| Patents for C08B 15 - Preparation of other cellulose derivatives or modified cellulose (3,279) |
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| 08/10/1993 | US5234915 Biodegradable gel |
| 07/28/1993 | EP0552824A2 Alkyl-phenylcarbamate derivative of polysaccharide |
| 07/20/1993 | US5229506 Preparation of cellulose aminomethanate |
| 07/20/1993 | US5229002 Separation agent comprising acyl- or carbamoyl-substituted polysaccharide |
| 07/13/1993 | US5226480 Well stimulation, enhanced oil recovery, subterranean fluid containment |
| 06/30/1993 | EP0548399A1 Process for the production of oxyacids from carbohydrates |
| 06/24/1993 | CA2065492A1 Process for the production of oxyacids from carbohydrates |
| 06/09/1993 | EP0544664A1 Bead-shaped cellulose products for separating and carrier materials and their manufacture. |
| 05/26/1993 | EP0346418B1 Soil-conditioning material |
| 05/18/1993 | US5211858 Lanthanide-crosslinked polymers for subterranean fluid containment |
| 05/18/1993 | CA1318046C Radiation-polymerizable cellulose esters |
| 05/04/1993 | US5207934 Crosslinked hydroxyethylcellulose and its uses |
| 04/30/1993 | EP0593421A4 Biodegradable superabsorbing sponge. |
| 04/28/1993 | EP0538977A1 Fibre treatment |
| 04/28/1993 | EP0538904A2 Carboxyalkyl polysaccharides and process for their preparation |
| 04/13/1993 | US5202433 For racemic mixtures |
| 04/13/1993 | US5202247 Hybrid protein containing polypeptide fused to substrate binding region of amino acid sequence |
| 03/17/1993 | EP0531486A1 Crystalline cellulose production |
| 02/17/1993 | EP0527236A1 Polysaccharide derivative, production thereof, and separating agent |
| 02/17/1993 | EP0527235A1 Novel polysaccharide drivative and separating agent |
| 02/10/1993 | EP0526649A1 Carboxymethylmannoglucan and derivative thereof |
| 02/09/1993 | US5185327 Glucan derivatives having tumoricidal activity |
| 01/19/1993 | US5180398 Cellulose oxidation by a perfluorinated hydrocarbon solution of nitrogen dioxide |
| 12/29/1992 | US5175275 Method for preparing powdery crystalline cellulose |
| 12/16/1992 | EP0387304B1 Radiation-polymerizable cellulose esters |
| 11/11/1992 | EP0512527A1 Modified cellulose polymer, blood processor and process for producing same |
| 11/11/1992 | EP0512319A2 Process for preparing carbonic acid derivatives of polysaccharides |
| 09/17/1992 | WO1992015635A1 Polysaccharide derivative, production thereof, and separating agent |
| 09/17/1992 | WO1992015616A1 Novel polysaccharide drivative and separating agent |
| 09/03/1992 | WO1992014760A1 Crystalline cellulose production |
| 09/03/1992 | WO1992014759A1 Carboxymethylmannoglucan and derivative thereof |
| 09/03/1992 | CA2081025A1 Carboxymethylmannoglucans and derivatives thereof |
| 09/03/1992 | CA2080841A1 Crystalline cellulose production |
| 08/25/1992 | US5141966 Metalchelating, hydrophilic polymer |
| 08/11/1992 | US5137819 Cellulose binding fusion proteins for immobilization and purification of polypeptides |
| 08/11/1992 | US5137638 Separation agent comprising acyl- or carbamoyl-substituted polysaccharide |
| 07/28/1992 | US5134229 Process for preparing a neutralized oxidized cellulose product and its method of use |
| 07/28/1992 | US5133834 Slurrying, gas injection; packaging, insulation, filtration, coating |
| 07/21/1992 | US5132415 From cellulose in aprotic solvents with lithium chloride and-or calcium chloride |
| 07/21/1992 | CA1305471C Procedure for lowering the carbamate content of products made of cellulose carbamate, and products made by the procedure |
| 07/01/1992 | EP0492990A1 Cellulose oxidation by a perfluorinated hydrocarbon solution of nitrogen dioxide |
| 06/30/1992 | US5125950 Soil conditioner |
| 06/16/1992 | US5122598 Total and partial esterification of cellulose, starch and chitin groups with alcohols; inorganic and organic based salts of partial esters; therapeutic substances; creams, sprays, solutions |
| 06/10/1992 | EP0267212B1 Method for the preparation with a high concentration in hydrogen fluoride of branched oligosides and polyosides, particularly from starch |
| 06/03/1992 | EP0462178A4 Particulate absorbent material |
| 06/02/1992 | CA1302626C Polyfunctional ethylenically unsaturated cellulose polymer-based photocurable compositions |
| 05/12/1992 | US5111886 Fracturing a subterranean formation |
| 05/12/1992 | CA1300607C Preparation process of high concentration branched oligo and polyosides in hydrogen fluoride, including from starch |
| 05/07/1992 | CA2054965A1 Esters and amides of substituted phenyl acetic acids |
| 05/05/1992 | CA1300128C Freeze dried, cross-linked microfibrillated cellulose |
| 04/22/1992 | EP0481370A2 Use of phosphonic acid diglycidylesters as cross-linking agent in hydrogels |
| 04/19/1992 | CA2053630A1 Use of glycidyl phosphonates as crosslinkers in the preparation of hydrogels |
| 04/14/1992 | US5104411 Freeze dried, cross-linked microfibrillated cellulose |
| 04/07/1992 | CA1298578C Polymeric matrix for affinity chromatography and immobilizaton of ligands |
| 04/02/1992 | WO1992004902A1 Biodegradable gel |
| 03/17/1992 | CA1297603C Aqueous suspension of carboxymethylcellulose |
| 03/03/1992 | US5093489 Modified chitin for biocompatible dialysis membranes iv and process for preparation of modified cellulose and modified chitin for use therewith |
| 03/03/1992 | US5093488 Modified chitin for biocompatible dialysis membranes iii and process for preparation of modified cellulose and modified chitin for use therewith |
| 03/03/1992 | US5093486 Modified chitin for biocompatible dialysis membranes ii and process for preparation of modified cellulose and modified chitin for use therewith |
| 02/26/1992 | EP0471763A1 Process of preparing cross-linked gas selective membranes |
| 02/04/1992 | CA1295327C2 Pliant, water-absorbent, laminar mass of microbial cellulose |
| 02/04/1992 | CA1295315C Acid catalysts and methods of use |
| 01/21/1992 | US5082914 Grafted cellulose esters containing a silicon moiety |
| 01/15/1992 | EP0465992A1 High solids low viscosity polysaccharide composition |
| 12/27/1991 | EP0462178A1 Particulate absorbent material. |
| 12/24/1991 | US5075009 Separation agent comprising acyl- or carbamoyl-substituted polysaccharide |
| 12/12/1991 | WO1991018590A1 Process for the manufacture of porous cellulose matrices |
| 12/11/1991 | EP0460609A1 Process for producing fine cellulose powder |
| 12/10/1991 | US5071978 Silated polysaccharide process |
| 12/10/1991 | CA1292986C Polysaccharide derivatives containing aldehyde groups, their preparation from the corresponding acetals and use as paper additives |
| 11/12/1991 | US5064950 Crosslinking coagulated viscose neutralization to cellulose, used as chromatography packing |
| 10/22/1991 | US5059686 Covalent bonding; hydrolytically stable; films; water resistant |
| 09/03/1991 | US5045535 Affinity chromatography, immunoassay, cellulose |
| 08/06/1991 | US5037930 Heterocyclic quaternized nitrogen-containing cellulosic graft polymers |
| 07/24/1991 | EP0437875A1 Metalchelating, hydrophilic polymer |
| 07/17/1991 | EP0437095A2 Process for preparing a neutralized oxidized cellulose product and its method of use |
| 07/17/1991 | EP0436722A1 Polysaccharide derivatives and separating agent |
| 07/16/1991 | US5032682 Silated polysaccharides |
| 07/11/1991 | WO1991009878A1 Bead-shaped cellulose products for separating and carrier materials and their manufacture |
| 06/25/1991 | US5026834 Modified cellulose for biocompatible dialysis membranes |
| 05/28/1991 | CA1284496C Process for the oxidation of di-, tri-, oligo- and polysaccharides into polyhydroxycarboxylic acids, catalyst used and products thus obtained |
| 05/21/1991 | US5017290 Separation agent comprising acyl- or carbamoyl-substituted polysaccharide |
| 05/15/1991 | EP0427349A2 Method for the preparation of polydicarboxysaccharides |
| 05/08/1991 | DE3929108A1 Wet strength paper is prepd. |
| 05/02/1991 | EP0425477A2 Fine cellulose particles and process for production thereof |
| 04/23/1991 | US5010155 Hydrophilic film |
| 04/16/1991 | US5008385 Cellulose derivatives and fibers and membranes made therefrom |
| 03/26/1991 | CA1282062C Quaternary ammonium salts of natural polysaccharides possessing hypocholesterolemic activity |
| 03/13/1991 | EP0416565A1 Method for producing deoxycelluloses |
| 03/12/1991 | US4999425 Removing residual base by ion exchanging |
| 03/05/1991 | US4997935 Ethers, esters |
| 03/05/1991 | US4997934 Sausage casing |
| 03/05/1991 | US4997933 Carbamylation |
| 02/21/1991 | WO1991002006A1 Polysaccharide derivatives and separating agent |
| 02/12/1991 | US4992538 Modified cellulose ether with a nonhydrolyzable silyl group bonded covalently |
| 01/15/1991 | US4985553 Process for the oxidation of di-, tri-, Oligo- and polysaccharides into polyhydroxycarboxylic acids, catalyst used and products thus obtained |
| 01/15/1991 | US4985410 Quaternary ammonium salts of polysaccharides, prossessing hypocholesterolemic activity |
| 01/01/1991 | US4981960 Modified cellulose for biocompatible dialysis membranes IV and process for preparation thereof |
| 01/01/1991 | US4981959 Modified cellulose for biocompatible dialysis membranes II and process for preparation thereof |
| 12/19/1990 | EP0402707A1 Cellulose aminomethanate by weight loss monitoring |