Patents for C08B 11 - Preparation of cellulose ethers (2,701) |
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02/25/1998 | EP0825199A2 Process for preparing water-soluble cellulose ethers with recovery of sodium hydroxide |
02/24/1998 | US5721347 Esters and amides of substituted pyrrole acetic acids |
02/17/1998 | US5719274 Process for the preparation of low molecular weight cellulose ethers |
02/04/1998 | EP0702697B1 Method of making amide modified carboxyl-containing polysaccharide and fatty amide-modified polysaccharide so obtainable |
01/22/1998 | DE19629206A1 Polymerisable poly:amide derivatives containing double bonds |
01/13/1998 | US5708162 Process for the preparation of low molecular weight polysaccharide ethers |
01/08/1998 | WO1998000446A1 Oxidized oligosaccharides |
12/30/1997 | CA2019675C Cationic polysaccharides and reagents for their preparation |
12/10/1997 | EP0811017A1 Cellulose particles, method for producing them and their use |
12/10/1997 | EP0750638A4 Chemical modification of shaped hydrogels in non-aqueous medium |
12/03/1997 | EP0632837B1 Purification process by decomposition of haloalkanoic acid with dehalogenase |
12/03/1997 | CN1166495A Methyll cellulose producing process with plant cotton |
11/12/1997 | EP0806433A2 Compostable and thermoplastically processable mixed ether-2-hydroxycarboxylic acid ester of cellulose and mixed ester |
11/10/1997 | CA2204701A1 Compostable and thermoplastic cellulose ether-2-hydroxy-carboxylic acid esters and mixed esters |
10/30/1997 | DE19633826C1 Simple, economical preparation of water-soluble cellulose ether with recycled sodium hydroxide |
10/15/1997 | EP0801077A2 Thermoplastic material made from aliphatic carbamic acid amide derivatives of polysaccharides and low molecular weight urea derivatives, process for their preparation and their use |
10/14/1997 | US5676964 Crosslinked carboxy polysaccharides |
10/09/1997 | CA2201807A1 Thermoplastic material consisting of aliphatic carbamic acid derivatives of polysaccharides and low-molecular urea derivatives as well as a process for their preparation and use of the same |
10/07/1997 | US5674999 Process for preparing readily dispersible water-soluble cellulosic polymers |
09/25/1997 | WO1997034852A1 Cycloalkyl derivatives and the solid-phase synthesis of such derivatives |
09/25/1997 | CA2248600A1 Cycloalkyl derivatives and the solid-phase synthesis of such derivatives |
09/18/1997 | DE19610103A1 Cycloalkylderivate und ihre Synthese an fester Phase Cycloalkyl derivatives and their synthesis on solid phase |
09/16/1997 | US5667637 Paper and paper-like products including water insoluble fibrous carboxyalkyl cellulose |
09/10/1997 | CN1035803C Soluble hemostyptic fabric |
09/04/1997 | WO1997031950A1 Carboxymethyl cellulose ethers having, as substituents, long chain groups |
08/27/1997 | EP0791015A1 Cationic polymer |
08/27/1997 | EP0790829A1 Medicaments |
07/29/1997 | CA1339122C Crosslinked carboxy polysaccharides |
07/02/1997 | EP0781780A2 Polysaccharide derivative, and preparation process and use thereof |
07/02/1997 | EP0582624B1 Cationic polysaccharides |
06/26/1997 | WO1997022627A1 Process for preparing readily dispersible water-soluble cellulosic polymers |
05/28/1997 | EP0775737A1 Liquid cristalline etherified cellulose ether as interference pigment active coloring substance for effect lacquer e.g. lacquering, in particular for car bodies |
05/09/1997 | WO1997016595A1 Paper and paper-like products including water insoluble fibrous carboxyalkyl cellulose |
04/23/1997 | EP0769548A1 Antifoam dispersions for aqueous surfactant systems |
04/16/1997 | EP0767811A1 Process for comminuting cellulose ethers |
04/03/1997 | DE19544091C1 Liq. crystalline polymers for prodn. of interference pigments |
03/25/1997 | US5614616 Process for the production of polysaccharides |
03/12/1997 | EP0761689A1 Thermoplastic biodegradable polysaccharide derivatives, process for their preparation and their uses |
01/23/1997 | WO1996040168A3 Use of hydroxyethyl starch to prevent post surgical adhesion and as an intracavity carrier device |
01/07/1997 | US5591844 Construction materials |
01/02/1997 | EP0750639A1 Process for recovering cellulose ethers from an aqueous medium containing such cellulose ethers |
01/02/1997 | EP0750638A1 Chemical modification of shaped hydrogels in non-aqueous medium |
01/01/1997 | CN1139437A Modified polysaccharides having improved absorbent properties and process for the preparation thereof |
12/31/1996 | US5589589 Applying cellulose ether to sieve surfaces, agitation, flushing with air, discharging and recovering |
12/27/1996 | EP0750027A1 Use of cellulose mixed ethers as additives for earth pressure shields |
12/19/1996 | WO1996040168A2 Use of hydroxyethyl starch to prevent post surgical adhesion and as an intracavity carrier device |
12/10/1996 | US5583214 Dual functional cellulosic additives for latex compositions |
12/05/1996 | WO1996038484A1 Oxidized polymeric carbohydrate ethers for use as sequestering agent, and methods for the preparation thereof |
11/26/1996 | US5578318 Disposable sanitary products, aluminum salt of carboxylic acid containing polymers |
10/30/1996 | EP0739357A1 Modified polysaccharides having improved absorbent properties and process for the preparation thereof |
10/29/1996 | US5569483 Degraded polysaccharide derivatives |
10/23/1996 | EP0738284A1 Polysaccharide derivatives and their use for preparing stationary chiral phases suitable for separating isomers |
10/15/1996 | CA1338654C Polysaccharides containing aromatic aldehydes and their derivatization via amine-aldehyde interactions |
10/01/1996 | CA2011848C Water soluble nonionic cellulose ethers and their use in paints |
09/24/1996 | US5558861 Modified microbially-produced cellulose gel with human epidermal cells adsorbed thereon for use as a skin graft or vulnerary cover |
08/29/1996 | WO1996026220A1 Cellulose particles, method for producing them and their use |
08/27/1996 | US5550189 Modified polysaccharides having improved absorbent properties and process for the preparation thereof |
08/06/1996 | US5543162 Polymeric capsules, method of making the same, and foodstuffs containing the same |
07/03/1996 | EP0719793A1 Process for preparing water-soluble aminoalkyl derivatives of polysachariden |
06/26/1996 | EP0718310A2 Dual functional cellulosic additives for latex compositions |
06/25/1996 | US5530111 Chemical modification of shaped hydrogels in non-aqueous medium |
06/18/1996 | US5527893 Water insoluble derivatives of polyanionic polysaccharides |
06/11/1996 | US5525368 Degraded polysaccharide derivatives and foodstuffs containing same |
05/29/1996 | CN1123551A Method of making amide modified carboxyl-containing polysaccharide and fatty amidemodified polysaccharide so obtainable |
05/23/1996 | WO1996015154A1 Cationic polymer |
05/23/1996 | WO1996014851A1 Medicaments |
05/21/1996 | US5519130 Purification process by decomposition of haloalkanolic acid with dehalogenase |
05/15/1996 | DE4440246A1 Biodegradable thermoplastic fibre composite materials, used as films, mouldings, etc. |
05/08/1996 | EP0450092B1 Organic magnetic composite |
05/07/1996 | CA2071488C Base for film-coating pharmaceuticals and method for preparing same |
04/24/1996 | EP0708113A1 Process for preparing low molecular weight cellulose ethers |
04/02/1996 | US5504201 Flowing slurry into hydraulic cyclone at temperature above the gel point of the hot water insoluble ether solids; applying pressure to achieve pressure drop across cyclone |
04/02/1996 | US5504123 Dual functional cellulosic additives for latex compositions |
03/27/1996 | EP0702697A1 Method of making amide modified carboxyl-containing polysaccharide and fatty amide-modified polysaccharide so obtainable |
03/27/1996 | CA2159045A1 Process for the preparation of low molecular weight cellulose ethers |
03/19/1996 | US5500124 Process for the purifying working-up of reaction media and/or wash media obtained during preparation of cellulose ethers |
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 |
02/20/1996 | US5493013 Process for preparing cellulose ethers with cyclic ethers as suspending agents |
02/13/1996 | US5491227 Controlled molecular weight reduction of polymers |
02/08/1996 | DE4440245C1 Hydroxyalkyl-cellulose with degree of substitution below 2 |
01/30/1996 | US5488104 Process for comminuting cellulose ethers |
01/23/1996 | US5486606 Cellulosic polymer, blood-treating device, and process for producing the same |
01/11/1996 | WO1996000748A1 Process for comminuting cellulose ethers |
01/09/1996 | US5482634 Heating followed by gelation and centrifuging |
01/02/1996 | US5480984 Process of preparing high solids low viscosity polysaccharides |
12/19/1995 | US5476668 Base for film-coating pharmaceuticals and method for preparing same |
11/28/1995 | US5470964 Process for the preparation of modified polysaccharides having improved absorbent properties |
11/14/1995 | US5466461 Polysaccharide esters |
10/31/1995 | US5463037 Process for producing mixed cellulose ether |
10/31/1995 | US5463036 Carboxymethylcellulose and its use in textile printing |
10/12/1995 | CA2146716A1 Process for screening cellulose ethers |
10/11/1995 | EP0676416A2 Process for screening cellulose ethers |
10/11/1995 | EP0676415A2 Process for producing low molecular weight polysaccharide ethers |
10/06/1995 | CA2146074A1 Process for the preparation of low molecular weight polysaccharide ethers |
10/03/1995 | US5455341 Highly substituted carboxymethyl sulfoethyl cellulose ethers (CMSEC), a process for their production and their use in textile printing |
09/21/1995 | WO1995025127A1 Process for recovering cellulose ethers from an aqueous medium containing such cellulose ethers |
08/23/1995 | EP0668078A2 Cross-linked polysaccharides used as absorbant materials |
08/16/1995 | CA2140979A1 Crosslinked polysaccharides useful as absorbent materials |