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