| Patents for C08B 11 - Preparation of cellulose ethers (2,701) |
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| 08/07/2002 | EP1229050A2 Water insoluble derivatives of polyanionic polysaccharides |
| 08/07/2002 | EP0831856B1 Use of hydroxyethyl starch to prevent post surgical adhesion and as an intracavity carrier device |
| 08/01/2002 | US20020103368 Cellulose ethers and method of preparing the same |
| 08/01/2002 | US20020103160 Self-cross-linking alkyl cellulose derivative, production process therefor, and use thereof |
| 07/25/2002 | US20020099203 Processes for the production of alkali cellulose and cellulose ether |
| 07/24/2002 | CN1360651A Cellulose ethers and method of preparing same |
| 07/11/2002 | US20020090462 Use of carboxymethyl cellulose acetate butyrate as a precoat or size for cellulosic man-made fiber boards |
| 07/04/2002 | US20020086938 Converting the hydroxyl groups on the natural fiber into the corresponding salified alcoholate groups, grafting on alcoholate groups functionalized polyether containing a leaving group that favors nucleophilic substitution |
| 07/04/2002 | US20020084047 Treating the pulp with a hemicellulase, and chemically modifying the treated pulp, especially by etherification. |
| 06/27/2002 | WO2002026835A3 Method for modifying cellulose ethers |
| 06/25/2002 | US6410713 Nucleotide sequences coding chaperone protein for use in the prevention and treatment of cancer, stress and heart defects |
| 06/12/2002 | CN1353720A Process for making cellulose ethers having reduced yellowing and discoloration |
| 06/11/2002 | US6403787 Injection molding materials |
| 05/30/2002 | WO2002042334A1 Method for purifying non-ionic alkyl cellulose ethers |
| 05/23/2002 | DE10057799A1 Purifying non-ionic alkyl-cellulose ether for use, e.g. in tablet coating or film production, involves dissolving in suitable solvent, removing residues and separating purified product from solvent |
| 05/22/2002 | EP1206252A1 Amplification of folate-mediated targeting to tumor cells using polymers |
| 05/22/2002 | EP1206251A1 Amplification of folate-mediated targeting to tumor cells using nanoparticles |
| 05/21/2002 | US6392035 Active celulose; for use in generating matrices |
| 05/16/2002 | WO2002018448A3 Percarboxylated polysaccharides, and a process for their preparation |
| 05/16/2002 | WO2002006348A3 Molecular weight reduction of polymer using irradiation treatment |
| 05/16/2002 | US20020058714 Base material for dry direct tableting comprising low-substituted hydroxypropyl cellulose |
| 05/14/2002 | US6388069 Heating aqueous mixture of corn fiber and liquid, contacting with protease, separating, contacting with alkaline extractant to form insoluble cellulose and liquid with arabinoglycan, separating, concentrating liquid |
| 05/10/2002 | WO2002036637A1 Use of carboxymethyl cellulose acetate butyrate |
| 05/10/2002 | WO2002036636A1 Cellulose ethers and method of preparing the same |
| 05/10/2002 | WO2002036272A1 Cellulose-based fire retardant composition |
| 05/10/2002 | CA2427698A1 Cellulose ethers and method of preparing the same |
| 05/10/2002 | CA2427581A1 Cellulose-based fire retardant composition |
| 05/07/2002 | US6384011 Laundry detergent compositions with cellulosic based polymers to provide appearance and integrity benefits to fabrics laundered therewith |
| 05/07/2002 | US6383344 Reducing molecular weight; using gamma rays |
| 05/07/2002 | US6381866 Continuous process and apparatus for the drying and gel formation of solvent-containing gel-forming polymers |
| 04/30/2002 | US6380381 Granulation |
| 04/25/2002 | US20020049183 Phospholipids, espeically phosphatidylethanolamines, covalently bound to physiologically acceptable monomers or polymers. |
| 04/16/2002 | US6372902 Reacting cellulose ether with alkyl-aryl hydrophobe-containing glycidyl ether compound having one aryl ring and total of from about 10 to 24 carbon atoms |
| 04/16/2002 | US6372901 Polysaccharides with alkyl-aryl hydrophobes and latex compositions containing same |
| 04/11/2002 | WO2001087365A3 Polysaccharide absorbent and method |
| 04/10/2002 | EP1194452A1 Process for making cellulose ethers having reduced yellowing and discoloration |
| 04/04/2002 | WO2002026835A2 Method for modifying cellulose ethers |
| 04/04/2002 | US20020038633 Pet waste-absorbing granular material and cellulose ether therefor |
| 04/03/2002 | EP1192942A2 Base material for dry direct tableting comprising low-substituted hydroxypropyl cellulose |
| 04/03/2002 | CN1343222A Cellulose-based associative thickeners having high ICI viscosity |
| 03/28/2002 | US20020038018 Process for preparing alkylhydroxyalkyl cellulose |
| 03/27/2002 | EP1191039A1 Polysaccharide derivative |
| 03/26/2002 | US6362238 Nonionic cellulose ether with improved thickening properties |
| 03/21/2002 | WO2001085800A3 Esterified polysaccharide products and η-lactone ring opened ketene dimer products containing the compositions, and process of making the same |
| 03/20/2002 | EP1188772A2 Ligand-modified cellulose products |
| 03/20/2002 | EP1005495B1 Aminoalkyl trialkyl silyl cellulose and a method for coating surfaces |
| 03/20/2002 | EP0948559B1 Cellulose sponges |
| 03/20/2002 | CN1341125A process for selectively oxidizing cellulose |
| 03/13/2002 | EP1037928B1 Multi-cationic polymers |
| 03/12/2002 | US6354913 Abrasive and method for polishing semiconductor substrate |
| 03/07/2002 | WO2002018448A2 Percarboxylated polysaccharides, and a process for their preparation |
| 03/07/2002 | US20020026992 Useful in production of paper blends containing portion of mechanical pulp as retention aid and strength additive |
| 03/07/2002 | DE10041311A1 Modifying cellulose ether useful e.g. as thickener in sprayable plaster compositions, by mixing with polymeric additive in suspension or solution, then drying |
| 03/06/2002 | CN1338474A Preparation of alkylhydroxyalkyl cellulose |
| 03/05/2002 | US6352845 Forming monosaccharide by hydrolysis |
| 02/21/2002 | DE10038978A1 Verfahren zur Herstellung von Alkylhydroxyalkylcellulose A process for preparing alkylhydroxyalkyl cellulose |
| 02/20/2002 | EP1180532A1 Pet waste-absorbing granular material and cellulose ether therefor |
| 02/20/2002 | EP1180526A1 Process for the preparation of alkyl hydroxyalkyl cellulose |
| 02/13/2002 | CN1335856A Derivatized microfibrillar polysaccharide |
| 02/07/2002 | US20020016452 Soaking wood pulp in sodium hydroxide to produce alkali cellulose which is reacted with propylene oxide, the product is dissolved in water, precipitated, neutralized with acetic acid, washed, dried and grinded; pharmaceutical excipients |
| 02/06/2002 | EP0873364B1 Method for producing cellulose derivatives |
| 02/06/2002 | CN1334822A Method for production of low-viscous water-soluble cellulose ethers |
| 01/24/2002 | WO2002006373A1 Hydrogel films and methods of making and using therefor |
| 01/24/2002 | WO2002006348A2 Molecular weight reduction of polymer using irradiation treatment |
| 01/24/2002 | CA2416698A1 Hydrogel films and methods of making and using therefor |
| 01/23/2002 | EP1173487A1 Haze-free cellulose ether capsules and process for making |
| 01/23/2002 | CN1332818A Kraft wood fibers for carboxyalkyl cellulose |
| 01/16/2002 | EP1171471A1 Enhanced gel strength methylcellulose |
| 01/09/2002 | EP1170415A1 Chemical modification of the surface of natural fibres |
| 12/20/2001 | WO2001068713A3 Polysaccharide - based superabsorbent film |
| 12/12/2001 | EP1161458A1 Malatyl polysaccharides, their production and their use |
| 12/05/2001 | CN1325409A Cross-linking process for carboxylated polysaccharides |
| 12/05/2001 | CN1325312A Muco-adhesive polymers, use thereof and method for producing the same |
| 11/22/2001 | WO2001087984A1 Modified cellulose ethers, obtainable by reaction of cellulose ethers carrying free hydroxy groups with di- and/or polycarboxylic acids and the use of catalysts, and method for producing the same |
| 11/22/2001 | WO2001087365A2 Polysaccharide absorbent and method |
| 11/21/2001 | EP1155104A2 Corn fiber for the production of advanced chemicals and materials |
| 11/21/2001 | EP1155039A1 Process for selective oxidation of cellulose |
| 11/20/2001 | US6320043 Generating polysaccharide particles; form liquid solution composed of polysaccharides, separate liquid into solid particles, dry solid particles |
| 11/15/2001 | WO2001085800A2 Esterified polysaccharide products and η-lactone ring opened ketene dimer products containing the compositions, and process of making the same |
| 11/15/2001 | DE10023540A1 Production of modified cellulose ethers comprises reacting cellulose ethers with di- or polyfunctional carboxylic acids activated by reaction with nitrogen-containing compounds |
| 11/15/2001 | CA2406686A1 Esterified polysaccharide products and .gamma.-lactone ring opened ketene dimer products containing the compositions, and process of making the same |
| 11/14/2001 | EP1153040A1 Method for the production of low-viscous water-soluble cellulose ethers |
| 11/14/2001 | CN1322215A Production of polysaccharide ethers |
| 11/08/2001 | US20010039336 Water insoluble derivatives of polyanionic polysaccharides |
| 11/07/2001 | EP1151014A1 Anionic cellulose ethers having temperature-dependent associative properties |
| 11/06/2001 | US6313287 Water-soluble, sulfoalkyl-containing, hydrophobically modified cellulose ethers, processes for preparing them, and their use in emulsion paints |
| 10/31/2001 | EP1148886A2 Use of a polyanionic polysaccharide solution for the prevention of abscess formation |
| 10/25/2001 | WO2000047701A9 Corn fiber for the production of advanced chemicals and materials |
| 10/25/2001 | US20010034441 Feed composition of swollen and/or dissolved cellulose ether,high rotational speed gas jet impact mill, grinding, thermal flocculation point |
| 10/25/2001 | US20010033941 Building material compositions |
| 10/25/2001 | DE10018155A1 Verfahren zur Herstellung von gut benetzbaren, wasserlöslichen, pulverförmigen, mindestens alkylierten, nicht-ionischen Celluloseethern A process for preparing highly wettable, water-soluble, powdery, at least alkylated, nonionic cellulose ethers |
| 10/24/2001 | EP0996640B1 Method for producing cellulose derivatives |
| 10/24/2001 | EP0954536B1 Process for preparing fine-particle polysaccharide derivatives |
| 10/23/2001 | US6306333 Process for making cellulose ethers having reduced yellowing and discoloration |
| 10/18/2001 | WO2001077183A1 Method for the production of easily wetted, water-soluble, powdered at least alkylated non-ionic cellulose ethers |
| 10/18/2001 | US20010031428 Made by reacting a hydroxyalkyl cellulose with an aryl isocyanate such as phenyl isocyanate; coatings have high etch rate and optical density |
| 10/17/2001 | EP1144756A1 Kraft wood fibers for carboxyalkyl cellulose |
| 10/17/2001 | CN1318071A Nonionic cellulose ether with improved thickening properties |
| 10/10/2001 | EP1141029A1 Process and apparatus for making cellulose ethers |
| 10/04/2001 | EP1137670A1 Cross-linking process of carboxylated polysaccharides |