Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 | Kurt Dahmen | 2006-04-18 |
| 6660819 | Method for producing synthetic polymerizates with a very low residual monomer content, products produced according to this method and the use thereof | Kurt Dahmen | 2003-12-09 |
| 6552141 | Method for producing synthetic polymerizates with very low residual monomer content | Kurt Dahmen | 2003-04-22 |
| 5856370 | Cross-linked synthetic polymers having a porous structure, a high absorption rate for water, aqueous solutions and body fluids, a process for their production and their use in the absorption and/or retention of water and/or aqueous liquids | — | 1999-01-05 |
| 5733576 | Process for the production of absorbing material with an improved degradability and absorption for water, aqueous solutions and body liquids, and its use in hygienic articles and for soil conditioning | — | 1998-03-31 |
| 5340853 | Polymer-based swelling and absorbing agents with an improved degradability and an improved absorption for water, aqueous solutions and body liquids and the use of said agents for the production of hygienic articles and for soil conditioning | Helmut Klimmek | 1994-08-23 |
| 5264471 | Process for the production of water-absorbing polymer material with incorporated water-soluble substances and its use for the absorption and/or subsequent release of water or aqueous solutions | — | 1993-11-23 |
| RE33839 | Absorbents for blood and serous body fluids | Kurt Dahmen, Georg Hoffman, Georg Werner | 1992-03-03 |
| 4929717 | Method of preparing polymers with a low residual content of monomers | — | 1990-05-29 |
| 4893999 | Apparatus for the continuous production of polymers and copolymers of water-soluble monomers | Josef Pauen | 1990-01-16 |
| 4857610 | Process for the continuous production of polymers and copolymers of water-soluble monomers | Josef Pauen | 1989-08-15 |
| 4693713 | Absorbents for blood and serous body fluids | Kurt Dahmen, Georg Hoffman, Georg Werner | 1987-09-15 |
| 4663491 | Copolymers of n-alkyl acrylates and maleic anhydride and their use as crystallization inhibitors for paraffin-bearing crude oils | Eduard Barthell, Anthony Capelle, Kurt Dahmen | 1987-05-05 |
| 4631063 | Process for finish dressing minerally dressed leathers or those dressed by a combined method, using polymer dressings | Dolf Stockhausen, Rudolf Nowak, Manfred Kaussen, Kurt Dahmen | 1986-12-23 |
| 4605401 | Material for the absorption of water, aqueous solutions and aqueous body fluids | Alois Kunschner | 1986-08-12 |