Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8143333 | Water absorbing hydrogels and methods of making and use thereof | Gerhard Fabritz | 2012-03-27 |
| 7652080 | Water absorbing hydrogels and methods of making and use thereof | Gerhard Fabritz | 2010-01-26 |
| 7342058 | Water absorbing hydrogels and methods of making and use thereof | Gerhard Fabritz | 2008-03-11 |
| 6403700 | Absorbing agents for water and aqueous liquids and process for their production and use | Kurt Dahmen | 2002-06-11 |
| 6060557 | Absorbing agents for water and aqueous liquids and process for their production and use | Kurt Dahmen | 2000-05-09 |
| 6048467 | Leather-treatment agents, process for their preparation, and their use for producing low-fogging leathers | Kurt Dahmen, Thomas Muller, Norbert Behlau | 2000-04-11 |
| 5830445 | Abrasive in cosmetic products, process for their production and uses thereof | Gunter Bouillon, Gunter Daniel, Horst Denzer, Martin Franzen | 1998-11-03 |
| 5686555 | Absorbents for acids and lyes | Kurt Dahmen, Uwe Gunther | 1997-11-11 |
| 5569408 | New water-soluble, biologically decomposable carbonic acid polyesters and their use as preparing and slip additives of synthetic fibres | Bernhard Goossens, Karl Winck | 1996-10-29 |
| 5304664 | Process for the production of highly sulfated fatty acids and fatty acid derivatives | Kurt Dahmen | 1994-04-19 |
| 5177249 | Compounds with at least three functional ester groups and process for the production thereof | — | 1993-01-05 |
| 4773967 | Water-soluble polymers plus natural resins as sizing agents | Friedlieb Koschier | 1988-09-27 |
| 4711919 | Water-soluble polymers plus natural resins sizing agent | Friedlieb Koschier | 1987-12-08 |
| 4415472 | Mixture of alkali salts of sulfo-succinic acid dialkylesters and higher aliphatic alcohols, use thereof to defoam mineral acid decomposition media | — | 1983-11-15 |
| 4256800 | Antistatic agents for coating the backing of carpets and other flat textile articles | Dolf Stockhausen | 1981-03-17 |