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| Number | Title | Issue Date |
| 7811458 | Method for treating aqueous sludge, material so produced and the use thereof The invention relates to a method for the accelerated dehydration of sludges in sludge disposal areas, especially of sludges from rivers and harbors, by the exclusive use of anionic polymer flocculants and the use of materials obtained according to the inventive met... | 10/12/2010 |
| 7553423 | Method for treating aqueous sludge, material so produced and the use thereof The invention relates to a method for the accelerated dehydration of sludges in sludge disposal areas, especially of sludges from rivers and harbors, by the exclusive use of anionic polymer flocculants and the use of materials obtained according to the inventive met... | 06/30/2009 |
| 7241452 | Skin and hair care agents Random three- and four-amino acid copolymers having lengths of 14-, 35- and 50-amino acid residues are provided. Fifty-mers of FEAK were effective inhibitors of MBP 85-99 or proteolipid protein (PLP) 40–60-specific HLA-DR-2-restricted T cell clones. These copolyme... | 07/10/2007 |
| 7078560 | Method for preparing amino alkyl(meth)acrylates A process for the preparation of aminoalkyl (meth)acrylates by transesterification from C1–C4-alkyl (meth)acrylates and aminoalcohols is described, in which process the transesterification is carried out in the presence of at least one distan... | 07/18/2006 |
| 7052775 | Method for producing cellulose shaped bodies with super-absorbent properties A process for producing cellulosic formed materials having high water retention capacity according to the dry-wet extrusion process by producing a solution of 5 to 20 wt.-% of cellulose in a hydrous tertiary amine oxide, extruding the solution, stretching the extrud... | 05/30/2006 |
| 7030199 | Method for producing water-soluble or water-swellable polymerizates with a very low residual monomer content, products produced according to this method and the use thereof The invention relates to a process for producing water-soluble or water-swellable polymer products from acrylic acid and/or acrylic acid derivatives partially or completely neutralized with nitrogen compounds and with exceedingly low levels of residual monomers, whi... | 04/18/2006 |
| 6979748 | Method for preparing amino alkyl(meth)acrylates A process for the preparation of aminoalkyl (meth)acrylates by transesterification from C1-C4-alkyl (meth)acrylates and aminoalcohols is described, in which process the transesterification is carried out in the presence of at least one distanno... | 12/27/2005 |
| 6958429 | Water-absorbing polymers with supramolecular hollow molecules, method for producing them and use of the same The invention relates to absorbent polymers based on optionally partially neutralised, monoethylenically unsaturated, acid group-carrying monomers. The surfaces of said polymers are re-cross-linked. The inventive polymers also have cyclodextrines and/or cyclodextrin... | 10/25/2005 |
| 6946189 | Substrate with super-absorbent material, method for manufacture thereof and use The invention relates to a substrate provided with super-absorbent material to be manufactured by allowing suitable monomers to polymerize in the presence of a catalyst in order to obtain a polymer solution, adding a cross-linking agent to the polymer solution to ob... | 09/20/2005 |
| 6911572 | Water-absorbing polymers having supramolecular hollow molecules, method for producing them and use of the same The invention relates to absorbent polymers based on optionally partially neutralised, monoethylenically unsaturated, acid group-carrying monomers. The surfaces of said polymers are re-cross-linked. The inventive polymers also have cyclodextrines and/or cyclodextrin... | 06/28/2005 |
| 6906131 | Cellulose material with improved absorbency An absorbent cellulose material having an application of superabsorbent polymer adhered to the cellulose material. In particular, the cellulose material has an application of pre-superabsorbent polymer adhered to the material, wherein an aqueous solution of pre-supe... | 06/14/2005 |
| 6863978 | Pulverulent polymers crosslinked on the surface The present invention relates to a pulverulent polymer post-crosslinked on the surface and absorbing water or aqueous liquids, synthesised from polymerised, optionally pre-crosslinked monomers containing partially neutralised carboxyl groups. The present invention a... | 03/08/2005 |
| 6861469 | Water-in-oil polymer dispersions with improved environmental compatibility The invention relates to water-in-oil polymer dispersions consisting of a continuous organic phase and water-soluble polymers finely distributed therein, wherein said polymers have a radical monomer content of less than 1,000 ppm. The invention also relates to a met... | 03/01/2005 |
| 6841229 | Superabsorbent polymers having delayed water absorption characteristics A superabsorbent polymer comprising a delayed absorption superabsorbent polymer having a free water absorbency property of absorbing less than about 3 grams of aqueous saline per gram of superabsorbent polymer in about 6 seconds, for a full particle size distributio... | 01/11/2005 |
| 6831142 | Pulverulent, crosslinked polymers which absorb aqueous liquids and blood The invention relates to absorptive, crosslinked polymers which are based on partly neutralized, monoethylenically unsaturated monomers carrying acid groups, and have improved properties, in particular in respect of their capacity for transportation of liquids in th... | 12/14/2004 |
| 6743391 | Superabsorbent polymers having delayed water absorption characteristics A superabsorbent polymer comprising a delayed absorption superabsorbent polymer having a free water absorbency property of absorbing less than about 3 grams of aqueous saline per gram of superabsorbent polymer in about 6 seconds, for a full particle size distributio... | 06/01/2004 |
| 6740720 | Water-soluble homopolymers and copolymers having an improved environmental acceptability The invention relates to water-soluble homopolymers and copolymers, which comprise an EbC50 value according to the algae toxicity test of Scenedesmus subspicatus of grater than 10 mg/l. The invention also relates to the production and use of these polymers a... | 05/25/2004 |
| 6716273 | Method and device for eliminating oxygen contained in aqueous monomer solutions A continuous process for removing oxygen from aqueous monomer solutions, including flowing an inert gas and a monomer solution in a column-shaped apparatus as a countercurrent, wherein the monomer solution is added at the head of the apparatus, flows through the app... | 04/06/2004 |
| 6664419 | Method and device for purifying substances by means of crystallization The invention relates to a method and a device for purifying mixtures of substances by means of optionally fractional crystallization. During the crystallization process, impurities can precipitate in addition to the desired product, since these are prese... | 12/16/2003 |
| 6660819 | Method for producing synthetic polymerizates with a very low residual monomer content, products produced according to this method and the use thereof The invention relates to a process for producing water-soluble or water-swellable polymer products with low levels of residual monomers using acrylic acid and/or acrylic acid derivatives, which process is characterized by adding a nitrogen compound to the... | 12/09/2003 |
| 6620889 | Powdery, crosslinked absorbent polymers, method for the production thereof, and their use The invention relates to crosslinked polymerizates which are capable of absorbing, which are based on partially neutralized, monoethylenically unsaturated monomers that carry acidic groups, which exhibit improved properties, in particular, with regard to ... | 09/16/2003 |
| 6593460 | Method for grafting lignin, polymerizates produced according to the method and the utilization thereof The invention relates to biologically degradable lignin graft polymers comprised of lignin and ethylenically unsaturated monomers which are formed by an enzymatically catalyzed polymerization method in the presence of organic peroxides. The polymerizates ... | 07/15/2003 |
| 6565981 | Polymers that are cross-linkable to form superabsorbent polymers A composite of a substrate having an application of superabsorbent polymer. The composite is made by applying, directly onto the substrate, an application of a polymer that will, upon being subjected to radiation, convert to a superabsorbent polymer. The ... | 05/20/2003 |
| 6552141 | Method for producing synthetic polymerizates with very low residual monomer content The invention relates to a method for producing water-soluble or water-swellable polymerizates with a low residual monomer content from acrylic acid and/or acrylic acid derivatives. The method is characterized by the addition of a nitrogen compound to the... | 04/22/2003 |
| 6514615 | Superabsorbent polymers having delayed water absorption characteristics A superabsorbent polymer comprising a delayed absorption superabsorbent polymer having a free water absorbency property of absorbing less than about 3 grams of aqueous saline per gram of superabsorbent polymer in about 6 seconds, for a full particle size ... | 02/04/2003 |
| 6514418 | Method of dewatering slurries using leaf filters (filter presses) The invention relates to a process for dewatering sewage sludges using plate filters, wherein the flocculated sewage sludge treated by means of organic polymer flocculation aids and optionally other auxiliary agents is separated from the major amount of w... | 02/04/2003 |
| 6489275 | Skin cleansing agent The present invention relates to an agent for cleansing the skin, containing a liquid natural and/or synthetic water-based latex emulsion excluding styrene-butadiene latices, exclusively at least one organic solvent which has a lower volatility than ethan... | 12/03/2002 |
| 6482344 | Superabsorbent polymer fibers having improved absorption characteristics A method for providing improved absorbency against pressure characteristics to non-surface crosslinked superabsorbent polymer fibers.... | 11/19/2002 |
| 6471983 | Skin application agents The present invention relates to a skin application agent containing a polyisoprene latex.... | 10/29/2002 |
| 6444730 | Mixture of a vegetable residue and a water-absorbing polymer product The invention relates to a storable and transportable and optionally utilizable mixture containing vegetable residues and at least one polymer product which absorbs water and/or aqueous liquids. The invention also relates to a process for producing said m... | 09/03/2002 |
| 6410610 | Method for producing cationic polyelectrolytes A process for producing water-soluble, cationic polyelectrolytes is described, wherein the polymerization of the water-soluble monomers is initiated at low temperatures using a combination of UV light, photoinitiator and a redox system, and is characteriz... | 06/25/2002 |
| 6410674 | INTERMEDIATE PRODUCT FOR MANUFACTURING LIGAIN POLYMERS AND IT'S USE IN MANUFACTURING REAGENTS FOR MAKING COMPOSITE MATERIALS FROM PLANT FIBERS, WATERPROOF PAPERS AND CARDBOARDS, AND THERMOSETTING PLASTICS FROM DERIVATIVES The invention relates to an intermediate product for manufacturing polymers of lignin derivatives from the pulp industry, made by treating the lignin derivatives with phenol oxidizing enzymes in the presence of oxidation agents, characterized in that the ... | 06/25/2002 |
| 6403700 | Absorbing agents for water and aqueous liquids and process for their production and use The present invention relates to a powdery, cross-linked polymer absorbing water and aqueous liquids formed of polymerized, unsaturated, acid groups-containing monomers that are present as salts neutralized to the extent of at least 50 mol-% and which opt... | 06/11/2002 |
| 6395830 | Superabsorbants with controlled absorption speed The invention relates to hydrophilic, highly swellable polymers for aqueous fluids, e.g. superabsorbants, which are coated with reactive, water-insoluble, film-forming, hydrophobic polymers and an additional reactive constituent which can react with carbo... | 05/28/2002 |
| 6376438 | Skin-compatible hand cleanser, especially a course hand cleanser The invention relates to hydrous liquid paste or cream-like hand cleansing agents without organic solvents, especially a course hand cleanser with a rubbing agent. Said cleansing agents are characterized by a content of 10 to 30 wt. % of at least one vege... | 04/23/2002 |
| 6350710 | Absorbent inserts, method of producing them and their use The invention relates to an absorbent insert for foodstuff packagings, the liquid-absorbing component of which is a superabsorbent polymer which, in a hitherto unrivaled fashion, persistently absorbs and retains large quantities of liquid even under high ... | 02/26/2002 |
| 6344108 | Using a dicarboxylic acid dialkyl ester brightening A process for producing fibrous materials for the manufacture of cellulose, paper or wood materials by using at least one dicarboxylic acid dialkyl ester and/or a copolymer of polyester-polyether and/or fatty acid polyol monopolyester, dipolyester, tripol... | 02/05/2002 |
| 6329324 | Active substance-containing composition, its production and its use The invention relates to an active substance-containing composition comprising: I. a water-in-oil polymer dispersion comprised of a continuous organic phase virtually immiscible with water, water-soluble and/or water-swellable polymer products finely disp... | 12/11/2001 |
| 6303560 | Compacted disintegrant granulate for compression-molded articles, its production and its use A compacted granulate and a method for making the same, comprises 60-99 wt.-% of a water-insoluble, water-swellable cellulose and optionally at least one water-swellable polysaccharide derivative, 1-40 wt.-% of at least one polymeric binder of a polymer o... | 10/16/2001 |
| 6232285 | Compacted granulate, process for making same and use as disintegrating agent for pressed detergent tablets, cleaning agent tablets for dishwashers, water softening tablets and scouring salt tablets A compacted granulate comprising water-swellable cellulose and/or cellulose derivatives and finely divided polymers/copolymers of (meth)acrylic acid or salts thereof and one or more liquid surfactants, and the use thereof as disintegrating agent for deter... | 05/15/2001 |
