Patents for C08B 1 - Preparatory treatment of cellulose for making derivatives thereof (2,184) |
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03/24/1982 | EP0048231A1 Oligosaccharides having selective anticoagulation activity |
03/23/1982 | US4321360 Production of carbohydrates |
03/04/1982 | WO1982000569A1 Method for obtaining clear vegetable juices and for the recovery of valorizable constituents |
03/02/1982 | US4317752 Polyurethane foams; insulation; construction materials |
02/16/1982 | CA1118381A1 Nontoxic cellulose solvent and process for forming and utilizing the same |
02/09/1982 | US4314854 In the presence of a manganese compound |
01/26/1982 | CA1116808A1 Process for making amine oxide solution of cellulose |
01/06/1982 | EP0043342A1 A method for the delignification of wood and other ligno-cellulosic products |
12/16/1981 | EP0041771A2 Heparin web and process |
12/15/1981 | US4306061 Preparation of CMC with improved substituent uniformity using borax |
12/15/1981 | US4306060 Process for preparation of cellulose acetate |
12/09/1981 | EP0041364A1 Method of preparing hydroxyethyl ethers of cellulose |
12/01/1981 | US4303651 Heparin fragments having selective anticoagulation activity |
11/26/1981 | WO1981003332A1 Production of lignin-cellulose resins and carbohydrates |
11/26/1981 | WO1981003277A1 Heparin web and process |
11/26/1981 | WO1981003276A1 Improved anticoagulant substance |
11/24/1981 | US4302252 Solvent system for cellulose |
11/12/1981 | WO1981003176A1 Process to break down cellulose polymers and produce cellular solid or solid reaction products |
11/04/1981 | EP0038925A2 Process for making almost dry alkali cellulose |
11/03/1981 | US4298728 Method of preparing hydroxyethyl ethers of cellulose |
10/27/1981 | CA1111206A1 Process for making a shapeable cellulose and shaped cellulose products |
10/13/1981 | CA1110404A1 Process for making a precursor of a solution of cellulose |
10/07/1981 | EP0037319A1 Mucopolysaccharides having biological properties; their preparation and use as medicines |
10/06/1981 | CA1110009A1 Process for the preparation of solutions of cellulose derivatives which can be coagulated and spun to form regenerated cellulose bodies |
10/01/1981 | WO1981002737A1 Mucopolysaccharides having biological properties,preparation and application thereof as drugs |
09/29/1981 | US4292214 Process for the production of polyurethane products |
09/01/1981 | US4287334 Process for manufacturing viscose |
08/27/1981 | EP0012751A4 Preparation of trichloro-s-triazine activated supports. |
08/18/1981 | US4284545 Tertiary amine oxide solvent and water |
08/11/1981 | US4283311 Process for the production of broken down cellulose copolymers |
08/04/1981 | CA1106364A1 Production of cellulose acetate |
07/14/1981 | US4278790 Lithium chloride, dimethylacetamide |
06/23/1981 | US4275195 Process and apparatus for expediting the mercerization of alkali cellulose |
05/26/1981 | US4269973 Continuous high-speed mercerization using a radio frequency energy field to produce depolymerization |
05/19/1981 | US4268666 Process for the dissolution of cellulose in organic solvents, solutions obtained by said process, and process for the production of formed bodies of regenerated cellulose from said solutions |
05/05/1981 | US4265675 Nontoxic cellulose solvent and process for forming and utilizing the same |
04/16/1981 | WO1981001004A1 Oligo saccharidic fractions and oligo saccharides having biological properties,preparation process thereof and applications thereof as medicaments |
04/15/1981 | EP0027089A1 Oligosaccharide fractions and oligosaccharides with biological properties, process for their preparation and their uses as medicines |
03/17/1981 | US4256613 Composition and process for making precipitated nylon-cellulose biconstituent composition |
03/03/1981 | US4254258 Process for the preparation of cellulose ether derivatives |
02/24/1981 | CA1096106A1 Cellulose - solvant dmso formol |
02/11/1981 | EP0023527A1 Processes and apparatus for making and depolymerising alkali cellulose |
02/04/1981 | EP0023292A1 Process for preparing cellulose derivatives with highly reactive alkali cellulose |
01/07/1981 | EP0021264A1 Process for the delignification of lignocellulosic materials |
01/07/1981 | EP0020601A1 A process for de-inking paper pulp |
12/16/1980 | US4239906 Method for obtaining a purified cellulose product from corn hulls |
12/02/1980 | US4237274 Process for the preparation of solutions of cellulose derivatives which can be coagulated and spun to form regenerated cellulose _bodies |
10/21/1980 | US4229537 Preparation of trichloro-s-triazine activated supports for coupling ligands |
10/07/1980 | US4226982 Process to break down cellulose polymers and produce cellular solid or solid reaction products |
10/07/1980 | CA1087176A1 Method for treatment of corn hulls |
09/02/1980 | CA1084913A1 Process for the preparation of alkali cellulose |
08/06/1980 | EP0014184A2 Heparin fragments having a selective anticoagulation activity and process for their preparation |
07/10/1980 | WO1980001383A1 Heparin fragments having selective anticoagulation activity |
07/09/1980 | EP0012928A1 Process for making viscose |
07/09/1980 | EP0012751A1 Preparation of trichloro-s-triazine activated supports. |
07/01/1980 | US4210747 From cellulose pulp raw materials |
06/10/1980 | CA1079005A1 Cellulose solutions and products prepared therefrom |
05/29/1980 | WO1980001085A1 A process for de-inking paper pulp |
05/01/1980 | WO1980000842A1 Method for cross-linking carboxymethylcellulose and product obtained |
04/30/1980 | EP0010519A1 Process for cross-linking carboxymethyl cellulose and products obtained by this process |
04/22/1980 | CA1076108A1 Process for the separation and/or purification of oligo- and polyhydroxy compounds |
04/15/1980 | CA1075403A1 Solvent system for polysaccharides |
04/01/1980 | US4196282 Process for making a shapeable cellulose and shaped cellulose products |
11/27/1979 | CA1067071A1 Method of preparing polysaccharide ethers and apparatus |
10/23/1979 | US4172195 Blocking |
08/23/1979 | WO1979000609A1 Preparation of trichloro-s-triazine activated supports |
08/07/1979 | US4163840 Process and apparatus for making alkali cellulose in sheet form |
07/24/1979 | US4162359 Production of cellulose acetate |
07/17/1979 | US4161423 Use of a dissolved cellulose as a dry strength agent and drainage aid for paper |
03/20/1979 | US4145532 Process for making precipitated cellulose |
03/13/1979 | US4144080 Process for making amine oxide solution of cellulose |
03/06/1979 | US4142913 Process for making a precursor of a solution of cellulose |
01/30/1979 | US4137399 Cellulose dissolved in dimethylsulfoxide and polyhydroxymethylene |
01/23/1979 | CA1047034A1 Activated alkali cellulose and derivatives formed therefrom and a process for making the same |
01/09/1979 | CA1045755A1 Process for adding particulate cellulose to alkali cellulose |
12/12/1978 | US4129451 In dimethyl sulfoxide and formaldehyde |
08/01/1978 | US4104463 Alkaline hydrolysis |
06/27/1978 | US4097666 Dimethyl sulfoxide and formaldehyde |
06/06/1978 | US4093507 Multicycle compression with rotating paddle wheel |
07/26/1977 | US4038481 Method for treatment of corn hulls |
06/07/1977 | US4028132 Cellulose solutions and products prepared therefrom |
03/29/1977 | US4015067 Method of preparing polysaccharide ethers and apparatus |
05/04/1976 | US3954497 Hydrolysis of deciduous wood |
01/27/1976 | US3935022 Method for the removal of hemicellulose from hemicellulose-containing caustic liquors |