Patents for C08B 1 - Preparatory treatment of cellulose for making derivatives thereof (2,184)
11/2000
11/16/2000WO2000068271A1 Method for producing a spinning solution of cellulose in n-methylmorpholin-n-oxide-monohydrate, solutions thus obtained and regenerated cellulose fibers obtained therefrom by spinning
11/16/2000DE19921755A1 Verfahren zur Herstellung einer Spinnlösung von Zellstoff in N-Methylmorpholin-N-oxid-Monohydrat, die damit erhältlichen Lösungen sowie die daraus durch Verspinnen erhältlichen Regeneratcellulosefasern A process for preparing a spinning solution of cellulose in N-methylmorpholine-N-oxide-monohydrate, the solutions thus obtainable and the regenerated cellulose fiber obtainable therefrom by spinning
11/15/2000EP0918798B1 Method for the production of cellulosic shaped bodies
11/14/2000US6146858 Pretreating cellulose by incubating with endoglucanase, separating out the cellulose, then reacting activated cellulose with alkene oxides in presence of alkali catalyst to produce hydroxyalkyl cellulose; increased substitution
11/07/2000US6143884 Manufacturing process of cellulose viscose with low viscosity
10/2000
10/31/2000US6140497 Process for preparing a spinnable, isotropic cellulose solution
10/31/2000CA2209790C Microfibrillated cellulose and method for preparing same from primary wall plant pulp, particularly sugar beet pulp
09/2000
09/28/2000WO2000056683A1 Method for producing alcohol surfactants and alcohol ether surfactants, the products obtained and their use
09/21/2000DE19912418A1 Verfahren zur Herstellung von Tensidalkoholen und Tensidalkoholethern, die hergestellten Produkte und ihre Verwendung A process for the preparation of surfactant alcohols and surfactant alcohol ethers, the manufactured products and their use
09/06/2000EP1033385A2 Method of producing a shaped article from a cellulose solution
08/2000
08/31/2000WO2000050621A2 Process for producing nitrosoniom ions from a nitroxyl compound, their application in the selective oxidation of primary alcohols, and novel carbohydrate aldehydes
08/31/2000WO2000050388A1 Process for producing nitrosonium ions
08/31/2000CA2362717A1 Process for selective oxidation of primary alcohols and novel carbohydrate aldehydes
08/22/2000US6106888 Process for treating cellulosic materials
08/22/2000US6106763 Process for producing cellulosic mouldings
08/17/2000WO2000047628A2 Derivatized microfibrillar polysaccharide
08/09/2000EP1025177A1 Method for joining objects which have a surface consisting of a cellulosic material
08/02/2000EP1023325A1 Method for activating polysaccharides
07/2000
07/19/2000EP1019443A1 Reactive cellulose and method for making same
07/11/2000US6086712 DOM control in cellulose pulp production
06/2000
06/14/2000EP1007554A1 Oil bodies and associated proteins as affinity matrices
05/2000
05/03/2000EP0996640A1 Method for producing cellulose derivatives
04/2000
04/19/2000CN1051561C Concentrating method for styrene butadiene rubber latex
04/05/2000EP0990443A2 Medicinal compositions
04/05/2000EP0782603B1 Liquid crystal solutions based on cellulose and at least one phosphoric acid
04/05/2000CN1051093C Method for manufacture of nm Avicel powder by solvent process
04/04/2000US6045587 Method of reducing color and polymerization decay of cellulose viscose
03/2000
03/29/2000EP0700462B1 Formation of a cellulose-based premix
03/23/2000WO2000015668A1 Process of changing the microscopic structure of cellulosic materials by multiple explosion treatments with supercritical carbon dioxide
03/22/2000CN1248274A Method for producing regular porous cellulose pearls, corresponding cellulose pearls and use thereof
02/2000
02/24/2000WO2000009563A1 Method for producing a cellulose suspension
02/23/2000CN1245503A Oil bodies and associated proteins as affinity matrices
02/22/2000US6027536 Method for the preparation of a material with high water and salt solutions absorbency
02/16/2000EP0612326B1 Cereal extracts
02/08/2000US6022614 Method for preparing a cellulose formate solution by impregnating and kneading cellulose slabs
01/2000
01/18/2000US6014997 Obtained by a process for making extrudates from an optically anisotropic solution containing cellulose, phosphoric acid or its anhydride, water and after treating to have spcified acidity; tire yarns
01/12/2000EP0817802B1 Method of producing solutions of cellulose in water-containing tertiary-amin-n-oxides
01/12/2000CN1241225A Aqueous coagulating agent for liquid crystal solutions with base of cellulose substances
01/05/2000EP0836622B1 Method for preparing a cellulose formate solution by impregnating and kneading cellulose slabs
01/05/2000CN1240488A Coagulating agent for liquid crystal solutions with base of cellulose substances
12/1999
12/29/1999EP0966486A2 Method for producing regular porous cellulose pearls, corresponding cellulose pearls and use thereof
12/28/1999US6007750 Process for forming a cellulose sponge
12/22/1999CN1047640C Method of producing sulphate pulp through steamed and pulverized cellulose fiber
11/1999
11/25/1999WO1999060026A1 Cellulosic solutions and their uses
11/24/1999CN1236377A Composition containing fine solid particles
11/23/1999US5988437 Device for draining or storing viscous materials
11/11/1999WO1999056555A1 Process and apparatus for treating cellulosic materials
11/11/1999DE19837210C1 Continuous production of cellulose suspension useful for producing solution for making e.g. fibers, filaments and film
10/1999
10/28/1999WO1999054361A1 Method for activating and derivatizing cellulose
10/21/1999DE19817454A1 Method for activating and derivatising cellulose
10/15/1999WO2001027161A1 Method and device for continually producing an extrusion solution
10/14/1999DE19814137A1 Verfahren zum Austreiben von Ammoniak aus einem aktivierten Polysaccharid A method for stripping of ammonia from an activated polysaccharide
10/12/1999US5964983 Containing 80 percent of primary walls and where in primary walls are charged or contain uronic acids; as thickeners, for low calorie food products, in paints, paper, textiles, agriculture, cosmetics, pharmaceutical excipients
10/07/1999WO1999050304A1 Method for driving out ammonia from an activated polysaccharide
10/06/1999EP0946597A1 Preparation of chemically reactive polysaccharides
10/06/1999CN1230900A Device for draining or storing viscous materials
09/1999
09/29/1999CN1230199A Method for prodn. of cellulosic shaped bodies
09/23/1999WO1999047567A1 Method for metering a mixture of liquid ammonia and an additive into a solid and corresponding metering device
09/23/1999WO1999047250A1 Device, method and pressurized reactor for the treatment of solids with liquefied gases under pressure
09/16/1999DE19910562A1 Treating solid materials with a liquid gas
09/16/1999DE19810740A1 Sequenced batch production of ammonia addition compounds using pressurizable reactor
09/09/1999DE19809765A1 Twisted hydrated cellulose fibers useful for the pile of cleaning, decontamination or water treatment cloth
09/07/1999US5948905 Efficient and simple proceess by heating and pressurizing mixture of undissolved cellulose, tertiary amine n-oxides and water; flash evaporation of mixture at reduced pressure; obtaining cellulose solution
08/1999
08/19/1999WO1999031141A3 Method for producing regular porous cellulose pearls, corresponding cellulose pearls and use thereof
08/17/1999US5939544 Process for activating polysaccharides, polysaccharides produced by this process, and use thereof
08/17/1999US5938971 Liquid crystal solutions having a base of cellulose and at least one phosphoric acid
08/04/1999EP0932710A1 Aqueous coagulating agent for liquid crystal solutions with base of cellulose substances
08/04/1999EP0932709A1 Coagulating agent for liquid crystal solutions with base of cellulose substances
08/04/1999CN1044480C Process for producing cellulose acetate
08/03/1999US5932158 Cellulose solutions and products made therefrom
07/1999
07/27/1999US5929228 Kneading and dissolving raw cellulose into solvent solution of n-methyl morpholine oxide, n-methylol caprolactam, and tetramethylammonium chloride with thin film evaporator; solution also contains anti-polymerization degrading agent
07/21/1999EP0929702A1 Method for the manufacture of an extruded lyocell article
07/21/1999EP0767848B1 Plant for crushing a cellulose material
07/13/1999US5921675 Method for keeping and delivering a homogeneous cellulose suspension
06/1999
06/30/1999CN1043898C Method of preparing cellulose solutions
06/24/1999WO1999031141A2 Method for producing regular porous cellulose pearls, corresponding cellulose pearls and use thereof
06/23/1999EP0923411A1 Device for draining or storing viscous materials
06/16/1999EP0817803B1 Process for activating polysaccharides, polysaccharides produced by this process, and use thereof
06/02/1999EP0918815A1 Composition containing fine solid particles
06/02/1999EP0918798A1 Method for the production of cellulosic shaped bodies
06/02/1999EP0777768B1 Cellulose solutions and products made therefrom
06/02/1999EP0764127B1 Device for holding and discharging a homogeneous cellulose suspension
05/1999
05/26/1999EP0918101A1 Process for the production of cellulosic articles
05/18/1999US5904818 Process for the regeneration of an aqueous process liquid of the amine-oxide process
05/06/1999WO1999021931A1 Method for joining objects which have a surface consisting of a cellulosic material
04/1999
04/29/1999DE19755353C1 Production of porous cellulose beads
04/28/1999EP0910585A1 Production of cellulose carbamate
04/08/1999WO1999016793A1 Method for activating polysaccharides
04/07/1999EP0906455A1 Process for preparing a homogeneous cellulose solution using n-methylmorpholine-n-oxide
04/01/1999DE19742692A1 Verfahren zur Aktivierung von Polysacchariden A process for the activation of polysaccharides
03/1999
03/30/1999US5888288 N-methylmorpholine-n-oxide solvent, pervents discoloration of lyocell fibers at increased productivity, positive displacement means
03/17/1999CN1211257A Method for the preparation of a material with a high water and salt solutions absorbency
03/10/1999EP0811031B1 Process for producing a cellulose sponge
03/10/1999CN1210566A Preparation of spinnable isotropic cellulose solution
03/02/1999US5876779 Method of producing a cellulose-containing cereal extract
02/1999
02/11/1999DE19734239A1 Biodegradable twisted fibers of hydrated cellulose
02/03/1999CN1207104A Method for producing cellulose derivatives
02/03/1999CN1206762A Dissolved solids control in pulp production
01/1999
01/21/1999WO1999002568A1 Method for producing cellulose derivatives
01/21/1999CA2296531A1 Method for producing cellulose derivatives
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