Patents for C08B 1 - Preparatory treatment of cellulose for making derivatives thereof (2,184) |
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11/16/2000 | WO2000068271A1 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 |
11/16/2000 | DE19921755A1 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 |
11/15/2000 | EP0918798B1 Method for the production of cellulosic shaped bodies |
11/14/2000 | US6146858 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 |
11/07/2000 | US6143884 Manufacturing process of cellulose viscose with low viscosity |
10/31/2000 | US6140497 Process for preparing a spinnable, isotropic cellulose solution |
10/31/2000 | CA2209790C Microfibrillated cellulose and method for preparing same from primary wall plant pulp, particularly sugar beet pulp |
09/28/2000 | WO2000056683A1 Method for producing alcohol surfactants and alcohol ether surfactants, the products obtained and their use |
09/21/2000 | DE19912418A1 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 |
09/06/2000 | EP1033385A2 Method of producing a shaped article from a cellulose solution |
08/31/2000 | WO2000050621A2 Process for producing nitrosoniom ions from a nitroxyl compound, their application in the selective oxidation of primary alcohols, and novel carbohydrate aldehydes |
08/31/2000 | WO2000050388A1 Process for producing nitrosonium ions |
08/31/2000 | CA2362717A1 Process for selective oxidation of primary alcohols and novel carbohydrate aldehydes |
08/22/2000 | US6106888 Process for treating cellulosic materials |
08/22/2000 | US6106763 Process for producing cellulosic mouldings |
08/17/2000 | WO2000047628A2 Derivatized microfibrillar polysaccharide |
08/09/2000 | EP1025177A1 Method for joining objects which have a surface consisting of a cellulosic material |
08/02/2000 | EP1023325A1 Method for activating polysaccharides |
07/19/2000 | EP1019443A1 Reactive cellulose and method for making same |
07/11/2000 | US6086712 DOM control in cellulose pulp production |
06/14/2000 | EP1007554A1 Oil bodies and associated proteins as affinity matrices |
05/03/2000 | EP0996640A1 Method for producing cellulose derivatives |
04/19/2000 | CN1051561C Concentrating method for styrene butadiene rubber latex |
04/05/2000 | EP0990443A2 Medicinal compositions |
04/05/2000 | EP0782603B1 Liquid crystal solutions based on cellulose and at least one phosphoric acid |
04/05/2000 | CN1051093C Method for manufacture of nm Avicel powder by solvent process |
04/04/2000 | US6045587 Method of reducing color and polymerization decay of cellulose viscose |
03/29/2000 | EP0700462B1 Formation of a cellulose-based premix |
03/23/2000 | WO2000015668A1 Process of changing the microscopic structure of cellulosic materials by multiple explosion treatments with supercritical carbon dioxide |
03/22/2000 | CN1248274A Method for producing regular porous cellulose pearls, corresponding cellulose pearls and use thereof |
02/24/2000 | WO2000009563A1 Method for producing a cellulose suspension |
02/23/2000 | CN1245503A Oil bodies and associated proteins as affinity matrices |
02/22/2000 | US6027536 Method for the preparation of a material with high water and salt solutions absorbency |
02/16/2000 | EP0612326B1 Cereal extracts |
02/08/2000 | US6022614 Method for preparing a cellulose formate solution by impregnating and kneading cellulose slabs |
01/18/2000 | US6014997 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 |
01/12/2000 | EP0817802B1 Method of producing solutions of cellulose in water-containing tertiary-amin-n-oxides |
01/12/2000 | CN1241225A Aqueous coagulating agent for liquid crystal solutions with base of cellulose substances |
01/05/2000 | EP0836622B1 Method for preparing a cellulose formate solution by impregnating and kneading cellulose slabs |
01/05/2000 | CN1240488A Coagulating agent for liquid crystal solutions with base of cellulose substances |
12/29/1999 | EP0966486A2 Method for producing regular porous cellulose pearls, corresponding cellulose pearls and use thereof |
12/28/1999 | US6007750 Process for forming a cellulose sponge |
12/22/1999 | CN1047640C Method of producing sulphate pulp through steamed and pulverized cellulose fiber |
11/25/1999 | WO1999060026A1 Cellulosic solutions and their uses |
11/24/1999 | CN1236377A Composition containing fine solid particles |
11/23/1999 | US5988437 Device for draining or storing viscous materials |
11/11/1999 | WO1999056555A1 Process and apparatus for treating cellulosic materials |
11/11/1999 | DE19837210C1 Continuous production of cellulose suspension useful for producing solution for making e.g. fibers, filaments and film |
10/28/1999 | WO1999054361A1 Method for activating and derivatizing cellulose |
10/21/1999 | DE19817454A1 Method for activating and derivatising cellulose |
10/15/1999 | WO2001027161A1 Method and device for continually producing an extrusion solution |
10/14/1999 | DE19814137A1 Verfahren zum Austreiben von Ammoniak aus einem aktivierten Polysaccharid A method for stripping of ammonia from an activated polysaccharide |
10/12/1999 | US5964983 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 |
10/07/1999 | WO1999050304A1 Method for driving out ammonia from an activated polysaccharide |
10/06/1999 | EP0946597A1 Preparation of chemically reactive polysaccharides |
10/06/1999 | CN1230900A Device for draining or storing viscous materials |
09/29/1999 | CN1230199A Method for prodn. of cellulosic shaped bodies |
09/23/1999 | WO1999047567A1 Method for metering a mixture of liquid ammonia and an additive into a solid and corresponding metering device |
09/23/1999 | WO1999047250A1 Device, method and pressurized reactor for the treatment of solids with liquefied gases under pressure |
09/16/1999 | DE19910562A1 Treating solid materials with a liquid gas |
09/16/1999 | DE19810740A1 Sequenced batch production of ammonia addition compounds using pressurizable reactor |
09/09/1999 | DE19809765A1 Twisted hydrated cellulose fibers useful for the pile of cleaning, decontamination or water treatment cloth |
09/07/1999 | US5948905 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 |
08/19/1999 | WO1999031141A3 Method for producing regular porous cellulose pearls, corresponding cellulose pearls and use thereof |
08/17/1999 | US5939544 Process for activating polysaccharides, polysaccharides produced by this process, and use thereof |
08/17/1999 | US5938971 Liquid crystal solutions having a base of cellulose and at least one phosphoric acid |
08/04/1999 | EP0932710A1 Aqueous coagulating agent for liquid crystal solutions with base of cellulose substances |
08/04/1999 | EP0932709A1 Coagulating agent for liquid crystal solutions with base of cellulose substances |
08/04/1999 | CN1044480C Process for producing cellulose acetate |
08/03/1999 | US5932158 Cellulose solutions and products made therefrom |
07/27/1999 | US5929228 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 |
07/21/1999 | EP0929702A1 Method for the manufacture of an extruded lyocell article |
07/21/1999 | EP0767848B1 Plant for crushing a cellulose material |
07/13/1999 | US5921675 Method for keeping and delivering a homogeneous cellulose suspension |
06/30/1999 | CN1043898C Method of preparing cellulose solutions |
06/24/1999 | WO1999031141A2 Method for producing regular porous cellulose pearls, corresponding cellulose pearls and use thereof |
06/23/1999 | EP0923411A1 Device for draining or storing viscous materials |
06/16/1999 | EP0817803B1 Process for activating polysaccharides, polysaccharides produced by this process, and use thereof |
06/02/1999 | EP0918815A1 Composition containing fine solid particles |
06/02/1999 | EP0918798A1 Method for the production of cellulosic shaped bodies |
06/02/1999 | EP0777768B1 Cellulose solutions and products made therefrom |
06/02/1999 | EP0764127B1 Device for holding and discharging a homogeneous cellulose suspension |
05/26/1999 | EP0918101A1 Process for the production of cellulosic articles |
05/18/1999 | US5904818 Process for the regeneration of an aqueous process liquid of the amine-oxide process |
05/06/1999 | WO1999021931A1 Method for joining objects which have a surface consisting of a cellulosic material |
04/29/1999 | DE19755353C1 Production of porous cellulose beads |
04/28/1999 | EP0910585A1 Production of cellulose carbamate |
04/08/1999 | WO1999016793A1 Method for activating polysaccharides |
04/07/1999 | EP0906455A1 Process for preparing a homogeneous cellulose solution using n-methylmorpholine-n-oxide |
04/01/1999 | DE19742692A1 Verfahren zur Aktivierung von Polysacchariden A process for the activation of polysaccharides |
03/30/1999 | US5888288 N-methylmorpholine-n-oxide solvent, pervents discoloration of lyocell fibers at increased productivity, positive displacement means |
03/17/1999 | CN1211257A Method for the preparation of a material with a high water and salt solutions absorbency |
03/10/1999 | EP0811031B1 Process for producing a cellulose sponge |
03/10/1999 | CN1210566A Preparation of spinnable isotropic cellulose solution |
03/02/1999 | US5876779 Method of producing a cellulose-containing cereal extract |
02/11/1999 | DE19734239A1 Biodegradable twisted fibers of hydrated cellulose |
02/03/1999 | CN1207104A Method for producing cellulose derivatives |
02/03/1999 | CN1206762A Dissolved solids control in pulp production |
01/21/1999 | WO1999002568A1 Method for producing cellulose derivatives |
01/21/1999 | CA2296531A1 Method for producing cellulose derivatives |