Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8318860 | Method for fluid-phase synthesis of a polymer | Christian Wolfrum | 2012-11-27 |
| 5525120 | Degreasing process | Rudolf Zauns-Huber, Alfred Meffert, Klaus Herrmann, Fredi Wolter | 1996-06-11 |
| 4799932 | Oiling agents based on sulfosuccinic acid monoamides | Hans-Herbert Friese, Uwe Ploog | 1989-01-24 |
| 4755187 | Method for producing waterproof leather | Hans-Herbert Friese, Uwe Ploog | 1988-07-05 |
| 4527992 | Process for the production of waterproof leathers and skins | Hans-Herbert Friese | 1985-07-09 |