Patents for C08B 11 - Preparation of cellulose ethers (2,701) |
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08/29/1990 | EP0384167A1 Polysaccharides with alkaryl or aralkyl hydrophobes and latex compositions containing same |
08/29/1990 | EP0384046A1 Grinding process for high viscosity cellulose ethers |
08/28/1990 | US4952684 Stable aminated cellulose derivatives for thickeners, emulsifiers biochemical immobilization, sequestering of metals |
08/16/1990 | EP0382578A2 Substitution of degraded cellulose derivatives for high calorie ingredients in foods |
08/16/1990 | EP0382577A1 Enzymatic cellulose derivative hydrolysate |
08/16/1990 | EP0382576A1 Cellulose derivative hydrolysate and fractions thereof |
08/10/1990 | CA2009677A1 Substitution of degraded cellulose derivatives for high calorie ingredients in foods |
08/10/1990 | CA2009676A1 Cellulose derivative hydrolysate and fractions thereof |
08/08/1990 | CN1009094B Prodn. of sodium carboxy methylcellulose |
07/25/1990 | EP0167488B1 Ionically modified polysaccharides, process for their preparation and their use |
07/23/1990 | CA2008240A1 Removal of undesirable material from water-soluble polymer solution |
07/17/1990 | US4941943 Process for preparing sodium carboxy-methyl cellulose |
07/11/1990 | EP0377518A2 Sustained release pharmaceutical composition |
07/10/1990 | US4940785 Method of preparing cellulose ethers containing tertiary or quaternary nitrogen |
07/03/1990 | US4939192 Building composition containing 3-alkoxy-2-hydroxypropylhydroxyethyl cellulose |
06/27/1990 | EP0374633A2 Method for the preparation of esters of carboxyalkyl polysaccharides |
06/20/1990 | EP0374125A2 Soil-conditioning agent |
05/30/1990 | EP0370447A1 Method and apparatus for the product-reserving milling and simultaneous drying of moist cellulose ethers |
05/29/1990 | US4929670 Glass sizing compositions |
05/25/1990 | CA2003771A1 Process and equipment for careful grinding and simultaneous drying of moist cellulose ether products |
05/08/1990 | US4923979 Cellulose carbamate products of lowered carbamate content |
05/08/1990 | CA1268714A1 Use of an aqueous chlorite matrix solution for the treatment of tumors |
04/17/1990 | US4918180 Preparation of cellulose ethers |
04/11/1990 | EP0362769A1 Mixed hydrophobe polymers |
02/27/1990 | US4904772 Mixed hydrophobe polymers |
02/21/1990 | CN1039811A Hydroxypropyl methyl cellulose ethers useful as snspending agents for suspension polymerigation of vinyl chloride and as thickening agents for organic liquids |
02/20/1990 | US4902733 Aqueous protective coating composition comprising 3-alkoxy-2-hydroxypropylhydroxyethylcellulose and film forming latex |
02/07/1990 | EP0353789A1 Hydroxypropyl methyl cellulose ethers useful as thickening agents for organic liquids |
01/24/1990 | EP0351629A2 Process and device for separating and keeping various solvents separated |
01/16/1990 | US4894448 Process for the preparation of low-viscosity cellulose ethers |
12/26/1989 | US4889562 Color strength |
12/05/1989 | CA1263646A1 Synthetic homo- and heteropolysaccharides and a method for the preparation thereof |
11/23/1989 | EP0342557A1 New polysaccharide esters |
11/16/1989 | WO1989010941A1 Cross-linked carboxy polysaccharides |
11/16/1989 | WO1989010940A1 New polysaccharide esters |
11/15/1989 | EP0341745A1 Crosslinked carboxy polysaccharides |
10/31/1989 | US4877617 Coating with solution of quaternary ammonium salt of alginic acid or cmc in removable solvent; households, medicine, industry |
09/08/1989 | WO1989008119A1 High molecular weight prodrug derivatives of anti-inflammatory drugs |
09/06/1989 | EP0331471A1 High molecular weight prodrug derivatives of antiinflammatory drugs |
08/30/1989 | CN1005059B Hydroxypropyl methyl cellulose ethers as suspending agents for suspension polymerization of vinyl chloride |
08/29/1989 | US4861874 Method of lowering the carbamate content of cellulose carbamate products using a base/alkali metal salt mixture |
08/09/1989 | EP0326939A2 Process for isolating cellulose ethers from a suspension |
07/04/1989 | USRE32976 Resistance to enzymatic degradation |
07/04/1989 | US4845207 3-alkoxy-2-hydroxypropylhydroxyethylcellulose and building composition containing the same |
07/04/1989 | US4845206 Production of cellulose ethers using a premix of alkali and etherifying agent |
06/14/1989 | EP0319867A2 Method for the preparation of sulfoethyl cellulose with excellent solution characteristics |
06/14/1989 | EP0319865A2 Carboxymethyl sulfoethyl cellulose and process for its preparation |
06/13/1989 | US4839449 Sizing composition for glass |
05/24/1989 | EP0316492A1 Polymeric matrix for affinity chromatography and immobilization of ligands |
05/17/1989 | EP0212625B1 Process for preparing low-viscosity cellulose ethers |
05/10/1989 | CN1032796A Carboxymethyl hydrophobically modified hydroxyethylcellulose (cmhmhec) and its use in protective coating compositions |
05/03/1989 | EP0314063A2 Polysaccharides containing aromatic aldehydes and their derivatization via amine-aldehyde interactions |
05/02/1989 | US4826970 Carboxymethyl hydrophobically modified hydroxyethylcellulose |
04/12/1989 | EP0310787A2 Process for preparating cellulose ethers containing tertiary or quaternary nitrogen |
04/11/1989 | US4820813 Impacing particles with high speed air swept impact mill |
03/22/1989 | EP0307915A2 Carboxymethyl hydrophobically modified hydroxyethylcellulose (cmhmhec) and use of cmhmhec in protective coating compositions |
03/08/1989 | EP0305899A2 Process for the purification of cellulose ethers |
03/08/1989 | EP0305898A2 Process for the isolation and purification of cellulose ethers and other derivatives of cellulose |
03/01/1989 | EP0304454A1 Improved cellulose ether and its manufacture |
02/14/1989 | US4804769 Paper additives |
01/31/1989 | CA1249585A1 Cationic cellulose product and method for its preparation |
01/31/1989 | CA1249584A1 Method for preparation of cationic cellulose |
01/25/1989 | CN1030590A 3-alkoxy-2-hydroxypropyl derivatives of cellulose and use thereof in building compositions |
01/18/1989 | CN1030427A Procedure for lowering carbamate content of products made of cellulose carbamate, and products made by procedure |
12/21/1988 | EP0296107A2 Organic pigments coated with reticulated ethyl cellulose |
12/21/1988 | EP0295628A2 3-Alkoxy-2-hydroxypropyl derivatives of cellulose and use thereof in building compositions |
12/13/1988 | CA1246555A1 Polysaccharides, methods for preparing such polysaccharides and fluids utilizing such polysaccharides |
11/29/1988 | US4788280 Polysaccharide derivatives containing aldehyde groups on an aromatic ring, their preparation from the corresponding acetals and use in paper |
11/23/1988 | EP0292242A2 Process for the production of cellulose ethers |
11/02/1988 | CN88101790A New method for producing sodium carboxymethylcellulose |
09/28/1988 | EP0283951A1 Polysaccharide derivatives containing aldehyde groups, their preparation from the corresponding acetals and use in paper |
09/22/1988 | WO1988007059A1 Improved cellulose ether and its manufacture |
08/03/1988 | EP0276797A2 Process for preparing sodium carboxy-methyl cellulose |
07/26/1988 | US4760135 Phloretin and phlorizin derivative containing compounds |
07/05/1988 | USH493 Alkylsulfonated polysaccharides and mortar and concrete mixes containing them |
06/28/1988 | US4753983 Polymeric matrix for affinity chromatography and immobilization of ligands |
06/21/1988 | CA1238317A1 Preparation of water-soluble mixed cellulose ethers |
05/10/1988 | CA1236453A1 Organo-soluble c.sub.3-c.sub.4 hydroxyalkyl ethyl cellulose ethers |
05/10/1988 | CA1236452A1 Process for preparing cellulose ethers |
05/03/1988 | US4741804 Polysaccharide derivatives containing aldehyde groups, their preparation from the corresponding acetals and use as paper additives |
04/27/1988 | EP0265088A1 Improvement in the preparation of cellulose ethers |
04/07/1988 | WO1988002375A1 Improvement in the preparation of cellulose ethers |
03/15/1988 | US4731162 Polysaccharide derivatives containing aldehyde groups for use as paper additives |
03/02/1988 | EP0257536A2 Process for the treatment of water soluble cellulose derivatives having high cloud points |
12/29/1987 | CA1230861A1 Method and material for the restraint of polar organic liquids |
10/28/1987 | EP0243151A2 Modified microbially-produced cellulose gel and complex thereof with animal cell |
10/27/1987 | US4703116 Wet strength, dry strength |
10/20/1987 | CA1228351A1 Ionically modified cellulose material, its preparation and its use |
09/29/1987 | US4697008 Production of water-insoluble alkali metal salts of carboxyalkyl cellulose |
09/15/1987 | US4694077 Novel cellulose derivative, process for preparing the same and sulfur dioxide gas permselective membrane comprising the same |
09/15/1987 | CA1226997A1 Amine salts and products containing them |
09/08/1987 | US4692254 Crosslinked gel, polysaccharide and zirconium compound |
09/01/1987 | US4691013 Process for production of modified hydroxyethyl cellulose |
09/01/1987 | CA1226383A1 Gels formed from anionic and cationic polymers |
08/25/1987 | US4689408 Etherifying cotton or wood pulp with chloracetic acid; disposable diapers, surgical dressings |
08/19/1987 | EP0232851A2 Polysaccaride derivatives containing aldehyde groups, corresponding acetals and use as paper additives |
07/28/1987 | US4683068 Fracturing of subterranean formations |
06/23/1987 | US4675394 Polysaccharide derivatives containing aldehyde groups, their preparation from the corresponding acetals and use as paper additives |
06/09/1987 | US4672113 Process for purifying aqueous distillation residues during the treatment of liquids in the preparation of cellulose ethers |
05/26/1987 | US4668396 Dialysis membrane of modified cellulose with improved biocompatibility |