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8182839 |
Production of cellulose nanoparticles
The present invention relates to novel nanoparticles based on cellulose and a process for producing them and their use.
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8173021 |
Method for the preparation of sulfated cellulose membranes and sulfated cellulose membranes
The present invention relates to methods for the preparation of functionalized sulfated cellulose membranes. In particular, the present invention relates to the preparation of sulfated cellulose...
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8129359 |
Composition and method for treating post-surgical pain
A composition for reducing pain at a surgical wound site or trauma site comprising oxidized regenerated cellulose and a non-steroidal anti-inflammatory drug or pharmaceutically acceptable salt or...
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8106100 |
Process for producing tablet by high-speed direct compression
A process for producing a tablet characterized by performing high-speed direct compression with a moving speed of a pestle of 800 mm/s or more while compressing a powder which contains at least 15...
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8093376 |
Method for preparation of high enzymatic resistance hydroxyalkylcellulose derivatives
The present invention relates to a process of preparing hydroxyalkyl cellulose derivatives having improved enzymatic resistance. In particular, the present invention relates to a process of...
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8071512 |
Annular fluids and method of emplacing the same
An annular fluid or packer fluid, and methods of making the same, that includes a water-miscible solvent, a viscosifying additive, a crosslinking agent, a crosslinking inhibitor having the facility...
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8053543 |
Filler for optical isomer separation
A polymer compound derivative, obtained by modifying part of the hydroxy or amino groups of a polymer compound having the hydroxy or amino groups with molecules of a compound represented by the...
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8053216 |
Bacterial cellulose-containing formulations
A new method to produce formulations of bacterial cellulose that exhibit improved viscosity-modifying properties particularly with low energy applied to effectuate viscosity changes therewith is...
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8049004 |
Processes for making ethersuccinylated hydroxyl polymers
Processes for making ethersuccinylated hydroxyl polymers are provided.
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8029896 |
Gas barrier material
Provided is a material for gas barrier containing cellulose fibers having an average fiber diameter of not more than 200 nm, wherein the content of the carboxyl group in a cellulose composing the...
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8022136 |
Vulcanized rubber composition, pneumatic tire and the process of producing the same
By using a vulcanized rubber composition containing a rubber component composed of at least any one of a natural rubber, a modified natural rubber and a synthetic rubber, and chemically modified...
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8003623 |
Mixtures of sulfated oligosaccharides
The present invention relates to mixtures of polysaccharides derived from heparin having a mean molecular weight of 1500 to 3000 Daltons and an anti-Xa/anti-IIa ratio greater than 30, their method...
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7977473 |
Use of non-crystalline cellulose as a medicine tablet medium
A non crystalline or low crystallinity cellulose is able to be formed into a medicine tablet medium. A method of making a tablet of non crystalline or low crystallinity cellulose comprises...
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7910209 |
Cellulose granules for carrying functional substances
Cellulose granules small enough such that they can be retained in a cigarette filter and capable of carrying sufficient amounts of volatile functional substance and vaporizing it easily. The...
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7888308 |
Cationic surfactant systems comprising microfibrous cellulose
Cationic surfactant systems, using microfibrous cellulose to suspend particulates therein, are described. Methods of making these systems are also described.
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7838666 |
Water-dispersible cellulose and process for producing the same
A material is provided to give food products sufficient viscosity and stability (heat resistance, stable suspension, etc.). The material is produced from an inexpensive raw material by an...
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7838667 |
Grafting polymerization of guar and other polysaccharides by electron beams
A method of grafting galactomannan-type polysaccharide polymers, preferably guar, to a functional group by irradiation with high energy electron beams in the presence of an unsaturated...
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7829509 |
Annular fluids and method of emplacing the same
An annular fluid or packer fluid, and methods of making the same, that includes a water-miscible solvent, a viscosifying additive, a crosslinking agent, a crosslinking inhibitor having the facility...
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7815741 |
Reactor pump for catalyzed hydrolytic splitting of cellulose
A reactor for hydrolytic splitting of cellulose under high pressure and heat has an inlet and outlet each with a cross-sectional area smaller than the cross-sectional area of the reactor. The...
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7803196 |
Method for modifying fibers
A method for modifying fibers is provided, which method comprises suspending and dispersing in water under shear force a cellulose ether having such a low degree of substitution that a molar degree...
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7745616 |
Bead for enantiomeric isomer resolution and process for producing the same
There is provided a process for producing beads for enantiomeric isomer resolution with a satisfactory separation efficiency. The beads for enantiomeric isomer resolution include a polysaccharide...
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7709631 |
Oxidized microbial cellulose and use thereof
This application describes a bioresorbable biocellulose suitable for medical and surgical applications. In particular, the invention describes periodate oxidized microbial cellulose that can be...
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7699958 |
Method for improving separation of carbohydrates from wood pulping and wood or biomass hydrolysis liquors
A method for separating carbohydrates from pulping liquors includes the steps of providing a wood pulping or wood or biomass hydrolysis pulping liquor having lignin therein, and mixing the liquor...
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7700764 |
Method of preparing microfibrillar polysaccharide
The present invention relates to a method of preparing microfibrillar polysaccharide comprising treating a polysaccharide in an aqueous suspension comprising an oxidant and at least one transition...
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7652131 |
Methods of producing compounds from plant materials
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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7645874 |
Cellulose oxidation by nitrogen dioxide in a perfluorinated tertiary amine solvent
This invention relates to a process for preparing bioabsorbable oxidized cellulose comprising combining cellulose material, with nitrogen dioxide and a nonaqueous solvent chosen from the class of...
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7628888 |
Cellulosic composition
A composition includes at least one hydrophilic polymer containing primary (—NH2) and/or secondary (—NHR) amine groups and at least one saccharide containing a reducible function. A method of inc...
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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 cm3/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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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 a Dextr...
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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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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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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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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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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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