Patents for C08B 3 - Preparation of cellulose esters of organic acids (1,677) |
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11/11/1997 | US5685832 Cellulose ester wound dressing |
11/06/1997 | WO1997036037A3 Aldehyde-modified cellulosic fibers for paper products having high initial wet strength |
10/30/1997 | WO1997040074A1 Process for preparing cellulose acetoacetate alkanoates |
10/16/1997 | WO1997038016A1 pH-SENSITIVE MODIFIED CELLULOSE ESTER |
10/16/1997 | CA2251380A1 Ph-sensitive modified cellulose ester |
10/15/1997 | EP0800538A1 Process for preparing cellulose esters using a sulfonic acid resin catalyst |
10/15/1997 | EP0800537A1 A direct process for the production of cellulose esters |
10/14/1997 | US5676964 Crosslinked carboxy polysaccharides |
10/08/1997 | EP0799272A1 Acetylation of lignocellulosic fibres |
10/08/1997 | CN1161339A Method and apparatus for controlling reactions |
10/07/1997 | US5674450 Vapor sterilization using a non-aqueous source of hydrogen peroxide |
10/02/1997 | WO1997036037A2 Aldehyde-modified cellulosic fibers for paper products having high initial wet strength |
09/16/1997 | US5667691 Process for extracting water and acetic acid from the aqueous phase of cellulose acetate |
08/27/1997 | EP0791015A1 Cationic polymer |
08/27/1997 | EP0791002A1 Anionic polymer |
08/13/1997 | EP0789033A2 Method and apparatus for controlling acetylation of cellulose |
08/06/1997 | EP0560891B1 Improved cellulose esters and salts thereof |
07/31/1997 | DE19624866C1 Increasing reactivity of pulp or linters to optimum level for cellulose acetate production |
07/29/1997 | CA1339122C Crosslinked carboxy polysaccharides |
07/24/1997 | DE19623703C1 Cellulose@ sponge production from acetylated cellulose |
07/15/1997 | US5648529 Process for the recovery of an organic acid from the manufacture of a cellulose ester |
07/09/1997 | CN1154119A Cellulose acetate having excellent physical strength and process for preparing the same |
07/09/1997 | CN1154118A Cellulose acetate having high moldability and process for preparing the same |
07/09/1997 | CN1035382C Process for separation of aqueous phase for cellulose acetate |
05/22/1997 | WO1997018242A1 Uv curable cellulose esters |
05/15/1997 | WO1997017065A1 Cellulose acetate phthalate enteric coating compositions |
05/07/1997 | EP0436722B1 Polysaccharide derivatives and separating agent |
04/30/1997 | CN1148599A Fatty ester of cellulose, cellulose oxalate and prparation method thereof |
04/23/1997 | EP0769500A1 Cellulose acetate having excellent physical strength and process for preparing the same |
04/16/1997 | CN1147761A Fluid acquisition and distribution member for absorbent core |
04/10/1997 | WO1997012917A1 Surface-modified cellulose microfibrils, method for making same, and use thereof as a filler in composite materials |
04/10/1997 | CA2238390A1 Surface-modified cellulose microfibrils, method for making same, and use thereof as a filler in composite materials |
03/26/1997 | EP0598038B1 Coating compositon comprising cellulose acetoacetate |
03/26/1997 | EP0478757B1 Cellulose ester compositions and process for the preparation thereof |
03/19/1997 | EP0763544A1 Cellulose acetate having high moldability and process for preparing the same |
03/19/1997 | CN1145358A Process for recovery of organic acid from manufacture of cellulose ester |
03/12/1997 | CN1034218C Process for preparing acetate of cellulose |
03/11/1997 | US5610233 Amino resin curing resin, acid catalyst |
03/04/1997 | US5608051 Acetylation of lignocellulosic materials |
03/04/1997 | US5608050 Process for the manufacture of cellulose acetate |
01/29/1997 | EP0755688A1 Cellulose ester wound dressing |
01/28/1997 | US5597912 Solvolysis; deesterification |
01/23/1997 | WO1997002292A1 Method for preparing a cellulose formate solution by impregnating and kneading cellulose slabs |
01/23/1997 | CA2224416A1 Method for preparing a cellulose formate solution by impregnating and kneading cellulose slabs |
01/21/1997 | US5595591 Cellulose acetoacetate esters used in coating compositions |
01/08/1997 | EP0752027A1 Esterified high lignin content cellulosic fibers |
01/02/1997 | EP0750638A1 Chemical modification of shaped hydrogels in non-aqueous medium |
01/02/1997 | EP0750484A1 Fluid acquisition and distribution member for absorbent core |
01/01/1997 | CN1139437A Modified polysaccharides having improved absorbent properties and process for the preparation thereof |
12/31/1996 | US5589577 Applications and methods for the preparation of fatty acid esters of polysaccharides |
12/30/1996 | CA2177558A1 Cellulose ester wound dressing |
11/20/1996 | EP0743322A2 Process for the recovery of an organic acid from the manufacture of a cellulose ester |
11/17/1996 | CA2174922A1 Process for the recovery of an organic acid from the manufacture of a cellulose ester |
11/13/1996 | EP0714419A4 Biodegradable compostable plastic and method of making the same |
10/31/1996 | DE19515477A1 Continuous prodn. of polysaccharide ester(s) |
10/30/1996 | EP0739357A1 Modified polysaccharides having improved absorbent properties and process for the preparation thereof |
10/03/1996 | WO1996030412A1 Cellulose acetate having excellent physical strength and process for preparing the same |
09/18/1996 | EP0732341A2 Preparation process of degradable copolymer |
09/12/1996 | WO1996027615A1 Photochemically cross-linked polysaccharide derivatives as supports for the chromatographic separation of enantiomers |
08/27/1996 | US5550189 Modified polysaccharides having improved absorbent properties and process for the preparation thereof |
08/21/1996 | EP0621876B1 Continuous hydrolysis of cellulose acetate |
08/14/1996 | CN1129005A Biodegradable compostable plastic and method for making same |
07/11/1996 | WO1996020961A1 Process for preparing cellulose esters using a sulfonic acid resin catalyst |
07/11/1996 | WO1996020960A1 A direct process for the production of cellulose esters |
07/11/1996 | CA2208662A1 A direct process for the production of cellulose esters |
07/11/1996 | CA2208273A1 Process for preparing cellulose esters using a sulfonic acid resin catalyst |
06/27/1996 | WO1996019526A1 Acetylation of lignocellulosic fibres |
06/25/1996 | US5530111 Chemical modification of shaped hydrogels in non-aqueous medium |
06/19/1996 | EP0550732B1 Process for the separation of the aqueous phase from cellulose acetate |
06/19/1996 | EP0477347B1 Process for preparing cellulose esters by use of carboxylic acids |
06/19/1996 | CN1124720A Non-toxic quick-acting scale remover |
06/12/1996 | CN1032006C Treating cellulosic sheet material |
06/11/1996 | US5525721 Acetylation method for material containing cellulose, and manufacturing method for modified wood |
06/05/1996 | EP0714419A1 Biodegradable compostable plastic and method of making the same |
06/04/1996 | US5523398 Recovering a uniformly esterified cellulose from a homogenous solution of cellulose, dicyclohexylcarbodiimide and a carboxylic acid or acid anhydride |
05/28/1996 | US5521304 Cellulose acetoacetate esters |
05/23/1996 | WO1996015154A1 Cationic polymer |
05/23/1996 | WO1996015137A1 Anionic polymer |
04/09/1996 | US5505830 Biodegradable compostable plastic and method of making the same |
03/26/1996 | US5502178 Reaction of alkylamine with cellulose acetates |
03/19/1996 | US5500328 Reducing film to segments, mixing with water, oxidizing the film, oxidizing the resulting slurry, bleaching the slurry and recovering cellulose triacetate |
03/10/1996 | WO1996030413A1 Cellulose acetate having high moldability and process for preparing the same |
03/07/1996 | WO1996006864A1 Chemical modification of shaped hydrogels in non-aqueous medium |
03/07/1996 | DE4431350A1 Saccharide derivatives prodn. esp. cellulose@ fillers |
03/07/1996 | CA2185140A1 Chemical modification of shaped hydrogels in non-aqueous medium |
02/15/1996 | DE4428211A1 Biodegradable high mol. thermoplastic material useful in packaging |
01/24/1996 | EP0693086A1 Applications and methods for the preparation of fatty acid esters of polysaccharides |
01/16/1996 | US5484896 Esterified high lignin content cellulosic fibers |
01/02/1996 | US5480922 Plasticized cellulose acetate, process for its production and its use for producing filaments |
11/29/1995 | CN1112446A Vapor sterilization using a non-aqueous source of hydrogen peroxide |
11/14/1995 | US5466461 Polysaccharide esters |
11/02/1995 | EP0679407A2 Vapor sterilization using a non-aqueous source of hydrogen peroxide |
10/29/1995 | CA2578119A1 Vapor sterilization using a non-aqueous source of hydrogen peroxide |
10/29/1995 | CA2578114A1 Vapor sterilization using a non-aqueous source of hydrogen peroxide |
10/24/1995 | CA1337416C Finely particulate cellulose esters of aromatic or aromatic-aliphatic carboxylic acids, process for their preparation, and the use thereof |
10/03/1995 | CA2058967C Novel cellulose ester compositions and process for the preparation thereof |
09/28/1995 | WO1995025846A1 Esterified high lignin content cellulosic fibers |
09/28/1995 | WO1995025495A1 Fluid acquisition and distribution member for absorbent core |
09/19/1995 | US5451672 Process for producing cellulose acetate |
08/31/1995 | WO1995023168A1 Acetylation of lignocellulosic materials |