Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7608208 | Additives for water for fire protection | Jochen Houben, Martin Tennie | 2009-10-27 |
| 6861469 | Water-in-oil polymer dispersions with improved environmental compatibility | Bernd Diener, Veronika Gehler, Daniel Roulands, Dieter Werhahn | 2005-03-01 |
| 6087450 | Water-swelling polymers cross-linked with unsaturated amino alcohols, the production and use of same | Ludger Breitbach, Kurt Dahmen, Jochen Houben | 2000-07-11 |
| 4644083 | Process for the production of N-substituted .alpha.,.beta.-unsaturated carboxylic acid amides | Kurt Dahmen, Richard Mertens, Helmut Brehm | 1987-02-17 |
| 4528350 | Polymers of .alpha.,.beta.-unsaturated N-substituted carboxylic acid amides | Bernhard Goossens, Kurt Dahmen, Eduard Barthell | 1985-07-09 |
| 4408073 | Process for preparation of .alpha., .beta.-unsaturated N-substituted-carboxylic acid amides | Bernhard Goossens, Kurt Dahmen, Eduard Barthell | 1983-10-04 |
| 4312998 | Method for making N-substituted acrylamides | Bernhard Goossens, Kurt Dahmen, Eduard Barthell | 1982-01-26 |
| 4281186 | Acrylyl and methacrylyl ureas containing quaternary groups, process for their preparation and their use in the preparation of polymers | Kurt Dahmen, Eduard Barthell | 1981-07-28 |
| 4237067 | Process for the manufacture of .alpha.,.beta.-unsaturated N-substituted carboxylic acid amides | Bernhard Goossens, Eduard Barthell, Kurt Dahmen | 1980-12-02 |