Patents for C08B 3 - Preparation of cellulose esters of organic acids (1,677) |
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01/04/2000 | US6011149 Esterification; carbamylation |
12/28/1999 | CA2009687C Organosiloxane-containing polysaccharides |
12/09/1999 | WO1999049125A3 Modified textile and other materials and methods for their preparation |
12/09/1999 | WO1999049124A3 Modified textile and other materials and methods for their preparation |
11/23/1999 | US5990304 Cellulose acetate excellent in physical strength, and process for production thereof |
11/10/1999 | CN1046300C Dry water-dispersible complex and a process for the production thereof |
11/09/1999 | US5981738 Cellulose acetate ester with maleate and/or fumarate having carboxylic acid pendant groups; will copolymerize in presence of vinyl crosslinking agents/photoinitiator when exposed to ultraviolet radiation; protective and/or decorative coatings |
11/04/1999 | WO1999055774A1 Coprecipitation of cellulose esters with functional additives and compositions thus obtainable |
11/02/1999 | US5977348 Polysaccharide modification in densified fluid |
11/02/1999 | US5977347 Cellulose acetate propionate |
11/02/1999 | US5977346 Fatty acid ester of cellulose, cellulose diacetate and processes for the preparation thereof |
10/27/1999 | EP0952160A1 Cellulose triacetate and method for its production |
10/27/1999 | CN1232827A Cellulose triacetate and method for its production |
10/26/1999 | US5973139 Carboxylated cellulose esters |
10/07/1999 | WO1999050305A1 Molded article of biodegradable cellulose acetate and filter plug for article to be smoked |
10/06/1999 | EP0946597A1 Preparation of chemically reactive polysaccharides |
10/05/1999 | US5962677 Cellulose acetate with high moldability and process for production thereof |
09/30/1999 | WO1999049125A2 Modified textile and other materials and methods for their preparation |
09/30/1999 | WO1999049124A2 Modified textile and other materials and methods for their preparation |
09/30/1999 | CA2324949A1 Modified textile and other materials and methods for their preparation |
09/30/1999 | CA2324377A1 Modified textile and other materials and methods for their preparation |
09/22/1999 | EP0943626A1 Cellulose acetate and dope containing the same |
09/22/1999 | CN1229088A Cellulose acetate and spinning solution containing the same |
09/14/1999 | US5952260 An adduct of sulfuric acid with n,n-dimethylacetamide, a lower fatty acid having from 2 to 4 carbon atoms, free sulfuric acid or free n,n-dimethylacetamide |
08/12/1999 | WO1999040120A1 Carboxylated cellulose esters |
08/12/1999 | CA2320273A1 Carboxylated cellulose esters |
08/04/1999 | EP0752027B1 Esterified high lignin content cellulosic fibers |
08/04/1999 | CN1044480C Process for producing cellulose acetate |
07/27/1999 | US5929229 Direct process for the production of cellulose esters |
07/27/1999 | US5928613 Apparatus for acetylating cellulose |
07/21/1999 | CN1223665A Process for preparing cellulose acetoacetate alkanoates |
07/20/1999 | US5925181 Protectively coated chlorine-bleach particles for controlled release; cleaning compounds |
07/06/1999 | US5919920 Washing mixture of cellulose acetate of varying molecular weights with solvent which elutes out low molecular weight components; producing low solution viscosity with high average degree of polymerization |
06/30/1999 | CN1221429A PH-sensitive modified cellulose ester |
06/22/1999 | US5914397 Cellulose acetate excellent in physical strength, and process for production thereof |
05/25/1999 | US5906852 Surface-modified cellulose as low calorie flour replacements |
05/25/1999 | US5906780 Process for producing a sponge |
05/14/1999 | WO1999023118A1 The reaction of a polyhydroxy polymer or a derivative thereof with a lactone |
05/14/1999 | WO1999022599A1 Surface-modified cellulose as low calorie flour replacements |
05/11/1999 | CA2059130C Process for preparing cellulose esters by use of carboxylic acids |
04/28/1999 | EP0910602A1 Acetylation of lignocellulosic materials and applications thereof |
04/14/1999 | CN1042940C Fatty acid ester of cellulose and preparing same |
04/06/1999 | US5891075 Hydrolysis, acetic acid |
03/30/1999 | US5888550 Cellulose acetate phthalate enteric coating compositions |
03/30/1999 | CA2070390C Process for preparing cellulose esters |
03/02/1999 | US5876666 Release from nonaqueous hydrogen peroxide complex, medical instruments |
02/16/1999 | US5871573 Modified to contain unsaturated opendent groups or grafted with isocyanate or methacrylate groups; coatings for wood, metals, plastics, paper, boards, addition to printing inks, nail polish |
02/10/1999 | EP0895514A1 Process for preparing cellulose acetoacetate alkanoates |
02/09/1999 | US5869646 Method and apparatus for acetylating cellulose |
01/27/1999 | EP0893451A2 Polysaccharide modification in densified fluid |
01/27/1999 | EP0892814A1 pH-SENSITIVE MODIFIED CELLULOSE ESTER |
01/25/1999 | CA2243203A1 Polysaccharide modification in densified fluid |
01/13/1999 | EP0889988A2 Aldehyde-modified cellulosic fibers for paper products having high initial wet strength |
01/07/1999 | EP0888784A1 Cellulose ester wound dressing |
01/05/1999 | US5856468 Cellulose acetate propionate, solution thereof and cellulose acetate propionate film |
01/01/1999 | CA2242034A1 Cellulose ester wound dressing |
12/30/1998 | EP0750484B1 Fluid acquisition and distribution member for absorbent core |
11/25/1998 | CN1200128A Surface-modified cellulose microfibrils method for making same, and use thereof as a filler in composite materials |
11/05/1998 | WO1998049200A1 Reactive cellulose and method for making same |
11/05/1998 | CA2286572A1 Reactive cellulose and method for making same |
10/27/1998 | CA2089390C Process for obtaining highly esterified polyol fatty acid polyesters having reduced levels of difatty ketones and b-ketoesters |
10/14/1998 | CN1040216C Process for preparing cellulose diacetate ester |
10/13/1998 | US5821359 Acetylation of lignocellulosic fibres |
10/07/1998 | EP0791002A4 Anionic polymer |
10/06/1998 | US5817728 Lactone-polyester-polysaccharide interpolymer, high melt tension, foaming |
09/24/1998 | WO1998041543A1 Method for producing cellulose acetate |
09/24/1998 | CA2283980A1 Method for producing cellulose acetate |
09/23/1998 | CN1193982A Method for preparing a cellulose formate solution by impregnating and kneading cellulose slabs |
09/09/1998 | EP0862422A1 Cellulose acetate phthalate enteric coating compositions |
09/02/1998 | EP0861269A1 Uv curable cellulose esters |
09/01/1998 | CA1340020C Process for preparing a powder of water-insoluble polymer which can be redispersed in a liquid phase, the resulting powder and utilization thereof |
08/26/1998 | EP0791015A4 Cationic polymer |
08/18/1998 | CA2079558C Water-dispersible complex and a process for the production thereof |
07/30/1998 | DE19711502C1 Verfahren zur Herstellung von Celluloseacetat A process for producing cellulose acetate |
07/29/1998 | CN1039333C Method for reducing precipitated insoluble matter quantity from cellulose acetate acetone solution |
07/15/1998 | EP0852588A1 Surface-modified cellulose microfibrils, method for making same, and use thereof as a filler in composite materials |
07/07/1998 | US5777101 Using acetic anhydride |
06/23/1998 | US5770739 Non-aqueous hydrogen peroxide complex |
06/23/1998 | US5770726 Process for preparing a cellllose acetoacetate alkanoates |
06/10/1998 | DE19638319C1 Production of soluble cellulose ester for wet spinning to fibre |
05/12/1998 | US5750677 Direct process for the production of cellulose esters |
05/12/1998 | US5749863 Polycarboxylic acid crosslinked cellulose fibers minimizing skin wetness in absorbent artcles |
04/30/1998 | WO1998017692A1 Preparation of chemically reactive polysaccharides |
04/22/1998 | EP0836622A1 Method for preparing a cellulose formate solution by impregnating and kneading cellulose slabs |
04/21/1998 | US5741901 UV curable cellulose esters |
03/25/1998 | CN1177358A Photochemically cross-linked polysaccharide derivatives as supports for the chromatoghaphic separation of enantiomers |
03/18/1998 | CN1176253A Cellulose acetate propionate, solution thereof and cellulose acetate propionate film |
03/03/1998 | US5723151 Cellulose acetate phthalate enteric coating compositions |
02/10/1998 | US5716703 Fluid acquisition and distribution member for absorbent core |
02/04/1998 | EP0822201A2 Cellulose acetate propionate, solution thereof and cellulose acetate propionate film |
01/22/1998 | DE19629206A1 Polymerisable poly:amide derivatives containing double bonds |
01/15/1998 | WO1998001497A1 Acetylation of lignocellulosic materials and applications thereof |
01/15/1998 | CA2262631A1 Acetylation of lignocellulosic materials and applications thereof |
12/31/1997 | CN1036851C Process for producing cellulose acetate |
12/30/1997 | CA2126614C Acetylation method for material containing cellulose, and manufacturing method for modified wood |
12/29/1997 | EP0813546A1 Photochemically cross-linked polysaccharide derivatives as supports for the chromatographic separation of enantiomers |
12/17/1997 | EP0812941A2 Sponge and process for making the same |
12/16/1997 | US5698688 Esterification; oxidation; wet strength |
12/10/1997 | EP0750638A4 Chemical modification of shaped hydrogels in non-aqueous medium |
12/09/1997 | CA2125881C Continuous hydrolysis of cellulose acetate |