Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5696185 | Aqueous polymer dispersions | Wilhelm Friedrich Beckerle, Rolf Petri, Bernhard Dotzauer, Manfred Schwartz | 1997-12-09 |
| 5604272 | Unsaturated sulfonic acid polymers as spray drying assistants | Erich Penzel, Gernot Franzmann, Joachim Pakusch, Bernhard Schuler | 1997-02-18 |