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