Patents for C08B 1 - Preparatory treatment of cellulose for making derivatives thereof (2,184)
06/2002
06/19/2002CN1354623A Process and apparatus for treating cellulosic material
06/19/2002CN1086428C Method for carrying out spinning to liquid crystal solution based on cellulose material and spinning products obtained by said method
06/19/2002CN1086427C Cellulose fibre and method for making spinning product containing same and product with said fibre
06/12/2002CN1353310A Process for preparing cellopolyose reagents series simultaneously
06/05/2002CN1085994C Process for producikng cellulose shaped bodies and regenerated aqueous solution of tertiary amine oxide
05/2002
05/22/2002EP0648808B1 Cellulose molding solution and process for molding therefrom
05/21/2002US6392035 Active celulose; for use in generating matrices
05/21/2002US6392034 Microcrystalline cellulose
05/10/2002WO2002036636A1 Cellulose ethers and method of preparing the same
05/10/2002CA2427698A1 Cellulose ethers and method of preparing the same
05/08/2002DE10016307C2 Verfahren zur Herstellung und Verarbeitung einer Celluloselösung Process for the preparation and processing of a cellulose solution
05/08/2002CN1084336C Process for producing cellulose formate solution through impregnating and kneading cellulose slabs
04/2002
04/24/2002CN1083454C Process for activating polysaccharides, polysaccharides produced by this process, and use thereof
04/11/2002US20020040747 Aqueous coagulating agent for liquid-crystal solutions with base of cellulose materials
04/10/2002CN1344237A Method for producing alcohol surfactants and alcohol ether surfactants, products obtained and their use
04/02/2002US6365732 Process for obtaining stereoisomers from biomass
03/2002
03/27/2002EP1191038A1 Process for preparing homogeneous cellulose solution by using supercooled liquid n-methymorpholine-n-oxide hydrate solvent
03/27/2002CN1341663A Method for preparing nanocrystal cellulose by means of acid hydrolysis
03/27/2002CN1081685C Cellulose solutions and products made therefrom
03/14/2002WO2002020885A1 Method and device for the continuous, single-step production of a homogeneous solution of cellulose in hydrous tertiary aminoxides
03/14/2002CA2427478A1 Method and device for the continuous, single-step production of a homogeneous solution of cellulose in hydrous tertiary aminoxides
03/06/2002CN1080327C Manufacture of cellulose product
02/2002
02/28/2002WO2002016478A1 Cellulosic films and uses thereof
02/13/2002CN1335856A Derivatized microfibrillar polysaccharide
02/13/2002CN1079121C Method for preparing spinnable isotropic cellulose solution
02/12/2002US6346167 Kraft cooking communited cellulose fibers at high rate by controlling effective dissolved lignin concentration of the cooking liquor; kraft pulp of increased strength, bleachability that uses less effective alkali
02/06/2002EP1177308A2 Process for producing nitrosoniom ions from a nitroxyl compound, their application in the selective oxidation of primary alcohols, and novel carbohydrate aldehydes
02/06/2002EP0873364B1 Method for producing cellulose derivatives
02/06/2002CN1334272A Nm-class microcrystal cellulose and its preparing process
02/06/2002CN1078890C Process for producing aqueous amine oxide solution
01/2002
01/29/2002US6342296 Aqueous coagulating agent for liquid-crystal solutions with base of cellulose materials
01/23/2002EP1173409A1 Process for producing nitrosonium ions
01/17/2002WO2002004084A2 Process for obtaining bio-functional fractions from biomass
01/09/2002CN1077581C Process for preparing cellulose suspension
01/03/2002DE10029044A1 Verfahren und Vorrichtung zur Herstellung von Fäden, Fasern, Folien oder Formkörpern aus Cellulose Method and apparatus for preparing filaments, fibers, films or molded articles from cellulose
12/2001
12/20/2001WO2001096636A1 Method and device for producing threads, fibres, films or moulded bodies out of cellulose
12/20/2001WO2001096402A1 Method for the manufacture of fibres, film and other products from modified soluble cellulose
12/19/2001EP1163196A1 Method for producing alcohol surfactants and alcohol ether surfactants, the products obtained and their use
12/12/2001CN1076023C Cellulose suspension production process
12/05/2001EP0888468B1 Process for preparing a spinnable, isotropic cellulose solution
11/2001
11/29/2001DE10023753A1 Verfahren und Vorrichtung zur Behandlung von Zellstoff mit Harnstoff und Ammoniak Method and apparatus for treatment of pulp with urea and ammonia
11/22/2001WO2001087985A1 Method and device for treating cellulose with urea and ammonia
11/22/2001DE10036549A1 Targeted depolymerization of polysaccharide, e.g. to give cellulose derivatives with a required degree of polymerization, involves mixing with peroxo compound and optionally reacting with derivatizing agent
11/08/2001WO2000050621A3 Process for producing nitrosoniom ions from a nitroxyl compound, their application in the selective oxidation of primary alcohols, and novel carbohydrate aldehydes
11/01/2001WO2001081428A1 Method for reducing the degree of order of cellulose
10/2001
10/31/2001DE10019628A1 Verfahren zur Verringerung des Ordnungsgrades von Cellulose A method for reducing the degree of order of cellulose
10/25/2001US20010034441 Feed composition of swollen and/or dissolved cellulose ether,high rotational speed gas jet impact mill, grinding, thermal flocculation point
10/24/2001EP0996640B1 Method for producing cellulose derivatives
10/18/2001DE10016307A1 Verfahren zur Herstellung und Verarbeitung einer Celluloselösung Process for the preparation and processing of a cellulose solution
10/17/2001EP1144455A1 Method for producing a cellulose suspension
10/11/2001WO2001074906A1 Method for producing and processing a cellulose solution
10/04/2001DE10013777A1 Verfahren und Vorrichtung zur kontinuierlichen Herstellung einer Suspension von Cellulose in einem wässrigen Aminoxid Method and apparatus for the continuous production of a suspension of cellulose in an aqueous amine oxide
10/03/2001CN1072297C Microfibrillated cellulose and method for preparing same from primary wall plant pulp, particularly sugar beet pulp
10/03/2001CN1072230C Process for regenerating aqueous process fluid from amine oxide process
10/02/2001CA2214245C Process for activating polysaccharides, polysaccharides made by this process and their use
09/2001
09/27/2001WO2001070819A1 Method and device for continually producing a suspension of cellulose in an aqueous amine oxide
09/12/2001CN1312819A Method for producing cellulose suspension
09/07/2001WO2001064775A1 Method for producing a cellulose solution in an aqueous amine oxide, said solution having an increased thermal stability
09/06/2001DE10009471A1 Production of stabilized cellulose solutions for use in the Lyocell process comprises dissolving cellulose in an aqueous amine oxide in the presence of a calculated amount of base
09/05/2001CN1311258A Method for prodn. of granular water soluble cellulose derivatives
08/2001
08/30/2001WO2001025512A3 Method and device for regulating the composition of solution(s)
08/30/2001DE10009409A1 Production of water-soluble cellulose derivatives as fine powder, for use as e.g. paint binders or thickeners, involves dissolution or swelling in water and drying with heat transfer-carrier gas in a high-speed rotary impact mill
08/29/2001EP1127895A1 Process for producing powdery water soluble cellulose derivatives
08/28/2001US6280568 For producing kraft pulp of increased strength and bleachability
08/28/2001CA2338120A1 A process for producing particulate, water-soluble cellulose derivatives
08/22/2001EP1126075A2 Dissolved solids control in pulp production
08/16/2001WO2001058960A1 Method for producing and processing a cellulose solution
08/16/2001DE10005163A1 Production of formed cellulose products, e.g. fibre, involves extruding a solution of cellulose in tert. amine oxide-pyrrolidonate, coagulating the solution and removing solvent
07/2001
07/05/2001DE19949727A1 Verfahren und Vorrichtung zur Regelung der Zusammensetzung von Lösung(en) Method and apparatus for controlling the composition of solution (s)
06/2001
06/28/2001WO2001004075A8 Process for the fabrication of activated cellulose and derivatives thereof
06/07/2001DE19949720A1 Verfahren und Vorrichtung zur kontinuierlichen Herstellung einer Extrusionslösung Method and apparatus for the continuous production of an extrusion solution
06/06/2001CN1066753C Cellulose sponge and its producing method
05/2001
05/31/2001US20010001977 Kraft cooking communited cellulose fibers at high rate by controlling effective dissolved lignin concentration of the cooking liquor; kraft pulp of increased strength, bleachability that uses less effective alkali
05/30/2001CN1066498C Process for making cellulose extrudates and article contg. same
05/23/2001EP1025177B1 Method for joining objects which have a surface consisting of a cellulosic material
05/17/2001WO2001034655A1 Cellulose dope and process for producing the same
05/17/2001CA2384767A1 Cellulose dope and process for producing the same
05/03/2001WO2001030855A1 Process for producing modified cellulose pulp
04/2001
04/19/2001DE19947910A1 Controlling composition of solutions containing cellulose and amine oxide for producing cellulosic fibers comprises measuring two different properties of solution and using any divergence from desired value to control process
04/18/2001EP0932710B1 Aqueous coagulating agent for liquid crystal solutions with base of cellulose substances
04/12/2001WO2001025516A1 Method and device for controlling the composition of a solution/solutions during the production of cellulose shaped bodies
04/12/2001WO2001025512A2 Method and device for regulating the composition of solution(s)
03/2001
03/28/2001EP1086139A1 Cellulosic solutions and their uses
03/28/2001CN1288898A Preparation of sodium carboxymethyl cellulose as paper spreading agent
03/14/2001CN1287195A Method for crushing paper pulp into powders and method for producing cellulose ether
03/07/2001EP1080114A1 Method for activating and derivatizing cellulose
02/2001
02/28/2001EP1078008A2 Derivatized microfibrillar polysaccharide
02/21/2001EP1076488A1 Process and apparatus for treating cellulosic materials
02/21/2001EP0646135B1 Food ingredient comprising a gel obtained from plant matter
02/20/2001US6190596 Process for producing cellulosic shaped objects
02/01/2001WO2001007485A1 Method for carrying out the targeted depolymerization of polysaccharides
01/2001
01/31/2001EP1071719A1 Method for metering a mixture of liquid ammonia and an additive into a solid and corresponding metering device
01/25/2001WO2001005838A1 Process for drying reticulated bacterial cellulose without co-agents
01/23/2001US6176176 Apparatus for treating cellulosic materials
01/18/2001WO2001004075A1 Process for the fabrication of activated cellulose and derivatives thereof
01/10/2001EP1066109A1 Device, method and pressurized reactor for the treatment of solids with liquefied gases under pressure
01/03/2001EP1065216A1 Method of reducing pulp to powder
12/2000
12/12/2000US6159337 Dissolved organic materials control in cellulose pulp production
12/07/2000WO2000047628A3 Derivatized microfibrillar polysaccharide
11/2000
11/28/2000US6153003 Using molten tertiary amine oxide solvent
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