Patents for C08B 16 - Regeneration of cellulose (397)
08/2009
08/27/2009CA2715979A1 Method for producing solid materials on the basis of synthetic polymers and/or biopolymers and use thereof
07/2009
07/08/2009EP1547170A4 Method for manufacture of films containing insoluble solids embedded in cellulose-based films
07/08/2009CN100509852C Production of microcrystalline cellulose
06/2009
06/11/2009US20090145831 Pore Diffusion Type Flat Membrane Separating Apparatus, Flat Membrane Concentrating Apparatus, Regenerated Cellulose Porous Membrane for Pore Diffusion, and Method of Non-Destructive Inspection of Flat Membrane
06/10/2009EP1648692A4 Cellulose matrix encapsulation and method
05/2009
05/27/2009EP2062922A1 Method for manufacturing regenerated biopolymers and regenerated products created therewith
05/22/2009WO2009062723A1 Method for producing regenerated biopolymers and regenerated products obtained by said method
05/22/2009CA2704543A1 Method for producing regenerated biopolymers and regenerated products obtained by said method
05/19/2009CA2462460C Dissolution and processing of cellulose using ionic liquids
05/06/2009EP1328679B1 Cellulose production from lignocellulosic biomass
04/2009
04/02/2009US20090088564 Dissolution of Cellulose in Mixed Solvent Systems
03/2009
03/26/2009WO2009036480A1 Cellulose powder and method for the production thereof
03/26/2009WO2009036479A1 Cellulose suspension and method for the production thereof
02/2009
02/10/2009US7488558 Homogeneous separator
11/2008
11/06/2008US20080275231 Method for Preparing Regenerated Cellulose Fiber by Two-Step Coagulating Bath Process
10/2008
10/30/2008US20080269477 Solvent System Based on Molten Ionic Liquids, Its Production and Use for Producing Regenerated Carbohydrates
09/2008
09/25/2008WO2008114584A1 Treating agent for polysaccharide
08/2008
08/28/2008WO2008102747A1 Polymer-treating agent and dope
06/2008
06/26/2008WO2008076215A1 Process for treating a lignocellulosic material
06/26/2008CA2672265A1 Process of treating a lignocellulosic material
03/2008
03/19/2008EP1761589B1 Cellulose model surface
03/13/2008WO2008028998A1 Cellulose particles modified by cationic polyelectrolytes, process for the production, thereof, and use in the production of the paper and board
02/2008
02/05/2008US7326376 Method and device for controlling the composition of the cellulose containing extrusion solution in the lyocell process
01/2008
01/30/2008CN100365050C Dissolution and processing of cellulose using ionic liquids
01/22/2008CA2427991C Cellulose particles for pharmaceuticals
01/15/2008CA2225943C Regenerated cellulose incorporating phosphorous compounds so as to be flame-retardant
11/2007
11/07/2007CN100347879C Method for manufacture of films containing insoluble solids embedded in cellulose-based films
10/2007
10/31/2007EP1663444B1 Method for producing a filter material
08/2007
08/22/2007EP1664399A4 Superabsorbent cellulosic fiber and method of making same
08/01/2007CN101007853A Dissolution and processing of cellulose using ionic liquids
07/2007
07/05/2007DE102005062608A1 Solution system based on molten ionic liquid e.g. imidazolium salt for dissolving carbohydrate e.g. starch, cellulose or derivative and regeneration e.g. for fiber production also contains water and/or other protic solvent
06/2007
06/06/2007EP0975675B1 Method of producing a viscose solution
05/2007
05/03/2007WO2007049485A1 Process for producing cellulose solution, cellulose solution, and process for producing regenerated cellulose
03/2007
03/21/2007EP1551879A4 Production of microcrystalline cellulose
03/14/2007EP1761589A1 Cellulose model surface
02/2007
02/08/2007DE102004007617B4 Verfahren zur Herstellung eines Vliesstoffes, Vliesstoff und dessen Verwendung A process for producing a nonwoven fabric, nonwoven fabric and the use thereof
12/2006
12/21/2006US20060286296 Method for producing a filter material
08/2006
08/22/2006US7094448 Spray pack
06/2006
06/21/2006CN1791708A Superabsorbent cellulosic fiber and method of making same
06/07/2006EP1664399A2 Superabsorbent cellulosic fiber and method of making same
06/07/2006EP1663444A1 Method for producing a filter material
05/2006
05/31/2006EP1338288B1 Cellulosic particles for pharmaceutical preparations
04/2006
04/26/2006EP1648692A2 Cellulose matrix encapsulation and method
04/05/2006EP1643031A1 Processes for making compositions for conversion to lyocell fibers
04/05/2006EP1643030A1 Processes for making compositions for conversion to lyocell fibers
02/2006
02/28/2006US7005514 Process for preparing microcrystalline cellulose
01/2006
01/26/2006US20060020126 Production of microcrystalline cellulose
12/2005
12/22/2005WO2005121226A1 Cellulose model surface
10/2005
10/12/2005CN1682390A Method for manufacture of films containing insoluble solids embedded in cellulose-based films
10/12/2005CN1222318C Cellulosic particle for pharmaceutical preparation
09/2005
09/21/2005CN1671743A Production of microcrystalline cellulose
08/2005
08/16/2005US6929884 For controlled release, by dissolving cellulose in a polar solvent such as dimethylacetamide comprising an alkali metal salt, for example lithium chloride, dispersing the solid in the solution and gelling the solution with water to form a film
07/2005
07/13/2005EP1551879A1 Production of microcrystalline cellulose
06/2005
06/29/2005EP1547170A1 Method for manufacture of films containing insoluble solids embedded in cellulose-based films
06/07/2005US6902690 Method and device for producing cellulosed shaped bodies
05/2005
05/19/2005US20050104247 Method for manufacture of films containing insoluble solids embedded in cellulose-based films
05/06/2005WO2005039737A1 Method for producing a filter material
05/06/2005WO2004103412A3 Superabsorbent cellulosic fiber and method of making same
04/2005
04/27/2005CN1198975C Method and device for controlling the composition of the cellulose containing extrusion solution in the lyocell process
04/21/2005US20050085150 Superabsorbent cellulosic fiber and method of making same
04/13/2005EP0966486B1 Method for producing regular porous cellulose pearls
03/2005
03/16/2005CN1596282A Dissolution and processing of cellulose using ionic liquids
02/2005
02/16/2005CN1189485C Micron grade alpha cellulose and its preparation method
01/2005
01/18/2005US6844066 Superabsorbent cellulosic fiber and method of making same
12/2004
12/02/2004WO2004103412A2 Superabsorbent cellulosic fiber and method of making same
12/02/2004CA2765226A1 Superabsorbent cellulosic fiber and method of making same
11/2004
11/30/2004US6824599 Dissolution and processing of cellulose using ionic liquids
11/25/2004US20040234760 Grafted and crosslinked with ethylenically unsaturated monomer; does not form soft, gelatinous masses when swollen with liquid
11/09/2004US6814904 Method for producing cellulosic forms
10/2004
10/21/2004DE10346256B3 Production of filter material, especially deep filter layer, with predetermined number of natural fibers, e.g. cellulose, includes adding specific enzyme to suspension to convert each toxic polysaccharide to nontoxic or less toxic product
10/20/2004EP1458805A4 Dissolution and processing of cellulose using ionic liquids
10/20/2004CN1172033C Method and device for producing cellulosed shaped bodies
09/2004
09/29/2004EP1461378A1 Regenerated carbohydrate foam composition
09/29/2004EP1299459B1 Method and device for the production of cellulose particles
09/22/2004EP1458805A2 Dissolution and processing of cellulose using ionic liquids
08/2004
08/17/2004CA2102807C Cellulose chromatographic supports and method
07/2004
07/15/2004US20040138445 Using combination of high frequency rotation, pressurization and digestion to extract lignins, hemicellulose and cellulose from biomass; enantiomers and drug design
06/2004
06/08/2004US6746641 Extruding solution of cellulose in aqueous amine oxide, particularly n-methylmorpholine n-oxide, through die via air gap and coagulating article in aqueous precipitation bath, washing, treating with ultra-violet radiation
04/2004
04/13/2004US6720057 Method for producing a cellulose fibre from hydrocellulose
04/01/2004WO2004027897A1 Method for manufacture of films containing insoluble solids embedded in cellulose-based films
03/2004
03/17/2004CN1142205C Method for producing regular porous cellulose pearls, bead cellulose and use thereof
03/04/2004US20040043964 Cellulosic particle for pharmaceuticals preparation
03/03/2004EP1218574B1 Method and device for producing cellulosed shaped bodies
02/2004
02/11/2004EP1125012B1 Method for producing cellulosic forms
02/11/2004EP1125011B1 Method for producing cellulosic forms
02/05/2004WO2004011501A1 Production of microcrystalline cellulose
02/04/2004CN1473054A Cellulosic particle for pharmaceutical preparation
01/2004
01/28/2004CN1136341C Method for producing cellulosic forms
01/28/2004CN1136340C Method for producing cellulosic forms
01/21/2004EP1226293B1 Method and device for controlling the composition of the cellulose containing extrusion solution in the lyocell process
12/2003
12/30/2003US6670469 Method for producing regular porous cellulose pearls, corresponding cellulose pearls and use thereof
09/2003
09/18/2003US20030176669 Process for obtaining bio-functional fractions from biomass
08/2003
08/27/2003EP1338288A1 Cellulosic particle for pharmaceutical preparation
08/21/2003US20030157351 Admixing cellulose with a molten ionic liquid in the substantial absence of water or a nitrogen-containing base to form an admixture, and agitating admixture until dissolution is complete
07/2003
07/31/2003WO2003029329A3 Dissolution and processing of cellulose using ionic liquids
07/31/2003US20030143388 Regenerated carbohydrate foam composition
07/17/2003WO2003057768A1 Regenerated carbohydrate foam composition
07/17/2003CA2470517A1 Regenerated carbohydrate foam composition
07/08/2003CA2299343C Process to manufacture a cellulose fibre from hydrate cellulose
05/2003
05/05/2003WO2002036168A1 Cellulosic particle for pharmaceutical preparation
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