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