Patents for C08B 15 - Preparation of other cellulose derivatives or modified cellulose (3,279)
03/2005
03/24/2005US20050065283 Cellulostic polymeric backbone having pendant polymeric chains such as polydimethylacrylamide grafted on cellulose monoacetate; adsorbs onto cotton or paper fiber or surface to impart beneficial properties such as hydrophilicity, hydrophobicity, tensile strength
03/23/2005EP1137670B1 Cross-linking process of carboxylated polysaccharides
03/22/2005US6869938 Gels for use as bioadhesives
03/22/2005CA2228450C Production of microbial cellulose using a rotating disk film bioreactor
03/22/2005CA2222661C Implementation of dissolved solids profiling
03/17/2005DE10337011A1 Additive enthaltend Cellulosederivate mit gel-artigen rheologischen Eigenschaften, deren Verwendung in Baustoffsystemen sowie ein Verfahren zur Zementextrusion unter Einsatz dieser Additive Additives containing cellulose derivatives having gel-like rheological properties, their use in building material systems and a method of cement extrusion using these additives
03/10/2005US20050054848 Method for manufacturing cellulose carbamate
03/09/2005EP1511773A1 Method for the production of cellulose carbamate by means of reactive extrusion
03/09/2005CN1192039C Oxidized cellulose-containing fibrous materials and products made therefrom
03/03/2005US20050045064 Having both acyl and carbamoyl groups from reaction with such as acetic acid and n-octadecylisocyanate; dimensional stability, solvent resistance; organic electroluminescence and liquid crystal display devices, silver halide photosensitive materials
03/02/2005EP1509548A1 Method for the production of cellulose carbamate moulded bodies
03/02/2005EP0832276B1 Method of strong acid hydrolysis
02/2005
02/24/2005US20050043365 Reaction productof 4-acetylthiobutyl-2,3,4,6-tetra-O-acetyl beta D-glucopyranoside with terakis(bromopropyldimethylsiloxy)silane
02/23/2005EP1508042A2 Biochips with surfaces coated with polysaccharide based hydrogels
02/23/2005EP0734469B1 Implementation of dissolved solids profiling
02/17/2005WO2005013926A2 Cosmetic composition comprising a cellulose or a liposoluble modified cellulose derivative
02/17/2005US20050038184 Reaction product of 4-acetylthiobutyl 2,3,4,6-tetra-O-acetyl- beta -D-glucopyranoside and tetrakis(bromopropyldimethylsiloxy)silane
02/17/2005US20050034636 irreversibly crosslinked cellulose derivatives having gel-like rheological properties, prepared by alkalizing cellulose with aqueous alkali metal hydroxide, reacting with an alkylene oxide, alkyl halide and crosslinker; construction materials
02/16/2005EP1506973A1 Additives comprising cellulose derivatives having gel-like rheological properties, their use in building materials and a process for the extrusion of cement using these additives
02/16/2005CN1579987A Additives containing cellulose derivatives, its use and cement extruding method
02/16/2005CN1189533C Cation polymer oil-displacing agent and its preparing method
02/12/2005CA2476845A1 Additives containing cellulose derivatives having gel-like rheological properties, use thereof in construction material systems and also a process for cement extrusion using theseadditives
02/10/2005US20050028953 In bleaching plant; catalytic oxidation of pulp slurry, washing, stabilization
02/10/2005US20050028292 Methods for making carboxylated cellulosic fibers
02/09/2005EP1505199A1 Methods for making carboxylated pulp fibers
02/09/2005EP1505197A1 Methods for making carboxylated cellulosic fibers
02/08/2005US6852255 Adjusting a moderate pH range of polysaccharide to activate; cross- linking with poly-functional epoxy compound and producing different shapes of the product
02/05/2005CA2475665A1 Methods for making carboxylated pulp fibers
02/05/2005CA2475482A1 Methods for making carboxylated cellulosic fibers
02/02/2005EP1501548A1 Chemically activated carboxypolysaccharides and uses
02/02/2005CN1187375C Method for continuous production of carbamate cellulose
02/01/2005CA2392811C Method of producing porous spherical particles
01/2005
01/27/2005US20050020771 Preparing a slurry of an aqueous solution of pre-superabsorbent polymer and cellulose, filtering and heat treating the slurry; agricultural products, fiber optic cables, power cables, water blocking tapes, insulation, hygiene articles
01/26/2005EP1499695A1 Novel fire retardant materials and method for producing same
01/20/2005US20050014669 Carboxylated cellulose formed via reacting hindered heterocyclic oxammonium salts and oxidizing with chlorine dioxide
01/19/2005CN1568347A Cellulose material with improved absorbency
01/19/2005CN1567616A Method for preparing negative plate additive of lead-acid accumulator
01/19/2005CN1185263C Process for preparing medical absorbable regenerated oxycellulose as styptic material
01/13/2005WO2005003270A1 Inverse or multiple water/oil or water/oil/water emulsion, comprising a hydrophobic phase and a hydrosoluble or hydrodispersable substituted polysaccharide
01/12/2005EP1495748A1 Use of modified cellulose derivatives as thickening agents of the organic phase of a nail varnish composition
01/12/2005EP1030864B1 Mn(IV)-MEDIATED CROSSLINKING AND FUNCTIONALIZATION OF CHROMATOGRAPHY MEDIA
01/11/2005US6841097 Method of producing porous spherical particles
01/06/2005US20050003968 Drilling fluids
01/06/2005US20050000388 Aqueous emulsification in presence of ammonium hydroxide; regulating electrolyte content using ion exchange resin or membrane
01/05/2005EP1493754A1 Polysaccharide containing phosphorylcholine group and process for producing the same
01/05/2005EP1492820A1 Free-radical functionalized polysaccharides
01/05/2005CN1560083A Preparation process of hydrophobic associated ethoxyl cellulose
12/2004
12/30/2004US20040267006 spherical cellulose material comprising a water-insoluble polysaccharide formed by beta -1,4-type sugar chain linkages, the degree of crystallinity is 70% or greater, and macrofibrils are formed radially from the center to the periphery; produced by Enterobacter; easily separated from the culture broth
12/30/2004US20040266728 Oxidizing cellulose by reacting in an aqueous system with hindered cyclic nitroxides as catalysts; papermaking
12/29/2004CN1558917A Preparation method of solvent-free water-dispersible hydroxypropyl methly cellulose phthalate nanoparticle
12/22/2004EP1313770B1 Method for physically modifying cellulose ethers
12/22/2004EP1222306B1 Cellulose films for screening
12/15/2004EP1486539A2 Self-assembling dyes
12/15/2004EP1278780B1 Esterified polysaccharide products, compositions containing beta-lactone ring opened ketene dimer products and process of making the same
12/15/2004CN1179978C Method and device treating cellulose with urea and ammonia
12/15/2004CN1179977C Productive process for ultrahigh viscosity hydroxyethyl cellulose
12/09/2004WO2004061067A3 Anti-filming materials, compositions and methods
12/02/2004US20040242862 Method for producing a cellulose ether of low viscosity by means of acid oxidative decomposition of ground and dried cellulose ethers
11/2004
11/30/2004US6824645 Oxidized cellulose-containing fibrous materials and products made therefrom
11/25/2004US20040236016 Acidic superabsorbent polysaccharides
11/24/2004CN1549844A Laundry treatment compositions
11/24/2004CN1549827A Polymers and their use
11/23/2004US6821531 Fibrous cellulose excipient comprising cellulose ii lattice with bulk density of 0.2-0.5 g/cm3 and tap density of 0.4-0.7 g/cm3; for use as binder, filler, disintegrant in solid dosage forms
11/23/2004US6821383 Preparation of modified fluff pulp, fluff pulp products and use thereof
11/23/2004CA2383464C Hypochlorite free method for preparation of stable carboxylated carbohydrate products
11/18/2004WO2004099766A1 Separatory agent for optical isomer
11/17/2004CN1547591A Superabsorbent polymer
11/10/2004CN1544474A Steam flash explosion method modification of wood cellulose and its dissolving technology in novel solvent
11/04/2004US20040217063 Hydrolyzing cellulose in mixture of concentrated acids including hydrochloric and sulfuric; precipitating with organic solvent; resuspended in water and purifying using ion exchange column; high yield, low cost
10/2004
10/28/2004WO2004092223A1 Cross-linked polysaccharide composition
10/27/2004EP1470854A1 Epoxide-crosslinked, charged cellulosic membrane
10/27/2004EP1470162A1 Method for manufacturing cellulose carbamate
10/27/2004CN1541227A Two-stage reaction for producing cellulose carbamate
10/21/2004US20040206694 Epoxide-crosslinked, charged cellulosic membrane
10/21/2004US20040206693 Crosslinked cellulosic membrane
10/20/2004EP1468723A1 Crosslinked cellulosic membrane
10/20/2004CN1171904C Nm-class microcrystal cellulose and its preparing process
10/13/2004EP1230374A4 Modification of polysaccharide containing materials
10/13/2004EP0850314B1 Production of microbial cellulose using a rotating disk film bioreactor
10/12/2004US6803410 Cellulose copolymers that modify fibers and surfaces
09/2004
09/29/2004EP1461362A1 Anti-wrinkle silicone polysaccharide compounds and compositions comprising said compounds
09/22/2004EP1341888B1 Laundry composition
09/15/2004EP1456244A1 Method for producing cellulose carbamate
09/09/2004US20040176534 substituted polysaccharides, their synthesis, and graft polysaccharide polymers made therefrom; benefit agents in laundry detergent and fabric treatment
09/09/2004DE10308109A1 Wasserdispergierbare Polysaccharidderivate mit vermindertem Glyoxalgehalt und ein Verfahren zur Absenkung des Glyoxalgehalts in glyoxalvernetzten Polysaccharidderivaten Water-dispersible polysaccharide derivatives with reduced glyoxal and a method for lowering the Glyoxalgehalts in glyoxal polysaccharide derivatives
09/09/2004DE10297399T5 Neue Cellulosematerialien New cellulosic materials
09/08/2004EP1453888A1 Saccharide residue-functional organopolycarbosiloxanes and method for the preparation thereof
09/02/2004US20040171580 Regioselectively reticulated polysaccharides
09/01/2004EP1452544A1 Water dispersible cellulose ethers having a reduced amount of glyoxal and the process for making them
09/01/2004CN1524882A Polysaccharide derivatives of reduced glyoxal content, and a process for decreasing the glyoxal content in polysaccharide derivatives
09/01/2004CN1164617C Surface modified nanometer cellulose crystal and its preparing process
08/2004
08/26/2004US20040167326 using aluminium salts and borates, and if appropriate with suitable buffer substances to set the pH, and then are dried
08/26/2004US20040167098 Cross-linked polysaccharides
08/26/2004DE10305144A1 Verfahren zur Herstellung von modifizierten Polysacchariden mit verbesserten hydrophoben Eigenschaften A process for the preparation of modified polysaccharides having improved hydrophobic properties
08/26/2004CA2458334A1 Water-dispersible polysaccharide derivatives of reduced glyoxal content, and a process for decreasing the glyoxal content in glyoxal-crosslinked polysaccharide derivatives
08/25/2004EP1449852A1 Process for making modfied polysaccharides having improved hydrophobic properties
08/25/2004EP1448840A1 Method for the modification of polymeric carbohydrate materials
08/25/2004EP1448606A1 Process for oxidising dialdehyde polysaccharides
08/25/2004EP1448604A1 Preparation method of solvent-free water-dispersible hydroxypropyl methyl cellulose phthalate nanoparticle
08/24/2004US6780504 Covering, active material and adhesive; spraying
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