Patents for C08B 15 - Preparation of other cellulose derivatives or modified cellulose (3,279) |
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05/13/2003 | US6562195 Forming cellulose aldehyde by controlled oxidation of cellulose with aldehyde; wet strength |
05/07/2003 | EP1308555A2 Dissolved solids control in pulp production |
05/07/2003 | EP1308554A2 Dissolved solids control in pulp production |
05/02/2003 | EP1305355A1 Hydrogel films and methods of making and using therefor |
05/01/2003 | WO2003035793A1 Drilling fluids |
05/01/2003 | WO2003035699A1 Method of preparing polyglucuronic or copolyglucuronic acid |
05/01/2003 | US20030083491 Hypochlorite free method for preparation of stable carboxylated carbohydrate products |
05/01/2003 | US20030083204 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 |
04/29/2003 | US6555678 Method for preparing a regenerated cellulose fibre or yarn |
04/24/2003 | WO2003033813A1 Method for the modification of polymeric carbohydrate materials |
04/24/2003 | US20030078209 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 |
04/24/2003 | US20030077231 Polyanhydroglucuronic acid-containing material obtained by oxidation with nitrogen oxides is hydrolyzed, neutralized and undergoes fractional coagulation |
04/23/2003 | EP1304337A1 Method for forming cellulose |
04/23/2003 | CN1106403C Cellulose ether and method for fixed biological molecule on coated sheet carrier material |
04/23/2003 | CN1106402C Cellulose particles, method for producing them and their use |
04/17/2003 | DE10127189C1 Production of cellulose molding, preferably fiber, filament, tube, foil or film, involves preparing cellulose carbamate solution and precipitation in precipitation bath in electric field |
04/16/2003 | EP1023327B1 Process for the preparation of polysaccharide derivatives having a delayed water solubility |
04/16/2003 | EP1017726B1 Laundry detergent compositions with cellulosic based polymers to provide appearance and integrity benefits to fabrics laundered therewith |
04/16/2003 | EP0698139B1 Dissolved solids control in pulp production |
04/16/2003 | CN1410451A Method of producing carboxy methyl cellulose and xylose using straw |
04/15/2003 | US6548659 Process for ammoniating cellulosic materials |
04/09/2003 | EP1300420A1 Cellulose powder |
04/09/2003 | EP1025291B1 Method for preparing a regenerated cellulose fibre or yarn |
04/09/2003 | EP0928311B1 Shaping object with reactive functions |
04/03/2003 | US20030065165 Process of preparing alkylhydroxyalkylcellulose |
04/03/2003 | US20030064044 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 |
04/02/2003 | CN1104524C Dissovlved solids control in pulp production |
04/01/2003 | US6540876 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 |
03/27/2003 | WO2003025054A1 Cellulose material with improved absorbency |
03/20/2003 | US20030055133 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 |
03/20/2003 | US20030052426 Forming spherical droplets by mechanical means dividing a polysaccharide solution, conveying through a humid atmosphere and transferred to a capturing water medium |
03/20/2003 | US20030051834 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. |
03/20/2003 | US20030051295 Modified textiles and other materials and methods for their proparation |
03/13/2003 | WO2003020819A1 Laundry treatment compositions |
03/13/2003 | WO2003020770A1 Polymers and their use |
03/11/2003 | US6531593 Method for production of cellulose derivatives and the resulting products |
03/06/2003 | WO2003018637A1 Method for producing a cellulose ether of low viscosity by means of acid oxidative decomposition of ground and dried cellulose ethers |
03/06/2003 | WO2003018072A2 Superabsorbent polymer |
03/06/2003 | US20030045707 Superabsorbent biopolymer for use in cosmetics, toiletries and infant diapers |
03/06/2003 | CA2457792A1 Superabsorbent polymer |
03/04/2003 | US6528643 Lipase-catalyzed alcoholysis; cheap starting material; efficiency |
02/27/2003 | US20030040487 Polymer complexes of glucuronoglucanes |
02/26/2003 | CN1398900A Prepn of alkyl hydroxy alkyl cellulose |
02/26/2003 | CN1102068C Process for preparing calcium carboxymethyl cellulose |
02/25/2003 | US6524653 Adding a hydroxyalkyl cellulose to water, adding ammonium hydroxide, and then adding diammonium phosphate to crosslink the cellulose |
02/25/2003 | US6524348 Method of making carboxylated cellulose fibers and products of the method |
02/18/2003 | US6521223 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 |
02/13/2003 | US20030029588 Process for the selective modification of carbohydrates by peroxidase catalyzed oxidation |
02/12/2003 | EP1282647A2 Polysaccharide absorbent and method |
02/12/2003 | CN1396319A Producing method of cellulose forming product using electric field |
02/12/2003 | CN1396184A Method for continuous producing carbamate cellulose |
02/11/2003 | US6518419 Process for selective oxidation of primary alcohols |
02/06/2003 | WO2003010206A1 Polymers and their synthesis |
02/06/2003 | US20030027787 Crosslinked polysaccharide, obtained by crosslinking with substituted polyethylene glycol, as superabsorbant |
02/06/2003 | US20030026828 Coupling of modified cyclodextrins to fibers |
02/06/2003 | US20030024661 Preparation of modified fluff pulp, fluff pulp products and use thereof |
02/05/2003 | CN1395638A Superabsorbent cellulosic fiber |
02/04/2003 | US6514522 Polymer constructs |
02/04/2003 | US6514407 Chloro-, hydroxy- and alkoxysilane derivatives of polysaccharides or oligosaccharides, polymerizable and cross-linkable, their synthesis and their use as sources of novel support materials |
01/29/2003 | EP1279680A2 Process for preparing alkyl hydroxyalkyl cellulose |
01/29/2003 | EP1278913A1 Aldehyde-containing polymers as wet strength additives |
01/29/2003 | EP1278780A2 ESTERIFIED POLYSACCHARIDE PRODUCTS AND $g(G)-LACTONE RING OPENED KETENE DIMER PRODUCTS CONTAINING THE COMPOSITIONS, AND PROCESS OF MAKING THE SAME |
01/28/2003 | US6512146 Process for preparing a dialkyl acetal of a C8 to C30 aldehyde |
01/23/2003 | WO2002038614A9 Crosslinked polysaccharide, obtained by crosslinking with substituted polyethylene glycol, as superabsorbent |
01/23/2003 | US20030018187 Method for forming cellulose |
01/20/2003 | CA2393920A1 Process for preparing alkylhydroxyalkylcellulose |
01/16/2003 | WO2003004534A1 Cellulosic particles suitable for chiral separation |
01/15/2003 | EP0841345B1 Bacterial cellulose concentrate and method for treating said concentrate |
01/09/2003 | US20030008779 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% |
01/09/2003 | US20030008078 Oil-and water-repellent finishes for textiles |
01/03/2003 | WO2003000739A1 Regioselectively reticulated polysaccharides |
01/03/2003 | WO2001034902A3 Process and composition for preparing a lignocellulose-based product, and the product obtained by the process |
01/03/2003 | CA2451383A1 Regioselectively reticulated polysaccharides |
12/31/2002 | US6500947 Superabsorbent polymer |
12/31/2002 | US6500777 Bioresorbable oxidized cellulose composite material for prevention of postsurgical adhesions |
12/27/2002 | WO2002088189A3 Polysaccharide derivatives that can be photo-activated for immobilising bio-molecules |
12/25/2002 | CN1386763A Surface modified nano cellulose crystal and its preparing process |
12/19/2002 | US20020189024 Modified textiles and other materials and methods for their preparation |
12/19/2002 | DE10162791C1 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 |
12/18/2002 | CN1385444A Method for synthesizing high water absorption resin from waste collodion cotton |
12/18/2002 | CN1096280C Excipient having high compactability and process for preparing same |
12/12/2002 | US20020188040 Water-soluble polymer complexes |
12/11/2002 | EP1264846A1 Method for preparation of stabilized carboxylated cellulose |
12/11/2002 | EP1264845A2 Hypochlorite free method for preparation of stable carboxylated carbohydrate products |
12/11/2002 | EP1264040A2 Superabsorbent cellulosic fiber |
12/11/2002 | EP1263817A1 Copolymers and oil- and water-repellent compositions containing them |
12/11/2002 | EP1263793A1 Single phase gels for the prevention of adhesions |
12/06/2002 | CA2383803A1 Method for preparation of stabilized carboxylated cellulose |
12/05/2002 | WO2002096953A1 Superabsorber, method for the production and use thereof |
11/28/2002 | DE10125599A1 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 |
11/27/2002 | EP1260522A1 O-alkylated cellulose and process for the preparation thereof |
11/26/2002 | US6485530 Modified textile and other materials and methods for their preparation |
11/21/2002 | WO2002053599A3 Biodegradable oxidized cellulose esters |
11/20/2002 | EP1258095A1 Channel quality measurement in data transmission using hybrid arq |
11/07/2002 | WO2002088189A2 Polysaccharide derivatives that can be photo-activated for immobilising bio-molecules |
11/07/2002 | WO2002087643A1 Water soluble cellulose etherified derivates styptic materials |
11/07/2002 | DE10121201A1 Photoaktivierbare Polysaccharidderivate für die Immobilisierung von Biomolekülen Photoactivatable polysaccharide derivatives for the immobilization of biomolecules |
11/06/2002 | EP0917492B1 Immobilizate and method for the immobilization of useful material |
11/06/2002 | CN1377895A Process for preparing hydroxy ethyl cellulose |
10/30/2002 | CN1377423A Cellulose films for screening |