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WO/2010/117781A1 |
The present application relates to processes for imparting improved properties to carboxymethyl cellulose, for example, a process for producing an aqueous dispersible carboxymethyl cellulose is described, comprising introducing carboxyme...
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WO/2010/101667A1 |
The present invention relates to a process for the production of alkali cellulose for the production of alkali cellulose and, optionally, cellulose ethers from cellulose in the presence of alkali and, if applicable, with alkylating and/o...
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WO/2010/095674A1 |
Provided is a method for producing a hydroxyalkyl cellulose, which is a method for producing, easily and at low cost, a hydroxyalkyl cellulose having excellent transparency and capable of providing a highly viscous aqueous solution and c...
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WO/2010/076392A1 |
Particles of a polysaccharide derivative, having at least one substituent with conjugated unsaturated bonds and exhibiting an index of refraction in excess of 1.50 and a method for the production thereof. In the method, the raw-material ...
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WO/2010/071462A1 |
Synthetic peptides mimicking urease, said peptides comprising structures with general formula: when: R1 means BK-61A: H2N-Ser-Ile-Lys-Glu-Asp-Val-Gln-Phe-; R2 means BK-61B: H2N-Cys-His-His-Leu-Asp-Lys-Ser-Ile-Lys-Glu-Asp-Val-Gln- Phe-Ala...
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WO/2010/061225A2 |
This invention relates to absorbent materials useful in the manufacture of absorbent articles, in particular dressings for the advanced wound care market. The absorbent materials of the present invention are sulfonated polysaccharides, p...
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WO/2010/043307A1 |
The present invention relates to a process for the preparation of a water-moist cellulose ether composition, characterized in that water-soluble polymeric additives which contain anionic groups (WSAP), or corresponding additive mixtures,...
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WO/2010/038711A1 |
Disclosed is a cellulose derivative having good thermal plasticity, strength and elongation at break and is suitable for molding. Also disclosed is a resin composition. The cellulose derivative is produced by substituting at least some ...
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WO/2010/017275A1 |
Absorbent products for feminine protection, for example sanitary pads, pantiliners or tampons, comprising a cationic modified guar gum. The guar gum is modified by a cationizing agent comprising an ammonium group, wherein the degree of s...
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WO/2010/016543A1 |
Provided is an additive for a hair cosmetic that imparts a supple finished texture, which comprises a graft copolymer obtained by graft copolymerizing a cationic water-soluble monomer and a nonionic water-soluble monomer in an aqueous so...
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WO/2009/144372A1 |
The invention relates to a process for producing a pigment product from a cellulose derivative. According to the invention, a selected cellulose derivative containing at least one OH group is crosslinked by using a hydroxyl-active crossl...
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WO/2009/123148A1 |
Provided are hydrophilic cellulose derivative fine particles having small particle diameters; fluid dispersions of the particles and solid dispersions thereof; and diagnostic drugs which comprise hydrophilic particles and which are excel...
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WO/2009/111022A1 |
Hydrophobically modified polysaccharide compositions, articles incorporating the compositions, and methods for cell culture, automatic release of cells, and release of cell culture coating from a substrate or the cell culture articles in...
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WO/2009/106687A1 |
A transglycosylation product, a method of producing the same and use of the product. The transglycosylation product comprises an alkyl or hydroxyalkyl glycoside of a cellulose ester or ether, wherein the alkyl or hydroxyalkyl groups of t...
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WO/2009/084452A1 |
Disclosed is a method for efficiently producing a methyl cellulose by a commercially simple process. Specifically disclosed is a method for producing a methyl cellulose, wherein a cellulose is reacted with methanol in a subcritical state.
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WO/2009/081881A1 |
Disclosed is a cellulose fiber composite having high transparency, low water absorption and low linear expansion coefficient. Specifically disclosed is a fiber composite containing fibers having an average fiber diameter of not more than...
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WO/2009/078492A1 |
Disclosed is a cellulose derivative which is obtained by substituting a part of a plurality of carboxyl groups in a carboxymethyl cellulose, which is a cellulose derivative, with -CO-NH-X-CO-Y-Z. Also disclosed is a hydrogel of the thus-...
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WO/2009/070168A1 |
The throughput of a reactor for producing alkali cellulose and/or a cellulose derivative can be increased by using a granulated cellulose-based material for the preparation of alkali cellulose and/or a cellulose derivative. Cellulose der...
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WO/2009/063856A1 |
Disclosed is a method for selectively producing a cellulose ether derivative, which is extremely high in reaction efficiency of an organic halide compound. Specifically disclosed is a method for producing a cellulose ether derivative suc...
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WO/2009/061815A1 |
The present disclosure is directed to methods for producing a very low viscosity cellulose ether having little or no discoloration and cellulose ether products resulting therefrom. The method includes contacting a cellulose ether with an...
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WO/2009/059686A1 |
The invention relates to innovative cellulose derivatives with low surface swelling in aqueous suspension, with high relative high-shear viscosity, and with high thermal flocculation point in water, and also to their use in building-mate...
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WO/2009/054373A1 |
Disclosed is a commercially efficient and simple method for producing a cellulose ether derivative, wherein a low crystalline powder cellulose is reacted with an epoxy compound in the presence of a catalyst.
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WO/2009/022358A1 |
The invention relates to a method for the preparation of a superabsorbent polymer hydrogel, comprising crosslinking a precursor comprising a carboxymethylcellulose salt optionally in combination with hydroxyethylcellulose, using citric a...
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WO/2009/018876A1 |
The present invention relates to a composition for a gypsum- setting building material system, wherein an alkylhydroxyalkylcellulose (AHAC) is treated with a crosslinking agent being present in addition to ingredients of a gypsum mix, an...
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WO/2008/122345A1 |
The present invention relates to the preparation of methylhydroxypropylcellulose (MHPC) and the use thereof in mineral -bound building material systems, preferably in gypsum-bound building material systems, particularly preferably in gyp...
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WO/2008/122344A1 |
The present invention relates to the preparation of methylhydroxyethylhydroxypropylcellulose (MHEHPC) and the use thereof in mineral-bound building material systems, preferably gypsum-bound building material systems, particularly prefera...
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WO/2008/096894A1 |
Disclosed are: a cellulose derivative having a repeating unit represented by the formula below; a composition comprising the cellulose derivative and a phospholipid; a method for production of the cellulose derivative or the composition;...
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WO/2008/090085A1 |
The invention relates to a process for preparing a cellulose ether wherein the cellulose ether is prepared in the presence of an ether of the formula R1- O-R2 having a boiling point between 40 and 90°C, or of a solvent mixture comprisin...
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WO/2008/078797A1 |
A sodium absorption inhibitor, a potassium absorption inhibitor, and a phosphorus absorption inhibitor, each of which contains as an active ingredient, a metal salt of a cross-linked cellulose derivative represented by the following gene...
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WO/2008/078795A1 |
Disclosed is a metal salt of a crosslinked cellulose derivative represented by the general formula (I) below, wherein the substitution degree of hydroxy groups in the glucose units of the crosslinked cellulose derivative by a functional ...
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WO/2008/067930A1 |
The present invention relates to a novel process for preparing cellulose ethers which have a particularly low proportion of fine dust and a compressibility which is particularly advantageous for the pressing of tablets.
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WO/2008/050209A1 |
A composition for manufacture of hard hydroxypropyl methyl cellulose capsules comprising a film forming material of hydroxypropyl methyl cellulose having a methoxy content of 27.0-30.0% (w/w), and a hydroxypropoxy content of 4.0 - 7.5% a...
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WO/2008/034176A1 |
The present invention relates to a process for preparing a cross-linked polysaccharide gel comprising contacting a polysaccharide with a cross-linking agent and a masking agent to form a cross-linked polysaccharide gel having resistance ...
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WO/2008/028523A1 |
The present invention relates to a novel process for removing and purifying polysaccharide derivatives, preferably cellulose ethers, from a suspension using a continuous filter device with a multitude of working zones with intermediate r...
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WO/2008/003643A1 |
The present invention describes a method for producing acetals of poly-, oligo- or disaccharides by dissolving them in at least one ionic liquid and then reacting them with a vinylether. The resulting acetalized poly- or oligosaccharides...
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WO/2007/145709A1 |
A process for reducing the average molecular weight of a cellulose ether comprises the step of contacting a cellulose ether with an acid to partially depolymerize it to a lower molecular weight in a diluent comprising at least 50 weight ...
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WO/2007/142097A1 |
Disclosed is an aluminum salt-containing resin powder comprising at least one matrix resin component selected from regenerated collagen, polyvinyl alcohol and carboxy methyl cellulose and an aluminum salt, wherein the aluminum salt is ch...
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WO/2007/136472A1 |
The present invention refers to the use of screens comprising at least two layers of different mesh or pore size in a cellulose powder preparation method as well as to said method, wherein grinding the cellulose pulp and sieving the obta...
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WO/2007/131336A1 |
This invention relates to iodonium salts, acetal copolymers and polymer binders comprising functional groups capable of undergoing cationic or radical polymerization, their method of preparation and their use in the preparation of coatin...
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WO/2007/123187A1 |
Disclosed is a pharmaceutical composition having a prophylactic or therapeutic effect on a conformational disease such as Alzheimer's disease, prion disease and amyloidosis. The pharmaceutical composition comprises, as an active ingredie...
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WO/2007/078015A1 |
The present invention relates to a method for preparin hydroxyalkylalkylcellulose with high yield, more particularly to a method for preparing hydroxyalkylalkylcellulose with high yield, with at least 60 % of alkoxy and hydroxyalkoxy sub...
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WO2006070337A9 |
The invention relates to a method for the preparation of a superabsorbent polymer hydrogel, comprising the steps of (i) crosslinking a 3% overall aqueous solution of carboxymethylcellulose sodium salt and hydroxyethylcellulose with 5% ca...
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WO/2007/070135A1 |
The present invention relates to compounds which are capable of exerting an inhibitory effect on the Na+ glucose cotransporter SGLT in order to hinder glucose and galactose absorption, as well as on lipase thus reducing dietary triglycer...
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WO/2007/023513A1 |
A process for producing a cellulose derivative which has improved solubility and which, when dissolved in water, leaves an extremely small amount of a suspending matter remaining undissolved. The process for cellulose derivative producti...
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WO/2007/006848A1 |
The invention relates to a method for preparing a starch ether. The method comprises mixing cellulose with an ionic liquid solvent to dissolve the starch, and then treating the dissolved starch with an etherifying agent in the presence o...
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WO/2006/107294A1 |
A composition of a loose mass of comminuted raw cotton linter fibers has a bulk density of at least 8 g/100 ml and at least 50 % of the fibers in the mass passes through a US standard sieve size &num 10 (2 mm opening). This composition i...
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WO/2006/094211A1 |
This invention relates to water-soluble hydroxyethylcelluloses (HECs) and derivatives thereof having a hydroxyethyl molar substitution (HE- MS) from about 0.7 to 1.3. These HECs are more efficient in thickening aqueous systems than prior...
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WO/2006/088953A1 |
This invention relates to non-uniformly substituted ('blocky') hydroxyethylcelluloses (HECs) and derivatives thereof that exhibit associative behavior in both neat solutions and in filled systems. The HECs and derivatives thereof exhibit...
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WO/2006/081955A1 |
The invention relates to a method for producing cellulose ethers which have, compared to know cellulose ethers, a higher bulk density and a more even particle size distribution. Said method consists of pressing the cellulose ethers throu...
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WO/2006/062268A1 |
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 preparing hydroxyalkyl cellulose derivatives by...
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