Patents for C08B 15 - Preparation of other cellulose derivatives or modified cellulose (3,279)
05/2003
05/13/2003US6562195 Forming cellulose aldehyde by controlled oxidation of cellulose with aldehyde; wet strength
05/07/2003EP1308555A2 Dissolved solids control in pulp production
05/07/2003EP1308554A2 Dissolved solids control in pulp production
05/02/2003EP1305355A1 Hydrogel films and methods of making and using therefor
05/01/2003WO2003035793A1 Drilling fluids
05/01/2003WO2003035699A1 Method of preparing polyglucuronic or copolyglucuronic acid
05/01/2003US20030083491 Hypochlorite free method for preparation of stable carboxylated carbohydrate products
05/01/2003US20030083204 Using a well treating fluid comprised of water and a water soluble polymer complex fluid loss control additive, such as a copolymer of acrylamido-2-methylpropane sulfonic acid formed in the presence of an ethoxylated hydroxyethyl cellulose
04/2003
04/29/2003US6555678 Method for preparing a regenerated cellulose fibre or yarn
04/24/2003WO2003033813A1 Method for the modification of polymeric carbohydrate materials
04/24/2003US20030078209 Porous composition, substantially insoluble in water, comprising 25% by weight oxidised cellulose and exhibiting a significant capacity to remove iron from aqueous environment; treatment of infections by iron-requiring microorganisms
04/24/2003US20030077231 Polyanhydroglucuronic acid-containing material obtained by oxidation with nitrogen oxides is hydrolyzed, neutralized and undergoes fractional coagulation
04/23/2003EP1304337A1 Method for forming cellulose
04/23/2003CN1106403C Cellulose ether and method for fixed biological molecule on coated sheet carrier material
04/23/2003CN1106402C Cellulose particles, method for producing them and their use
04/17/2003DE10127189C1 Production of cellulose molding, preferably fiber, filament, tube, foil or film, involves preparing cellulose carbamate solution and precipitation in precipitation bath in electric field
04/16/2003EP1023327B1 Process for the preparation of polysaccharide derivatives having a delayed water solubility
04/16/2003EP1017726B1 Laundry detergent compositions with cellulosic based polymers to provide appearance and integrity benefits to fabrics laundered therewith
04/16/2003EP0698139B1 Dissolved solids control in pulp production
04/16/2003CN1410451A Method of producing carboxy methyl cellulose and xylose using straw
04/15/2003US6548659 Process for ammoniating cellulosic materials
04/09/2003EP1300420A1 Cellulose powder
04/09/2003EP1025291B1 Method for preparing a regenerated cellulose fibre or yarn
04/09/2003EP0928311B1 Shaping object with reactive functions
04/03/2003US20030065165 Process of preparing alkylhydroxyalkylcellulose
04/03/2003US20030064044 For use in hair or skin care product, such as a shampoo, conditioner, shower gel, bar soap, styling product, or rinse, or a skin care product, such as a cleanser, lotion, or cream
04/02/2003CN1104524C Dissovlved solids control in pulp production
04/01/2003US6540876 Oxidizing the alcohol groups on cellulose, cellulose pulp or cellulose fiber for paper making; increasing the inherent wet strength, and dry strength of paper; using polyacrylamide homo- and/or co-polymers as co-promoter
03/2003
03/27/2003WO2003025054A1 Cellulose material with improved absorbency
03/20/2003US20030055133 Preparing slurry from aqueous solution of pre-superabsorbent polymer, which is formed from monomer and cellulose material,filtering and heat treating the slurry to obtain a treated cellulose material having an enhanced absorbency
03/20/2003US20030052426 Forming spherical droplets by mechanical means dividing a polysaccharide solution, conveying through a humid atmosphere and transferred to a capturing water medium
03/20/2003US20030051834 Use of a catalytic amount of a hindered cyclic oxammonium salt as a primary oxidant and a peracid and halide salt as a secondary oxidant in an aqueous environment.
03/20/2003US20030051295 Modified textiles and other materials and methods for their proparation
03/13/2003WO2003020819A1 Laundry treatment compositions
03/13/2003WO2003020770A1 Polymers and their use
03/11/2003US6531593 Method for production of cellulose derivatives and the resulting products
03/06/2003WO2003018637A1 Method for producing a cellulose ether of low viscosity by means of acid oxidative decomposition of ground and dried cellulose ethers
03/06/2003WO2003018072A2 Superabsorbent polymer
03/06/2003US20030045707 Superabsorbent biopolymer for use in cosmetics, toiletries and infant diapers
03/06/2003CA2457792A1 Superabsorbent polymer
03/04/2003US6528643 Lipase-catalyzed alcoholysis; cheap starting material; efficiency
02/2003
02/27/2003US20030040487 Polymer complexes of glucuronoglucanes
02/26/2003CN1398900A Prepn of alkyl hydroxy alkyl cellulose
02/26/2003CN1102068C Process for preparing calcium carboxymethyl cellulose
02/25/2003US6524653 Adding a hydroxyalkyl cellulose to water, adding ammonium hydroxide, and then adding diammonium phosphate to crosslink the cellulose
02/25/2003US6524348 Method of making carboxylated cellulose fibers and products of the method
02/18/2003US6521223 Reacting anionic polymers with divinyl sulfone, neutralizing, then precipitating solids, then hydrating to form water insoluble biocompatible mucopolysaccharides having storage stability used as antiscarring wound healing agents
02/13/2003US20030029588 Process for the selective modification of carbohydrates by peroxidase catalyzed oxidation
02/12/2003EP1282647A2 Polysaccharide absorbent and method
02/12/2003CN1396319A Producing method of cellulose forming product using electric field
02/12/2003CN1396184A Method for continuous producing carbamate cellulose
02/11/2003US6518419 Process for selective oxidation of primary alcohols
02/06/2003WO2003010206A1 Polymers and their synthesis
02/06/2003US20030027787 Crosslinked polysaccharide, obtained by crosslinking with substituted polyethylene glycol, as superabsorbant
02/06/2003US20030026828 Coupling of modified cyclodextrins to fibers
02/06/2003US20030024661 Preparation of modified fluff pulp, fluff pulp products and use thereof
02/05/2003CN1395638A Superabsorbent cellulosic fiber
02/04/2003US6514522 Polymer constructs
02/04/2003US6514407 Chloro-, hydroxy- and alkoxysilane derivatives of polysaccharides or oligosaccharides, polymerizable and cross-linkable, their synthesis and their use as sources of novel support materials
01/2003
01/29/2003EP1279680A2 Process for preparing alkyl hydroxyalkyl cellulose
01/29/2003EP1278913A1 Aldehyde-containing polymers as wet strength additives
01/29/2003EP1278780A2 ESTERIFIED POLYSACCHARIDE PRODUCTS AND $g(G)-LACTONE RING OPENED KETENE DIMER PRODUCTS CONTAINING THE COMPOSITIONS, AND PROCESS OF MAKING THE SAME
01/28/2003US6512146 Process for preparing a dialkyl acetal of a C8 to C30 aldehyde
01/23/2003WO2002038614A9 Crosslinked polysaccharide, obtained by crosslinking with substituted polyethylene glycol, as superabsorbent
01/23/2003US20030018187 Method for forming cellulose
01/20/2003CA2393920A1 Process for preparing alkylhydroxyalkylcellulose
01/16/2003WO2003004534A1 Cellulosic particles suitable for chiral separation
01/15/2003EP0841345B1 Bacterial cellulose concentrate and method for treating said concentrate
01/09/2003US20030008779 Absence of visible separation of hydroxyethylcellulose and a sulfonic acid functional polymer after standing in ambient solution for 3 months, solubility reading of < 20 nephelometric turbidity units and concentration of 2.5%
01/09/2003US20030008078 Oil-and water-repellent finishes for textiles
01/03/2003WO2003000739A1 Regioselectively reticulated polysaccharides
01/03/2003WO2001034902A3 Process and composition for preparing a lignocellulose-based product, and the product obtained by the process
01/03/2003CA2451383A1 Regioselectively reticulated polysaccharides
12/2002
12/31/2002US6500947 Superabsorbent polymer
12/31/2002US6500777 Bioresorbable oxidized cellulose composite material for prevention of postsurgical adhesions
12/27/2002WO2002088189A3 Polysaccharide derivatives that can be photo-activated for immobilising bio-molecules
12/25/2002CN1386763A Surface modified nano cellulose crystal and its preparing process
12/19/2002US20020189024 Modified textiles and other materials and methods for their preparation
12/19/2002DE10162791C1 Preparation of cellulose carbamate by reaction of cellulose with urea in the presence of molten or dissolved urea with the aid of electromagnetic radiation useful for the production of fibers, films, beads, and sponges
12/18/2002CN1385444A Method for synthesizing high water absorption resin from waste collodion cotton
12/18/2002CN1096280C Excipient having high compactability and process for preparing same
12/12/2002US20020188040 Water-soluble polymer complexes
12/11/2002EP1264846A1 Method for preparation of stabilized carboxylated cellulose
12/11/2002EP1264845A2 Hypochlorite free method for preparation of stable carboxylated carbohydrate products
12/11/2002EP1264040A2 Superabsorbent cellulosic fiber
12/11/2002EP1263817A1 Copolymers and oil- and water-repellent compositions containing them
12/11/2002EP1263793A1 Single phase gels for the prevention of adhesions
12/06/2002CA2383803A1 Method for preparation of stabilized carboxylated cellulose
12/05/2002WO2002096953A1 Superabsorber, method for the production and use thereof
11/2002
11/28/2002DE10125599A1 Super-absorbent polymer powder for use in e.g. diapers, packaging and soil improvers, obtained by pre-swelling polycarboxy-polysaccharide in water and then drying and surface-crosslinking resulting hydrogel
11/27/2002EP1260522A1 O-alkylated cellulose and process for the preparation thereof
11/26/2002US6485530 Modified textile and other materials and methods for their preparation
11/21/2002WO2002053599A3 Biodegradable oxidized cellulose esters
11/20/2002EP1258095A1 Channel quality measurement in data transmission using hybrid arq
11/07/2002WO2002088189A2 Polysaccharide derivatives that can be photo-activated for immobilising bio-molecules
11/07/2002WO2002087643A1 Water soluble cellulose etherified derivates styptic materials
11/07/2002DE10121201A1 Photoaktivierbare Polysaccharidderivate für die Immobilisierung von Biomolekülen Photoactivatable polysaccharide derivatives for the immobilization of biomolecules
11/06/2002EP0917492B1 Immobilizate and method for the immobilization of useful material
11/06/2002CN1377895A Process for preparing hydroxy ethyl cellulose
10/2002
10/30/2002CN1377423A Cellulose films for screening
1 ... 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 ... 33