Patents for C08B 1 - Preparatory treatment of cellulose for making derivatives thereof (2,184)
07/1986
07/01/1986US4597798 Using aliphatic quaternary ammonium halide and solvent which dissolves the halide
06/1986
06/11/1986EP0097685B1 Procedure for precipitating cellulose carbamate
05/1986
05/28/1986EP0097684B1 Procedure for producing soluble cellulose carbamate
05/20/1986US4590265 Carboxylated cellulose ester and manufacture thereof
05/14/1986EP0181249A1 Enzymatic preparation of a pulp for chemical use
03/1986
03/04/1986CA1201368A1 Method for increasing the sensitivity of assays
02/1986
02/26/1986EP0172191A1 Modified cellulose fibres.
02/13/1986WO1986000906A1 Process for the synthesis of aldosides or polyaldosides of alkyl, cycloalkyl or alkenyl
01/1986
01/03/1986WO1986000079A1 Gel of crosslinked hyaluronic acid for use as a vitreous humor substitute
01/02/1986EP0165963A1 Process for the recovery of a gelforming polysaccharide, the recovered polysaccharide as well as the gel formed therewith.
12/1985
12/05/1985WO1985005362A1 Orally active heparin multiplets
11/1985
11/13/1985EP0161212A1 Glycosaminoglycans for use in cosmetology
11/07/1985WO1985004884A1 Glycosaminoglycanic polymer usable in cosmetology
11/05/1985US4551341 Method for obtaining clear plant juices and for the recovery of valorizable constituents
10/1985
10/08/1985CA1194863A1 Process for the preparation of cellulose ethers from ammonia-activated cellulose
10/01/1985CA1194441A1 Oligosaccharides having anti-xa activity process for obtaining them and pharmaceutical compositions containing them
08/1985
08/29/1985WO1985003710A1 A process for making cationic starch
08/28/1985EP0153182A2 Process for producing finely divided cellulose particles
08/15/1985WO1985003509A1 Modified polysaccharide materials
07/1985
07/24/1985EP0149197A2 Pharmaceutical compositions containing drugs which are sparingly soluble in water or instable and methods for their preparation
07/17/1985EP0148259A1 Stabilized chitin
07/10/1985EP0147634A2 Cellulose dope, process for preparation and method for application thereof
07/04/1985WO1985002767A1 Pharmaceutical compositions containing drugs which are instable or sparingly soluble in water and methods for their preparation
06/1985
06/20/1985WO1985002626A1 Process for the recovery of a gelforming polysaccharide, the recovered polysaccharide as well as the gel formed therewith
05/1985
05/28/1985US4520105 Sacchartfication by heating with wateer and lower aliphatic alcohols or ketones
04/1985
04/16/1985US4511433 Method for the simultaneous delignification of wood and other ligno-cellulosic materials and hydrolysis of the hemicellulose component thereof
04/02/1985CA1184904A1 Preparation of highly reactive cellulose
02/1985
02/06/1985EP0063124B1 Method for obtaining clear vegetable juices and for the recovery of valorizable constituents
01/1985
01/29/1985US4496550 Oligosaccharides having selective anticoagulation activity
01/17/1985WO1985000109A1 Stabilized chitin
01/01/1985US4491661 Process for the preparation of cellulose ethers from ammonia-activated cellulose
01/01/1985US4491504 Apparatus for treating cellulosic material with a screw feeder extending internally within a treatment vessel
12/1984
12/04/1984US4486585 Carbamates from reaction with urea
10/1984
10/02/1984US4474770 Antithrombotic agents, blood factor ten a
09/1984
09/04/1984CA1173825A1 Method for continuous saccharification of cellulose of plant raw material
08/1984
08/15/1984EP0115574A1 Cosmetic preparation on the basis of quaternary chitosan derivatives, quaternary chitosan derivatives and process for their preparation
08/08/1984EP0114987A2 Apparatus for treating cellulosic material
07/1984
07/24/1984CA1171375A1 Oligosaccharides having selective anticoagulation activity
07/18/1984EP0113599A1 Process for the organic synthesis of oligonucleotides containing galactosamin-uron-acid motives, oligosaccharides obtained and their biological applications
07/17/1984CA1171082A1 Preparation of cmc with improved substituent uniformity using borax
06/1984
06/26/1984US4456749 Contacting with aqueous alkali, then sulfuric acid containing sodium, aluminum, magnesium, zinc, or calcium ions
06/21/1984WO1984002343A1 Cosmetic products based on quaternary chitosan derivatives, new quaternary chitosan derivatives, and production process thereof
06/05/1984EP0086821A4 A method for increasing the sensitivity of assays.
05/1984
05/29/1984US4451563 Method for increasing the sensitivity of assays
05/23/1984EP0108991A1 Process for preparing cellulose ethers from cellulose activated by ammonia
05/15/1984CA1167204A1 Method for the delignification of wood and other ligno-cellulosic products
05/10/1984WO1984001777A1 Method for carrying out the organic synthesis of oligosaccharides containing galactosamine-uronic acid patterns, new oligosaccharides obtained and biological applications thereof
02/1984
02/21/1984US4432805 Hydrolysis raw materials with sulfuric acid solution in flow reactor, discharging into blow tank, expansion, and separation
01/1984
01/24/1984CA1161035A1 Prevention of hornification of dissolving pulp
01/11/1984EP0097685A1 Procedure for precipitating cellulose carbamate.
01/11/1984EP0097684A1 Procedure for producing soluble cellulose carbamate.
11/1983
11/08/1983CA1156650A1 Heparin web and process
11/08/1983CA1156649A1 Process for activating cellulose pulp to improve ease of esterification
10/1983
10/25/1983CA1155837A1 Method of preparing hydroxyethyl ethers of cellulose
10/11/1983US4409384 Viscose preparation using low concentration caustic
10/05/1983EP0090271A2 Stabilization of alkali polysaccharides
09/1983
09/27/1983CA1154208A1 Process for the delignification of lignocellulose materials
09/21/1983EP0089077A2 Process for treating lignocellulosic materials
08/1983
08/31/1983EP0086821A1 A method for increasing the sensitivity of assays.
08/30/1983US4401758 Depolymerizing or fragmentation of heparin; controlling thrombosis
08/30/1983US4401662 Controlling thrombosis; hemostatic agents; surgery
08/16/1983US4399275 Hydroxyalkylation, acetylation, mercerization
07/1983
07/20/1983EP0012751B1 Preparation of trichloro-s-triazine activated supports
07/07/1983WO1983002279A1 Procedure for precipitating cellulose derivative
07/07/1983WO1983002278A1 Procedure for producing soluble cellulose derivatives
07/05/1983US4391973 Readily hydratable cellulose and preparation thereof
05/1983
05/25/1983EP0079766A2 Viscose preparation using low concentration caustic
05/24/1983US4385172 Prevention of hornification of dissolving pulp
05/17/1983US4384113 Contacting with tetravalent onium salt prior to mixing with a strong base
05/11/1983WO1983001622A1 Polysaccharide-based product
05/10/1983US4383078 Process for the production of alkali metal polyhydroxy lignin-cellulose polymer
04/1983
04/20/1983EP0077287A2 Method for increasing the digestibility of cellulose-containing animal feedstuffs
03/1983
03/22/1983CA1143373A1 Cellulose floc granules and process
03/17/1983WO1983000876A1 A method for increasing the sensitivity of assays
03/08/1983US4376171 Lignin, cellulose, polyurethane foam
03/08/1983CA1142305A1 Solvent system for cellulose
02/1983
02/22/1983CA1141758A1 Microfibrillated cellulose
02/08/1983US4373098 Subsequent xanthation, viscose
01/1983
01/04/1983US4367191 Preparation of cellulose films or fibers from cellulose solutions
11/1982
11/30/1982CA1136620A1 Heparin fragments having selective anticoagulation activity
11/16/1982US4359548 Polyesterurethane copolymers
10/1982
10/28/1982WO1982003627A1 Method for obtaining biologically active mucopolysaccharides of high purity, by controlled depolimerization of heparin
10/27/1982EP0063124A1 Method for obtaining clear vegetable juices and for the recovery of valorizable constituents.
10/05/1982US4352770 Process for forming shaped cellulosic product
09/1982
09/28/1982US4351938 Anticoagulant substance
09/21/1982US4350566 Digestion; wood pulping; papermaking
07/1982
07/27/1982US4341892 Preparation of alkali cellulose having a low water content
07/27/1982CA1128504A1 Process for manufacturing viscose
07/14/1982EP0055820A1 Preparation of CMC with improved substituent uniformity using borax
07/13/1982US4339573 Preparation of cellulose derivatives using highly reactive alkali cellulose
07/13/1982US4339366 Process for the production of polyester resins
06/1982
06/29/1982US4337095 Hydroxymethyl cellulose from paraformaldehyde and cellulose
06/22/1982US4336370 Process for activating cellulose pulp to improve ease of esterification
06/22/1982US4336340 Process for the production of broken-down organic lignin-cellulose polymers
06/16/1982EP0053612A1 Improved anticoagulant substance
05/1982
05/26/1982EP0052097A1 Production of lignin-cellulose resins and carbohydrates
05/25/1982CA1124190A1 Methods of using trichloro-s-triazine for coupling enzymes and affinity ligands to solid-phase supports
05/05/1982EP0050622A1 Process to break down cellulose polymers and produce cellular solid or solid reaction products
04/1982
04/13/1982US4324593 Shapeable tertiary amine N-oxide solution of cellulose, shaped cellulose product made therefrom and process for preparing the shapeable solution and cellulose products
04/01/1982WO1982001005A1 Oligosaccharides having selective anticoagulation activity
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