Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5376708 | Biodegradable plastic materials, method of producing them, and their use | Bernd Best, Klaus Wollmann | 1994-12-27 |
| 5312933 | Method of producing symmetrical difatty acid diamides | Rainer Frische, Jurgen Volkheimer, Klaus Wollmann, Herrmann Schomann, Judith Schneider +2 more | 1994-05-17 |
| 5302670 | Plastics on fatty acid basis | Rainer Frische, Jurgen Volkheimer, Klaus Wollmann, Herrmann Schomann, Judith Schneider +2 more | 1994-04-12 |
| 5118722 | Method of producing elastic foams having a base of polyurethane by microwave foaming | Klaus Wollmann, Werner Frank | 1992-06-02 |