| Patents for C08B 11 - Preparation of cellulose ethers (2,701) |
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| 05/22/2003 | CA2460338A1 Acetoacetylated saccharides and process of making the same |
| 05/21/2003 | EP1194452B1 Process for making cellulose ethers having reduced yellowing and discoloration |
| 05/15/2003 | WO2002083073A3 Cosmetic compositions containing water-soluble polymer complexes |
| 05/15/2003 | US20030091747 Fire-retardant petroleum composition |
| 05/13/2003 | US6562961 Aminoalkyl trialkyl silyl cellulose and a method for coating surfaces |
| 05/06/2003 | US6559300 Biodegradable hydroxyalkyl cellulose-2-hydroxycarboxylic acid ester for use in as a consistency regulator in at least one of foodstuffs, cosmetics, building materials, paints and strippers |
| 05/02/2003 | EP1306134A2 Method and device for mill drying |
| 05/02/2003 | EP1305355A1 Hydrogel films and methods of making and using therefor |
| 05/01/2003 | US20030083204 Using a well treating fluid comprised of water and a water soluble polymer complex fluid loss control additive, such as a copolymer of acrylamido-2-methylpropane sulfonic acid formed in the presence of an ethoxylated hydroxyethyl cellulose |
| 04/30/2003 | CN1413771A Method and equipment of combined grinding and drying |
| 04/26/2003 | CA2409422A1 Process and apparatus for combined milling and drying |
| 04/23/2003 | CN1106403C Cellulose ether and method for fixed biological molecule on coated sheet carrier material |
| 04/23/2003 | CN1106402C Cellulose particles, method for producing them and their use |
| 04/16/2003 | EP1023327B1 Process for the preparation of polysaccharide derivatives having a delayed water solubility |
| 04/16/2003 | EP1017726B1 Laundry detergent compositions with cellulosic based polymers to provide appearance and integrity benefits to fabrics laundered therewith |
| 04/15/2003 | US6548730 Formed via carboxymethylating cellulose fibers with solution of sodium hydroxide, sodium hydroxide, sodium chloroacetate, water, and ethanol |
| 04/15/2003 | US6548660 Powder, by dissolving cellulose acetate for example in an organic solvent comprising a C2-8 ester, a C4-10 ketone, or a C3-6 alcohol, and carbon dioxide (CO2); then removing CO2 and organic solvent from the solution; safe, inexpensive |
| 04/09/2003 | CN1408728A Industrial preparing method and device for methyl hydroxy alkyl cellulose |
| 04/03/2003 | US20030065166 Process and apparatus for the industrial preparation of methylhydroxyalkylcellulose |
| 04/03/2003 | US20030065165 Process of preparing alkylhydroxyalkylcellulose |
| 04/03/2003 | US20030064044 For use in hair or skin care product, such as a shampoo, conditioner, shower gel, bar soap, styling product, or rinse, or a skin care product, such as a cleanser, lotion, or cream |
| 04/01/2003 | US6541614 Polysaccharide derivative |
| 03/20/2003 | US20030055211 Anionic polyelectrolyte; may be mixed with other water soluble anionic polyelectrolyte, especially sodium alginate, to form admixtures or blends from which films, fibers, powders, gels sponges can be prepared |
| 03/19/2003 | EP1293515A1 Process and apparatus for industrially producing methyl hydroxyalkyl cellulose |
| 03/14/2003 | CA2402754A1 Process and apparatus for the industrial preparation of methylhydroxyalkylcellulose |
| 03/11/2003 | US6531593 Method for production of cellulose derivatives and the resulting products |
| 03/06/2003 | WO2003018637A1 Method for producing a cellulose ether of low viscosity by means of acid oxidative decomposition of ground and dried cellulose ethers |
| 03/05/2003 | EP1287038A1 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 |
| 03/04/2003 | US6528644 Acetoacetylated saccharides and process of making the same |
| 03/04/2003 | US6528643 Lipase-catalyzed alcoholysis; cheap starting material; efficiency |
| 02/27/2003 | US20030040622 Method for the preparation of modified cellulose ethers |
| 02/26/2003 | CN1398900A Prepn of alkyl hydroxy alkyl cellulose |
| 02/26/2003 | CN1102068C Process for preparing calcium carboxymethyl cellulose |
| 02/25/2003 | US6525192 Low-substituted hydroxypropyl cellulose and process for producing same |
| 02/25/2003 | US6524653 Adding a hydroxyalkyl cellulose to water, adding ammonium hydroxide, and then adding diammonium phosphate to crosslink the cellulose |
| 02/18/2003 | US6521780 Cycloalkylmalonic ester derivatives as potential active substances in the drugs and crop protection; combinatorial chemistry |
| 02/18/2003 | US6521223 Reacting anionic polymers with divinyl sulfone, neutralizing, then precipitating solids, then hydrating to form water insoluble biocompatible mucopolysaccharides having storage stability used as antiscarring wound healing agents |
| 02/13/2003 | WO2003011960A1 Hydrocolloid compositions and dispersion-bound building material formulations containing said compositions, and dispersion dyes |
| 02/13/2003 | US20030032798 Novel cellulose ethers |
| 02/12/2003 | EP1282647A2 Polysaccharide absorbent and method |
| 02/06/2003 | WO2003010206A1 Polymers and their synthesis |
| 02/06/2003 | US20030027883 Biopolymers obtained by solid state irradiation in an unsaturated gaseous atmosphere |
| 02/06/2003 | US20030027789 Inhibitors against sodium ion absorption, and preventive or therapeutic agents and foods containing the same |
| 02/04/2003 | US6515049 Water-soluble, sulfoalkyl-containing, hydrophobically modified cellulose ethers, process for preparing them, and their use as protective colloids in polymerizations |
| 02/04/2003 | US6514432 Complexing polyanilines with camphorsulfonic acid and polyacrylic acid to form adducts having dimensional stability; used as surface coatings or membranes for separation of enantiomorphs |
| 01/30/2003 | US20030023071 DNA encoding proteins that inhibit Hsp70 function |
| 01/29/2003 | EP1279680A2 Process for preparing alkyl hydroxyalkyl cellulose |
| 01/29/2003 | EP1278780A2 ESTERIFIED POLYSACCHARIDE PRODUCTS AND $g(G)-LACTONE RING OPENED KETENE DIMER PRODUCTS CONTAINING THE COMPOSITIONS, AND PROCESS OF MAKING THE SAME |
| 01/29/2003 | EP1278779A1 Method for the production of easily wetted, water-soluble, powdered at least alkylated non-ionic cellulose ethers |
| 01/21/2003 | US6509461 Process for producing particulate, water-soluble cellulose derivatives |
| 01/20/2003 | CA2393920A1 Process for preparing alkylhydroxyalkylcellulose |
| 01/16/2003 | US20030013871 Electric current in combination with bipolar membrane converts salts into corresponding acids and bases (electrodialysis); removes need for disposal of salts |
| 01/09/2003 | US20030008779 Absence of visible separation of hydroxyethylcellulose and a sulfonic acid functional polymer after standing in ambient solution for 3 months, solubility reading of < 20 nephelometric turbidity units and concentration of 2.5% |
| 01/08/2003 | CN1098276C Cationized hydroxyalkylcellulose and process for producing the same |
| 01/02/2003 | EP1268557A2 Polysaccharide - based superabsorbent film |
| 01/02/2003 | EP0991668B1 Hydrophobically modified anionic cellulose ethers |
| 12/12/2002 | US20020188117 Water-soluble, sulfoalkyl-containing, hydrophobically modified cellulose ethers, process for preparing them, and their use as protective colloids in polymerizations |
| 12/12/2002 | US20020188040 Water-soluble polymer complexes |
| 12/11/2002 | EP1263793A1 Single phase gels for the prevention of adhesions |
| 12/11/2002 | EP1263792A1 Stabilized microfibrillar cellulose |
| 12/03/2002 | US6487788 Continuous process and apparatus for the drying and gel formation of solvent-containing gel-forming polymers |
| 11/28/2002 | WO2002094882A1 Process for preparing alkyl hydroxyalkyl cellulose ethers |
| 11/27/2002 | EP1260522A1 O-alkylated cellulose and process for the preparation thereof |
| 11/19/2002 | US6482940 Cellulose ethers and method for producing the same |
| 11/14/2002 | US20020168407 Process for preparing low-viscosity, aqueous cellulose ether solutions |
| 11/07/2002 | WO2002087643A1 Water soluble cellulose etherified derivates styptic materials |
| 10/31/2002 | WO2002085949A1 Purification method of hydroxypropylmethyl cellulose phthalate |
| 10/30/2002 | EP1252193A1 Water insoluble derivatives of polyanionic polysaccharides |
| 10/24/2002 | WO2002084070A1 Methods of treating subterranean zones penetrated by well bores |
| 10/24/2002 | WO2002083813A1 Compositions for treating subterranean zones penetrated by well bores |
| 10/24/2002 | WO2002083743A1 Water-soluble polymer complexes |
| 10/24/2002 | WO2002083073A2 Cosmetic compositions containing water-soluble polymer complexes |
| 10/24/2002 | US20020156146 Subjecting a solid phase polymer to a dose of gamma irradiation to permit desired reduction; altering viscosity properties; used in ophthalmic surgery and for post-operative adhesion prevention |
| 10/23/2002 | EP1251111A1 Hydraulic composition |
| 10/23/2002 | EP1250359A1 Chitosan condensation products, their preparation and their uses |
| 10/23/2002 | EP0879826B1 Polysaccharide derivatives and hydraulic compositions |
| 10/23/2002 | CN1093136C Polysaccharide derivatives and hydraulic compositions |
| 10/17/2002 | WO2002081524A1 Method for producing low-viscous, aqueous cellulose ether solutions |
| 10/17/2002 | US20020151708 DNA encoding proteins that inhibit Hsp70 function |
| 10/16/2002 | EP1249240A1 Inhibitors against sodium ion absorption, and preventive or therapeutic agents and foods containing the same |
| 10/10/2002 | WO2002079259A1 Use of a quaternary ammonium alkyl hydroxyethyl cellulose ether as a conditioner for hair and skin |
| 10/10/2002 | DE10117208A1 Verfahren zur Herstellung von niederviskosen, wässrigen Celluloseetherlösungen A process for preparing low-viscosity, aqueous cellulose ether solutions |
| 10/03/2002 | US20020139496 Prehydrolyzing hardwood chips with water, kraft cooking, bleaching and caustic treatment |
| 09/25/2002 | EP0587715B1 Water insoluble derivatives of polyanionic polysaccharides |
| 09/24/2002 | US6455661 Papermaking additives and mechanical pulp with primary amino groups |
| 09/19/2002 | WO2002072862A2 New biopolymers obtained by solid state irradiation in an unsaturated gaseous atmosphere |
| 09/19/2002 | CA2440863A1 New biopolymers obtained by solid state irradiation in an unsaturated gaseous atmosphere |
| 09/12/2002 | WO2002071155A1 Thermosetting anti-reflective coatings comprising aryl urethanes of hydroxypropyl cellulose |
| 09/11/2002 | EP1237931A1 Low-viscous cellulose ethers that flocculate in hot water, method for the production thereof and their use |
| 09/11/2002 | EP0994734B1 Absorbent polymer material based on renewable starting materials |
| 09/06/2002 | WO2002068101A1 Process for recovering cellulose ethers from aqueous solutions via enhanced shear ultrafiltration |
| 09/06/2002 | CA2435007A1 Process for recovering cellulose ethers from aqueous solutions via enhanced shear ultrafiltration |
| 09/04/2002 | EP1236741A1 Process for recovering cellulose ethers from aqueous solutions via enhanced shear ultrafiltration |
| 09/04/2002 | EP1151014B1 Anionic cellulose ethers having temperature-dependent associative properties |
| 08/22/2002 | US20020112361 Continuous process and apparatus for the drying and gel formation of solvent-containing gel-forming polymers |
| 08/14/2002 | EP1230456A4 Cellulose ethers and method of preparing the same |
| 08/14/2002 | EP1230456A1 Cellulose ethers and method of preparing the same |
| 08/13/2002 | US6433161 Galactosylated hydroxyalkyl polysaccharides |
| 08/08/2002 | WO2002060971A1 Crosslinked polysaccharide sponge |
| 08/08/2002 | US20020106747 Esterified polysaccharide products and beta-lactone ring opened ketene dimer products containing the compositions, and process of making the same |