| Patents for C08B 31 - Preparation of chemical derivatives of starch (4,906) |
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| 07/16/1998 | DE19700903A1 Activated lignin intermediates used for the preparation of starch derivatives |
| 07/14/1998 | US5780568 Starch derivatives grafted with aliphatic polyester, procedure for their production and their use |
| 07/09/1998 | WO1998029456A1 Hydroxyalkylated starch ester and preparation and use thereof |
| 07/09/1998 | WO1998029455A1 Process for the preparation of a starch ester |
| 07/09/1998 | WO1998029454A1 Biodegradable absorbing agent |
| 07/08/1998 | EP0852235A2 High temperature stable modified starch polymers and well drilling fluids employing same |
| 07/02/1998 | DE19654745A1 Biologisch abbaubares Absorptionsmittel Biodegradable absorbent |
| 07/01/1998 | EP0850049A1 Composition for ph dependent controlled release of active ingredients and methods for producing it |
| 06/25/1998 | WO1998027118A1 A method for the oxidation of starch with periodate |
| 06/25/1998 | WO1998027117A1 Superabsorbent material and method for producing said material |
| 06/16/1998 | US5767196 Slow use of crosslinked polysaccharide gels |
| 06/16/1998 | CA2133105C Biodegradable, water resistant polymer material |
| 06/04/1998 | WO1998023647A1 Polysaccharide derivatives and hydraulic compositions |
| 05/13/1998 | EP0840777A1 Detergent builder/activators |
| 05/13/1998 | EP0840752A1 Photochemically cross-linked polysaccharide derivatives having no photopolymerisable functional groups |
| 05/05/1998 | US5747658 Method for the oxidation of carbohydrates |
| 04/30/1998 | WO1998017692A1 Preparation of chemically reactive polysaccharides |
| 04/30/1998 | WO1998017260A1 Chemo-mechanical expansion delivery system |
| 04/29/1998 | EP0837903A1 Meltprocessible starch composition, a process for the preparation thereof and the use of the composition |
| 04/29/1998 | EP0837902A1 Thermoplasticized starch component and process for the preparation thereof |
| 04/16/1998 | WO1998015566A1 Glycan derivatives |
| 04/16/1998 | WO1998015347A1 Use of modified starch as an agent for forming a thermoreversible gel |
| 04/15/1998 | EP0550532B1 Dextrin sulfates as anti hiv-1 agents and composition thereof |
| 04/14/1998 | US5739304 Process for the preparation of water-soluble aminoalkyl derivatives of polysaccharides |
| 04/01/1998 | EP0831792A2 Apparatus and method for delivering a biologically active compound into a biological environment |
| 03/31/1998 | US5734031 Cation exchange resin |
| 03/31/1998 | US5733994 Biodegradable, water-resistant polymer material |
| 03/25/1998 | EP0830378A1 Starch degradation using metal-based coordination complexes |
| 03/24/1998 | US5731430 Sizing and surface treatment of paper |
| 03/19/1998 | WO1998010861A1 Modified porous starch |
| 03/18/1998 | EP0828869A1 Sulphonation of regenerated cellulose with sulphonated polymers and use of the thus modified fibres |
| 03/18/1998 | EP0828868A1 Amination of regenerated cellulose with highly substituted starches and use of the thus modified fibres |
| 03/18/1998 | EP0828796A1 Polysaccharide-dyestuff formulation |
| 03/11/1998 | EP0703927B1 Preparation of polycarboxylates based on polysaccharides |
| 03/11/1998 | CN1175587A Process for preparing high substitution value hydroxypropyl starch |
| 03/10/1998 | US5726161 Bound starch particles with voids containing functional substances, i.e., insecticides, herbicides, vitamins, bacteriostats and drugs for sustained release; drug delivery |
| 03/04/1998 | EP0826061A2 Improvements in or relating to plant starch composition |
| 03/04/1998 | EP0826010A2 Water-resistant barrier material |
| 02/26/1998 | WO1998007755A1 Process for the manufacture of biodegradable starch esters |
| 02/26/1998 | DE19633474A1 Verfahren zur Herstellung biologisch abbaubarer Stärkeester A process for producing biodegradable starch ester |
| 02/19/1998 | WO1998006755A1 Thermoplastic processable starch or starch derivative polymer mixtures |
| 02/18/1998 | EP0824108A1 Thermoplastic polysaccharide and shaped articles moulded thereof |
| 02/18/1998 | EP0823921A1 Graft polymers made of alkylene oxide units-containing polymers and ethylenically unsaturated compounds, process for preparing the same and their use |
| 02/17/1998 | US5719214 Polyester-grafted starch-polymer alloy |
| 02/11/1998 | EP0823439A1 Improvements in or relating to agglomeration of starch |
| 02/10/1998 | US5717087 For molded parts, sheets, fibers, coatings, blends, laminates, matrices for delayed release of active materials, paper coatings |
| 02/04/1998 | EP0821885A1 Fructan- and/or polydextrose-containing dairy powders, process for preparing same and their use |
| 02/04/1998 | EP0702697B1 Method of making amide modified carboxyl-containing polysaccharide and fatty amide-modified polysaccharide so obtainable |
| 02/04/1998 | EP0579664B1 A method of oxidising carbohydrates |
| 02/03/1998 | US5714601 Dissolving or suspending starch in nonaqueous solvent and reacting with vinyl ester in presence of esterification catalyst which has previously been combined with starch |
| 02/03/1998 | US5714540 Esterified, polyvinyl ester-grafted starch |
| 01/29/1998 | DE19630428A1 Starch derivatives with decyl or higher aliphatic alkyl groups useful in fibre production and finishing |
| 01/28/1998 | CN1171797A Absorbent material |
| 01/21/1998 | CN1037105C Process for preparing stable narrow range high substitution value sodium carboxymethyl amyloether |
| 01/20/1998 | US5710269 Method of making starch acetate using an acid catalyst |
| 01/15/1998 | DE19627259A1 Modification of starch by corpuscular irradiation |
| 01/14/1998 | EP0817804A1 Biodegradable composition |
| 01/13/1998 | US5708162 Process for the preparation of low molecular weight polysaccharide ethers |
| 01/07/1998 | EP0815143A1 Improved oxidation process for producing polycarboxylates from polysaccharides |
| 01/06/1998 | US5705563 Starch hydrolysates |
| 12/31/1997 | WO1997049733A1 Thermally immobilized polysaccharide derivatives |
| 12/30/1997 | US5703226 Soaking starch-containing substrate in base to swell, heating, reducing ph, adding acylating agent |
| 12/30/1997 | CA2019675C Cationic polysaccharides and reagents for their preparation |
| 12/29/1997 | EP0814092A1 Esterified and polyester-grafted starch and alloy thereof |
| 12/29/1997 | EP0813547A1 Process for preparing neutralised polycarboxylates based on polysaccharides |
| 12/29/1997 | EP0543020B1 Oxidized composite comprising water-soluble carboxypolysaccharide and magnetic iron oxide |
| 12/23/1997 | CA2100698C Process for producing a starch intermediate product and process for making it |
| 12/16/1997 | US5698684 Process for the production of alkyl glycosides |
| 12/11/1997 | WO1997046592A1 Substantially uncrosslinked carboxymethyl starch, process for the preparation thereof, use as a retarding agent and a retarding drug |
| 12/11/1997 | WO1997046591A1 Cross-linked cationic starches and their use in papermaking |
| 12/11/1997 | DE19622790A1 Nahezu unvernetzte Carboxymethylstärke, Verfahren zu deren Herstellung, Verwendung dieser modifizierten Stärke als Retardierungsmittel sowie eine retardierende Arzneimittelzusammensetzung Virtually non-crosslinked carboxymethyl starch, methods for their preparation, use of this modified starch as retarding agent and a sustained-release drug composition |
| 12/10/1997 | EP0811633A2 Stabilised high viscosity starches |
| 12/02/1997 | US5693786 Esterfied, polyester-grafted starch |
| 11/26/1997 | EP0593605B1 Method of preparing starch esters for clinical, in particular parenteral, applications |
| 11/19/1997 | EP0807126A1 Process for the alcaline oxidative degradation of reducer sugars and products thus obtained |
| 11/19/1997 | EP0806942A1 Starch acetate composition with modifiable properties, method for preparation and usage thereof |
| 11/13/1997 | WO1997042225A1 Chemically derivatized maltodextrins |
| 11/13/1997 | CA2253651A1 Chemically derivatized maltodextrins |
| 11/06/1997 | WO1997036051A3 Temporary wet strength polymers from oxidized reaction product of polyhydroxy polymer and 1,2-disubstituted carboxylic alkene |
| 10/30/1997 | DE19709854A1 Poly:hydroxy:carboxylic acid copolymer resin preparation |
| 10/29/1997 | EP0803512A2 A starch for paper making |
| 10/29/1997 | CN1163272A Predextrinizing finishing starch and its preparing method |
| 10/08/1997 | EP0799245A1 Biodegradable thermoplastic starches |
| 10/02/1997 | WO1997036051A2 Temporary wet strength polymers from oxidized reaction product of polyhydroxy polymer and 1,2-disubstituted carboxylic alkene |
| 10/02/1997 | WO1997035890A1 Catalyst-free ozone oxidation of starch |
| 10/02/1997 | WO1997035888A1 Starch degradation using metal-based coordination complexes |
| 10/01/1997 | EP0798311A1 Starch degradation using metal-based coordination complexes |
| 10/01/1997 | EP0798310A1 Improved process for the oxidation of sugars |
| 09/30/1997 | US5672699 Process for preparation of hydrophobic starch derivatives |
| 09/30/1997 | US5672587 Isoproterenol prodrug with reduced side effects |
| 09/30/1997 | CA2112079C Method of preparing intermediate ds starch esters in aqueous solution |
| 09/25/1997 | CA2200889A1 Starch degradation using metal-based coordination complexes |
| 09/24/1997 | EP0796868A2 Stabilized or stabilized, crosslinked waxy potato starch |
| 09/24/1997 | EP0796281A1 Starch derivatives grafted with aliphatic polyesters, procedure for their production and their use |
| 09/23/1997 | US5670490 High aggregate reticular volume for releasing functional compound |
| 09/16/1997 | US5667803 Excipient in controlled release formulations, adjusting degree of substitution and compression force to control release properties |
| 09/12/1997 | WO1997032903A1 Method for oxidizing polysaccharides using ozone in the presence of a halogenide-containing catalyst |
| 09/12/1997 | WO1997032902A1 Method for oxidizing dry starch using ozone |
| 09/04/1997 | WO1997031951A1 Process for oxidising starch |
| 09/04/1997 | DE19607485A1 Preparation of thermoplastic modified starches used to make biodegradable films or moulded products |