Patents for C08B 11 - Preparation of cellulose ethers (2,701)
08/1995
08/15/1995US5442054 Highly substituted sulphoalkycellulose derivatives, especially sulphoethycellulose ether, a process for their preparation and their use as thickening agent for textile printing pastes
07/1995
07/13/1995WO1995018833A1 Polysaccharide derivatives and their use for preparing stationary chiral phases suitable for separating isomers
06/1995
06/27/1995US5427684 Biocompatibility; damage to blood cells minimized
06/27/1995CA1336087C Polysaccharide esters
06/20/1995US5426182 Used as stabilizers and thickeners in latex compositions; ether-containing hydroxy compounds having hydrophobic groups such as alkyl, aryl, alkylaryl etc
06/08/1995WO1995015342A1 Treatment of cellulose
05/1995
05/23/1995US5417977 Method of producing an absorbent composition
05/04/1995WO1995011925A1 Modified polysaccharides having improved absorbent properties and process for the preparation thereof
04/1995
04/20/1995DE4335437A1 Production of alkylcellulose
04/11/1995USRE34904 Alkylaryl hydrophobically modified cellulose ethers
03/1995
03/07/1995US5395930 For plasters, adhesives or fillers and water retention
02/1995
02/08/1995EP0637594A2 Water-absorbent resins and manufacturing methods thereof
01/1995
01/31/1995US5385607 Cellulose ethers/mixed/ as aditives to improve water retention of plaster
01/11/1995EP0632837A1 Purification process by decomposition of haloalkanoic acid with dehalogenase
01/04/1995EP0632056A1 Purification of aqueous reaction or washing medium containing cellulose ethers
11/1994
11/22/1994US5366755 Foodstuffs containing novel degraded cellulose derivatives
11/01/1994US5360902 Process for producing methyl hydroxyalkyl cellulose ethers
10/1994
10/27/1994WO1994024169A1 Method of making amide modified carboxyl-containing polysaccharide and fatty amide-modified polysaccharide so obtainable
10/25/1994US5358561 Celluloses etherified with sulfoalkyl, hydroxyalkyl, alkoxyhydroxyalkyl, aryl and/or arylalkyl groups as adjuvants to improve workability of gypsum or cements used as plaster or mortar
10/19/1994CN1093712A Highly substituted carboxymethyl sulfoethyl cellulose ethers a process for their production and their use in textile printing inks
10/12/1994CN1093372A Highly substituted carboxymethyl sulfoethyl cellulose ethers (CMSEC), a process for their production and their use in textile printing
10/11/1994US5354424 Treted with degradation product of polysaccharide, oligomers of cellulose
09/1994
09/21/1994EP0615979A2 Partial esters of acidic polysaccharides
09/20/1994US5349089 N-/3-/haloethylethyl/aminopropyl/N,N,N-trimethylammonium salt
09/14/1994EP0614914A2 Crosslinked carboxy polysaccharides
09/07/1994EP0613907A2 Controlled molecular weight reduction of polymers
09/05/1994CA2116919A1 Controlled molecular weight reduction of polymers
08/1994
08/13/1994CA2096986A1 Method for making absorbent polysaccharides
08/10/1994EP0609961A1 Sustained release pharmaceutical composition
07/1994
07/05/1994CA2049055C Biodegradable superabsorbing sponge
06/1994
06/29/1994EP0603648A1 Highly substituted sulfoalkylcellulose derivatives, especially sulfoethylcellulose ether; process for producing them and their use as thickening agent in printing pastes for textiles
06/28/1994US5324717 Therapeutical composition comprising hydrolyzed carboxylalkyl cellulose
06/15/1994EP0601404A1 Highly substituted carboxymethyl sulfoethyl cellulose ether (CMSEC), process for producing the same and application for textile printing
06/15/1994EP0601403A1 Highly substituted carboxymethyl sulfoethyl cellulose ether, process for its preparation and printing paste for textile
06/09/1994DE4241285A1 Methyl-hydroxyalkyl-cellulose ethers prodn. - with recovery of useful soluble short-chain cellulose ethers by ultra- or micro-filtration of the wash water from purification
06/08/1994EP0600287A1 Carboxymethyl cellulose and its use in textile printing
05/1994
05/25/1994EP0598282A1 Methylhydroxyalkyl cellulose ether as thickener for paint strippers
05/24/1994CA1329853C Aqueous protective coating composition comprising 3-alkoxy-2-hydroxypropylhydroxyethylcellulose and film forming latice
05/17/1994CA1329590C Mixed hydrophobe polymers
04/1994
04/27/1994EP0593421A1 Biodegradable superabsorbing sponge
04/12/1994US5302196 Modified cellulose ethers and the use thereof in dispersion paints
03/1994
03/30/1994EP0589074A1 Carbohydrate complexes for destruction of resistant cancer cells
03/23/1994EP0587715A1 Water insoluble derivatives of polyanionic polysaccharides
03/15/1994US5294702 Water-soluble polymerizable 3-allyloxy-2-hydroxypropylether of cellulose
03/08/1994CA1327568C Ionically modified polysaccharides, process for their preparation and the use thereof
03/01/1994US5290829 Perfluorinated alkyl hydrophobe hydroxyalkylcellulose associative thickeners
02/1994
02/16/1994EP0582624A1 Cationic polysaccharides.
01/1994
01/11/1994US5278304 Light transmission
12/1993
12/15/1993EP0573852A1 Sulphoalkyl groups containing alkyl hydroxyalkyl cellulose ether
12/09/1993DE4218568A1 Reusable dialysis membrane for haemodialysis
12/08/1993EP0572910A1 Polysaccharide ether dialysis membrane
12/07/1993CA2097765A1 Alkyl hydroxyalkyl cellulose ethers containing sulfoalkyl groups
11/1993
11/10/1993EP0568968A2 Blood-treating device, and process for producing the same
11/03/1993EP0567869A1 Process for producing cellulose ethers involving the use of cyclic ethers as suspending agent
10/1993
10/27/1993EP0566911A1 Improved leveling aqueous coating compositions
10/20/1993EP0566118A1 Process for the preparation of modified polysaccharides and modified polysaccharides
10/14/1993WO1993020223A1 Purification process by decomposition of haloalkanoic acid with dehalogenase
10/12/1993US5252340 Method of producing an absorbent composition
10/06/1993EP0563978A2 Perfluorinated alkyl hydrophobe hydroxyalkylcellulose associative thickeners
10/06/1993EP0462178B1 Particulate absorbent material
10/03/1993CA2093205A1 Perfluorinated alkyl hydrophobe hydroxyalkylcellulose associative thickeners
09/1993
09/21/1993US5247072 Carboxyalkyl polysaccharides having improved absorbent properties and process for the preparation thereof
09/07/1993US5243072 Betaine group-containing polysaccharides with recurring anhydroglucose units, their synthesis and their use in cosmetic preparations
08/1993
08/15/1993CA2072918A1 Modified polysaccharides having improved absorbent properties and process for the preparation thereof
08/11/1993EP0554751A1 Use of water-soluble sulfoalkyl derivatives of cellulose in gypsum anol cement compositions
08/11/1993EP0554749A2 Water soluble sulfoalkyl hydroxyalkyl derivatives of cellulose and their use in gypsum and cement compositions
07/1993
07/28/1993CA2087488A1 Oil soluble polysaccharides
07/14/1993EP0550844A1 Process for obtaining methyl-hydroxyalkyl cellulose ethers
07/13/1993US5227481 Cationic polysaccharides and reagents for their preparation
07/08/1993WO1993013135A1 Removal of undesirable material from water-soluble cellulose ether aqueous solutions
06/1993
06/09/1993EP0545426A2 Process for purifying the reaction and/or wash media from the preparation of cellulose ethers
06/08/1993US5218107 Ultrafiltration and diafiltration
06/07/1993CA2084589A1 Process for the purifying working-up of reaction media and/or wash media obtained during preparation of cellulose ethers
05/1993
05/26/1993CN1072416A Base for film-coating pharmaceuticals and method for preparing same
05/19/1993EP0541939A1 3-Allyloxy-2-hydroxypropyl ether of cellulose
05/18/1993US5212051 Photographic element with cellulose derivative polymer
05/12/1993EP0541511A2 Siloxan-containing derivatives of polysaccharides and their use in making paper
05/05/1993EP0540506A2 Organosiloxane-containing polysaccharides
05/05/1993EP0539979A2 Process for producing mixed cellulose ether
04/1993
04/30/1993EP0593421A4 Biodegradable superabsorbing sponge.
04/29/1993WO1993008217A1 Process for separating cellulose ether and other cellulose derivates
04/28/1993EP0538904A2 Carboxyalkyl polysaccharides and process for their preparation
04/22/1993DE4134662A1 Verfahren zum abtrennen von celluloseether und anderen cellulosederivaten A method for disconnecting from cellulose ether and other cellulose derivatives
04/20/1993US5204457 Used in nuclear magnetic resonance imaging; forming carboxy-alkylether of a polysaccharide and complexing with magnetic metal oxide
04/06/1993CA1315759C Grinding process for high viscosity cellulose ethers
03/1993
03/24/1993EP0532524A1 A therapeutical composition
01/1993
01/26/1993US5182380 Dihydroxypropyl sulphoethyl celluloses, their preparation and their use
01/19/1993CA1312859C2 Hydroxypropyl methyl cellulose ethers useful as thickening agents for organic liquids
01/13/1993EP0522009A1 Process for preparing cellulose esters
01/05/1993US5177199 Water-soluble hydroxypropyl sulfoethyl cellulose derivatives (hpsec) having a low degree of substitution and a process for their production
12/1992
12/23/1992WO1992022587A1 Alkyl ethers and/or alkyl esters of cell-wall polysaccharides
12/17/1992DE4119600A1 Alkylether und/oder alkylester von zellwandpolysacchariden Alkyl ether and / or alkyl esters of cell wall polysaccharides
12/15/1992US5171444 Dialysis membrane made of polysaccharide ether
11/1992
11/26/1992WO1992020349A1 Water insoluble derivatives of polyanionic polysaccharides
11/24/1992US5166336 Method for production of a corn milling residue carboxymethyl ether salt
11/24/1992US5166333 Methyl hydroxypropyl cellulose ethers and a process for their production
11/24/1992US5166332 Mixed unsaturated cellulose ethers
11/24/1992US5165937 Controlled release tablets containing flavoxate
11/12/1992WO1992019652A1 Cationic polysaccharides
11/04/1992EP0511540A2 Water-soluble sulfoethyl ethers of cellulose with very good solubility and process for their preparation
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