Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4652326 | Process for the production of semifinished products and/or molded components from polypropylene | Paul Spielau, Werner Kuhnel, Karlo Klaar, Richard Weiss, Horst Ulb +3 more | 1987-03-24 |