...
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6602950 |
Hydrophilic hydrogels with a high swelling capacity and method for producing and using them
A hydrophilic, highly swellable hydrogel based on (co)polymerized monomers or based on graft (co)polymers and prepared by a) free-radically (co)polymerizing one-or more hydrophilic monomers or...
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6358580 |
Sealing material which swells when treated with water
The invention relates to an optionally foamed sealing composition for preformed seals which can swell when treated with water. The invention also relates to a method for the production thereof out...
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6306821 |
Functionalized poly(propylene fumarate) and poly(propylene fumarate-co-ethylene glycol)
Poly(ethylene glycol) (PEG), a highly biocompatible hydrophilic polyether, is tethered to poly(propylene fumarate) (PPF), a biodegradable polyester. To avoid change in molecular weight distribution...
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6235835 |
Polymer-modified anionic starch, method for its production, and its use
Starch is modified with at least one cationic polymer P) and the modified starch is prepared by a process in which a) an anionically modified starch A) is reacted with a cationic polymer P) or ...
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6214907 |
Biologically degradable polymer mixture
A biologically degradable polymer mixture is proposed which consists essentially of starch and at least one hydrophobic polymer. The hydrophobic polymer is in this connection at least substantially...
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6160050 |
Polymer-modified starch, method for its production, and its use
A starch modified with at least one cationic polymer is prepared by a process in which dry, free-flowing starch is initially taken and the cationic polymer is applied thereon without the starch...
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6150472 |
Multi-functional site containing polymers, and applications thereof
Polymers having multi-functional sites and a gel comprising a solvent swollen network of cross-linked polymer(s), of which at least one polymer comprises at least one multi-functional site. A...
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6143384 |
Container for retort packaging, resin composition, and gas-barrier film prepared therefrom
The present invention provides a container for retort packaging comprising a laminated film having an outermost layer comprising a layer formed of a cross-linked structure containing ester bonds...
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6117925 |
Thermoplastic processable starch or starch derivative polymer mixtures
The present invention relates to thermoplastically processible esterification or transesterification products of starch or of starch derivatives with, for example, lactones, fatty acids,...
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6048929 |
Modified starch composition for removing particles from aqueous dispersions
Modified starches prepared by cooking an amphoteric or cationic starch and an anionic, amphoteric, or cationic polyacrylamide have utility as a retention aid in the manufacture of paper.
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6040379 |
Starch copolymer products and process
The invention provides methods for the preparation of a starch copolymer product which is the reaction product of starch and one or more synthetic monomers capable of undergoing free radical...
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6033525 |
Modified cationic starch composition for removing particles from aqueous dispersions
Modified starches prepared by cooking an amphoteric or cationic starch and certain polyacrylamides have improved performance in paper making if a soluble aluminum compound also is present.
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5981070 |
Water-absorbent agent powders and manufacturing method of the same
A manufacturing method of water-absorbent agent powders of the present invention is a method of a reducing an amount of a residue of an epoxy crosslinking agent remaining therein by adding a...
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5916968 |
Adhesives resistant to skin-penetration enhancers
A graft copolymer for use as an adhesive for drug delivery patches or dressings that is resistant to dissolution in the presence of skin penetration enhancers comprises copolymerized acrylic and,...
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5914368 |
Vinyl alcohol copolymers and water-soluble films containing them
The description relates to vinyl alcohol copolymers which can be produced by the acid-catalysed acetalisation reaction of polyvinyl alcohols with a degree of saponification of 80-99.5 mol % and...
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5897960 |
Laminate and production process thereof
A laminate having a laminated structure of at least two layers includes a gas barrier film (A) formed from a mixture containing at least one poly(meth)acrylic acid polymer selected from the group...
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5861461 |
Biodegradable plastic composition, method for preparing thereof and product prepared therefrom
A plastic composition superior in both biodegradability and physical properties, comprises a matrix resin which is a blend of polyethylene and a biodegradable aliphatic polyester, starch, a...
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5834556 |
Graft copolymer of polycationic species and water-soluble polymers, and uses therefor
In accordance with the present invention, there are provided methods to render cells non-adhesive and/or non-immunogenic with respect to macromolecules typically encountered in culture media or in...
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5773495 |
Use of plasticisers for thermo-plasticizing starch
The invention relates to the use of biodegradable graft copolymers producible in the presence of empirically determined quantities of water from polyvinyl alcohols with a degree of saponification...
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5693692 |
Depressant for flotation separation of polymetallic sulphide ores
A new depressant for use in enhanced separation of polymetallic sulphides is described. The depressant agent is used in conjunction with conventional collector agents and frothing agents in the...
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5656746 |
Temporary wet strength polymers from oxidized reaction product of polyhydroxy polymer and 1,2-disubstituted carboxylic alkene
A temporary wet strength polymer and compositions for paper products, e.g., toilet tissue, is disclosed. The temporary wet strength polymer is the oxidation product of an esterified polyhydroxy...
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5656682 |
Polymer composition comprising esterified starch and esterified cellulose
According to the present invention there is provided a composition as obtained from a melt comprising a starch ester and a cellulose ester. The starch ester and cellulose ester may be of the kind...
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5621026 |
Gas barrier film and production process thereof
Disclosed herein is a gas barrier film formed from a mixture containing (A) at least one poly(meth)acrylic acid polymer selected from the group consisting of poly(meth)acrylic acid and partially...
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5583193 |
Polysaccharide graft-polymers and the use in papermaking thereof
A process for preparing a modified polysaccharide graft copolymer complex which comprises the steps of: i. subjecting polysaccharide to graft copolymerization with a vinyl monomer; ii....
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5496874 |
Moldable hydrodisintegratable material and products formed thereby
Disclosed is a hydrodisintegratable material which, when injection molded into an object, acquires and maintains the desired shape without becoming brittle. Additionally, in the presence of water,...
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5492962 |
Method for producing compositions containing interparticle crosslinked aggregates
Methods of producing particulate, absorbent, polymeric compositions comprising interparticle crosslinked aggregates. In the methods of the present invention, an interparticle crosslinking agent is...
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5461094 |
Biodegradable polyethylene composition chemically bonded with starch and a process for preparing thereof
The present invention relates to a biodegradable film prepared by chemical bonding of starch and polyethylene chains using polyethylene, which is polyolefin having the most widest general...
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5384179 |
Particulate polymeric compositions having interparticle crosslinked aggregates of fine precursors
Particulate, absorbent, polymeric compositions comprising interparticle crosslinked aggregates formed from precursor particles having a relatively small particle size. (i.e., fine precursor...
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5369148 |
Method for continuous agglomeration of an absorbent resin powder and apparatus therefor
Continuous agglomeration of an absorbent resin powder is accomplished by a method which comprises introducing the absorbent resin powder into a cylindrical member having an open lower end by means...
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5240994 |
Solid surface coated with a hydrophilic biopolymer-repellent outer layer and method of making such a surface
A solid surface having anionic groups capable of reacting with a polyethylene imine substituted at least in part by at least 50% by weight of a hydrophilic nonionic polymer having a molecular...
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5196478 |
Immobilization of ligands by radio-derivatized polymers
This invention relates to radio-derivatized polymers and a method of producing them by contacting non-polymerizable conjugands with radiolysable polymers in the presence of irradiation. The...
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5112903 |
Articles molded from moisture shrinkable resins
Articles molded from a moisture shrinkable polymer are provided. The article are stretched. The moisture shrinkable polymer may comprise a graft copolymer, a block copolymer, or a blend of a...
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5049612 |
Depressant for flotation separation of polymetallic sulphidic ores
A new depressant for use in enhanced separation of polymetallic sulphides is described. The depressant agent is used in conjunction with conventional collector agents and forthing agents in the...
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5002986 |
Fluid absorbent compositions and process for their preparation
This invention relates to fluid absorbent polymer compositions having the ability to absorb aqueous ionic fluids and water rapidly and efficiently. These fluid absorbent polymer compositions are...
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4977211 |
Water-absorptive resin composition
A water-absorptive resin composition which comprises (A) 5 to 95% by weight of a water-absorptive resin and 95 to 5% by weight of (B) a polyolefin resin and (C) an ethylene/α-olefin copolymer...
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4970267 |
Reconstitution of superabsorbent polymer fines using persulfate salts
A method for reconstituting superabsorbent polymer fines which comprises the following steps: wetting the superabsorbent polymer fines with an aqueous solution sufficient to form an amorphous gel...
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4833202 |
Multi-ethylenic monomers from glycosides
A polymerizable composition comprised of a major amount of a polymerizable component and a minor amount of a multi-ethylenic glycoside compound (e.g. acrylate and/or methacrylate esters of an alkyl...
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4774284 |
Water-swelling composition
There is disclosed a water-swelling composition which comprises polyolefinpolyol-ethylene oxide addition product, a water-absorbing polymer and an isocyanate. The composition contains a...
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4771105 |
Water-absorbent resin and process for producing the same
A water-absorbent resin of polyacrylic acid series characterized in that the resin has the crosslinked surface formed by reacting a powdery water-absorbent resin of polyacrylic acid series with an...
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4769414 |
Absorbent compositions
YImproved liquid absorbent products comprising saponified polymers or copolymers or starch graft copolymers of 2-propenenitrile or 2-methyl-2-propenenitrile which exhibit a white appearance. The...
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4568721 |
Starch cationization
The invention relates to an improved cationic starch. This starch is composed of a major portion of starch which has been modified with a water-soluble cationic polymer comprising at least 10 mole...
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4454268 |
Starch-based semipermeable films
Semipermeable films useful as dialysis membranes are prepared from starch-based composites. The films are shaped by conventional methods from a plasticized matrix comprising highly gelatinized...
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4436859 |
Polynorbornenes cured with isocyanates and optionally with polyols
Polynorbornenes are cured with isocyanates optionally in the presence of polyols to yield elastomeric products having improved mechanical properties, particularly improved compression moduli and...
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