Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5548049 | Copolymers of allyliminodiacetic acid with unsaturated carboxylic acids and their use as complexing agents, peroxide stabilizers, builders in washing and cleaning products and dispersing agents | Helmut Brehm, Kurt Dahmen | 1996-08-20 |
| 5455284 | Process for the production of water-swellable products using superfines of water-swellable polymers | Kurt Dahmen, Helmut Brehm | 1995-10-03 |
| 5433753 | Use of copolymers having polysiloxane units in the treatment of leather and furs | Kurt Dahmen, Manfred Kaussen, Helmut Lohmann, Horst Kilian | 1995-07-18 |
| 5409771 | Aqueous-liquid and blood-absorbing powdery reticulated polymers, process for producing the same and their use as absorbents in sanitary articles | Kurt Dahmen | 1995-04-25 |
| 5408019 | Cross-linked, water-absorbing polymer and its use in the production of hygiene items | Kurt Dahmen, Helmut Brehm | 1995-04-18 |
| 5229466 | Powdery absorbing material for aqueous liquids based on water-swellable carboxylate polymers | Helmut Brehm | 1993-07-20 |
| 4904322 | Method for manufacturing a tension belt | — | 1990-02-27 |
| 4644083 | Process for the production of N-substituted .alpha.,.beta.-unsaturated carboxylic acid amides | Kurt Dahmen, Erich Kuster, Helmut Brehm | 1987-02-17 |
| 4582933 | Process for the production of N-(tert-aminoalkyl)acrylamides | Kurt Dahmen | 1986-04-15 |