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7595391 |
Crosslinked polysaccharides and methods of making and using crosslinked polysaccharides
This invention relates to methods of crosslinking polysaccharides to form crosslinked polysaccharides, and more particularly, to crosslinked polysaccharides that may be incorporated in fluids...
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7569556 |
Method of use of carboxylated polysaccharides topically on the eyeball
The use of chemically modified dicarboxy polysaccharides for the topical treatment of the eyeball are described. The modified polysaccharides provide a carrier in solutions for the treatment of the...
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7541396 |
Method for making carboxyalkyl cellulose
Methods for making the carboxyalkyl cellulose.
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7514552 |
Cellulose powder
A cellulose powder which has an average degree of polymerization of 150 to 450, an average particle diameter of 30 to 250 μm, an apparent specific volume exceeding 7 cm 3 /g, and a retention of...
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7488558 |
Homogeneous separator
A battery separator for use in zinc alkaline batteries having improved mechanical strength and higher resistance to oxidation comprising cellulose that has been crosslinked with a saturated...
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7485720 |
Cellulose-type material
A spherical cellulose material wherein the cellulose material is a water-insoluble polysaccharide formed by β-1,4-type sugar chain linkages, the degree of crystallinity is 70% or greater, and...
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7485689 |
Tensio-active glucoside urethanes
Disclosed are glucoside alkyl urethanes composed of units of the formula: A(O—CO—NH—R) 3 wherein A represents a glucosyl unit of a starch hydrolysate molecule, the starch hydrolysate having...
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7462607 |
Therapy-enhancing glucan
This invention provides a composition comprising an effective amount of (1-3),(1-4)-β-glucan derived from barley capable of enhancing efficacy of antibodies. This invention further provides the...
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7456265 |
Carboxylated polysaccharides and method of preparation and use
Chemically modified dicarboxy polysaccharides are described. The modified polysaccharides are useful as a carrier for cosmetics, pharmaceuticals, veterinary products and the like. The modified...
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7402668 |
Process of preparing alkylhydroxyalkylcellulose
A process of preparing alkylhydroxyalkylcellulose (e.g., methylhydroxyethylcellulose and methylhydroxypropylcellulose) by reaction of cellulose in the presence of alkali metal hydroxide with an...
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7345166 |
Water soluble biodegradable polymeric photocatalysts
Novel antenna polymers characterized by a polymeric background of a biodegradable water soluble polymer and chromophores chemically bonded to the polymeric background have been found to be useful...
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7344593 |
Fiber reinforced cement composite materials using chemically treated fibers with improved dispersibility
A fiber-reinforced building material in one embodiment incorporates cellulose fibers that are chemically treated with a dispersant to impart improved dispersibility to the fibers. The fibers are...
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7314743 |
Modified enzymes, methods to produce modified enzymes and use thereof
The invention is directed to modified xylanases having increased stability in harsh industrial environments, such as increased pH and/or temperature.
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7288149 |
Aqueous cement composition
A fresh aqueous cement composition suitable for building purposes is described. It contains, besides a hydraulic cement, a methyl ethyl cellulose ether having a DS methyl of 0.4-2.2, a DS ethyl of...
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7265098 |
Polyacid/polyalkylene oxide gels and methods for their delivery
The present invention relates to improved methods for delivering bioadhesive, bioresorbable, anti-adhesion compositions. Antiadhesion compositions can be made of intermacromolecular complexes of...
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7262181 |
Water soluble cellulose etherified derivatives styptic materials
The present invention relates to hemostatic materials made of water-soluble cellulose ether derivatives, such as methylcellulose, ethylcellulose, hydroxyethylcellulose, and pharmaceutically...
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7247722 |
Polysaccharide aldehydes prepared by oxidation method and used as strength additives in papermaking
Polysaccharide aldehydes are prepared using selective oxidation involving the use of nitroxyl radical mediated aqueous oxidation with a limited amount of oxidant and defined reaction conditions....
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7229977 |
Composition for soluble films with a new hydrolyzed polysaccharide
The invention is concerned with film-forming compositions containing hydrolysates of the exopolysaccharide YAS34 for the use in pharmaceutical, veterinary, food, cosmetic or other products like...
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7208593 |
Self-cross-linked alkyl cellulose
A process for producing a self-cross-linking alkyl cellulose derivative, which includes irradiating, with radioactive rays, a mixture of a starting alkyl cellulose derivative (the number of carbon...
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7135557 |
Hypochlorite free method for preparation of stable carboxylated carbohydrate products
A method of making a carboxylated carbohydrate is disclosed, cellulose being a preferred carbohydrate material. Carboxylated cellulose fibers can be produced whose fiber strength and degree of...
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7115187 |
Method and device for continually producing a suspension of cellulose in an aqueous amine oxide
The invention relates to a method for continually producing a suspension of cellulose in an aqueous tertiary amine oxide. The method includes (a) mixing cellulose and an amine oxide-free aqueous...
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7109325 |
Hypochlorite free method for preparation of stable carboxylated carbohydrate products
A method of making a carboxylated carbohydrate is disclosed, cellulose being a preferred carbohydrate material. Carboxylated cellulose fibers can be produced whose fiber strength and degree of...
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7101996 |
Process for preparing purified fractions of hemicellulose and cellulose-hemicellulose complexes from alkali treated fiber and products made by the process
A process for obtaining purified hemicellulose, cellulose and cellulose-hemicellulose complexes comprising the steps of adding alcohol to caustic liquor from alkali extraction of fiber to...
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7101862 |
Hemostatic compositions and methods for controlling bleeding
The invention provides hemostatic compositions useful to promote hemostasis at active bleeding wound sites. The hemostatic compositions typically include an article containing cellulose, e.g.,...
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7094448 |
Spray pack
Disclosed is a spray pack for use in forming a uniform, stable spray coating, comprising a spray container device and, packed therein, a spraying composition comprising a liquid dispersion medium...
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7074918 |
Cellulosic and lignocellulosic materials and compositions and composites made therefrom
Cellulosic or lignocellulosic materials, and compositions and composites made therefrom, are disclosed.
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7071327 |
Polysaccharide-based superabsorbent film
A superabsorbent polysaccharide can be obtained by crosslinking a polysaccharide or derivative thereof with at least 1% by weight of a flexible spacer having a chain length of at least 9 chain...
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7057032 |
Low moisture process for extracting hemicellulose
The invention concerns a process for extracting hemicellulose from fiber, such as corn fiber. The process comprises agitating at least fiber, caustic and optional added water at a moisture content...
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7026471 |
Purification method of hydroxypropylmethyl cellulose phthalate
The present invention relates to a purification method of hydroxypropylmethyl cellulose phthalate, more particularly to a method of preparing high-purity hydroxypropylmethyl cellulose phthalate...
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7015200 |
Gamma-hydroxybutyrate compositions containing carbohydrate, lipid or amino acid carriers
The present invention provides compositions comprising at least one GHB moiety bonded to at least one physiologically compatible carrier molecule. The compositions can enhance the uptake of the...
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7012139 |
Process of preparing delayed-dissolution cellulose ethers
A process for preparing cellulose ethers having delayed dissolution in water is described. The process comprises: (a) treating a moist cellulose ether with a solution comprising a dialdehyde; (b)...
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7012138 |
Chiral polysaccharide esters, one of the methods for preparing them and their uses for obtaining optically enriched acids or for chiral chromatography
The present invention relates to chiral esters of polysaccharides, preferably of cellulose, amylose, β-cyclodextrin or amylopectin, obtained by reacting, in basic medium, polysaccharides...
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7005514 |
Process for preparing microcrystalline cellulose
A process for producing microcrystalline cellulose comprised of the steps of contacting a paper grade pulp with an alkali hydrolysis agent, washing the hydrolyzed pulp and contacting the hydrolyzed...
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7001939 |
High amylose wheat starch and wheat containing the same
Wheat starch of the present invention is obtained from endosperm of a seed of wheat which is modified to lack starch granule protein-1 (SGP-1). The wheat starch has an apparent amylose content of...
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6987181 |
Oxidized polymeric carbohydrates and products made thereof
The present invention relates to a polysaccharide having functional groups, wherein said groups are aldehyde groups formed at positions C 2 and/or C 3 as well as at position C 6 of the...
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6986828 |
Process for producing low DP microcrystalline cellulose
A process for producing microcrystalline cellulose. The process comprising the following steps:
a) preparation of a pulp by repulping, b) pressing of the pulp obtained in a), c) decompaction...
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6984733 |
Manufacturing process for porous material
A method for the manufacture of a solid porous separation material based on a polysaccharide, said method comprising the steps of: (a) providing an aqueous solution (I) of a polysaccharide, (b)...
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6984730 |
Cellulose acylate and solution thereof
A cellulose acylate which is a polymer obtained by substituting cellulose with acyl groups in 2-, 3-, 6-positions. The total degree of acyl substitution in the 2- and 3-positions is regulated to...
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6982328 |
Methods of producing compounds from plant material
The invention includes methods of processing plant material by adding water to form a mixture, heating the mixture, and separating a liquid component from a solid-comprising component. At least one...
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6960660 |
Water-soluble cellulose ether having improved filtering characteristics and selection method
A water-soluble cellulose ether is selected by judging whether the number of undissolved fibers having a size of 16–200 μm is up to 350 fibers/2 ml in a 0.1 wt % aqueous solution of the...
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6958393 |
Cellulose derivatives having gel-like rheological properties and process for the preparation thereof
A description is given of cellulose derivatives having gel-like rheological properties in aqueous solution characterized in that:
a) cellulose is alkalized with aqueous alkali metal...
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6958227 |
Cellulose produced by filamentous fungi
The present invention relates to a method of producing cellulose comprising the steps of:
(i) culturing filamentous fungus having the ability to produce cellulose; and (ii) recovering...
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6951933 |
Superabsorbent polymer
The present invention provides a polymer derived from a cellulosic, lignocellulosic, or polysaccharide material having superabsorbent properties. Methods for making the polymer and personal care...
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6943154 |
Water insoluble derivatives of polyanionic polysaccharides
A water insoluble, biocompatible composition that is formed by a method which combines, in an aqueous mixture, a polyanionic polysaccharide, a nucleophile, and an activating agent, under conditions...
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6939961 |
Method for the production of low-viscous water soluble cellulose ethers
A process for preparing low-viscosity water-soluble cellulose ethers by the oxidative decomposition of higher-viscosity cellulose ethers with hydrogen peroxide is described. The process involves:...
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6939960 |
Cellulose ethers
A cellulose ether that is predominantly substituted in the C3 position of the anhydroglucose unit of the cellulose is described. In an embodiment of the present invention, the partial degree of...
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RE38792 |
Modified bacterial cellulose
This invention provides a bacterial cellulose comprising ribbon-shaped microfibrils having a thickness of 10 to 100 nm and a width of 160 to 1000 nm or a bacterial cellulose comprising...
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6936710 |
Process for oxidizing primary alcohols
Primary hydroxyl groups in a substrate having both primary and secondary hydroxyl groups can be selectively oxidized to carbaldehyde and/or carboxyl groups by contacting the substrate with a cyclic...
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6933381 |
Method of preparing modified cellulose ether
Process for the production of polysaccharide ethers, e.g. cellulose ethers, are disclosed wherein salts formed during the process, e.g., sodium nitrate or sodium acetate, are converted to their...
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6929884 |
Method for manufacture of films containing insoluble solids embedded in cellulose-based films
A film which slowly releases solids is prepared by dissolving cellulose in a solvent such as an alkali metal salt, for example L 1 Cl in a polar solvent such as DMAC, dispersing the solid in the...
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