Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4576994 | Process for the preparation of a polypropylene molding composition | Helmut Strametz | 1986-03-18 |
| 4473687 | Polypropylene molding composition and process for its preparation | Friedrich Kloos, Horst Neumann, Helmut Strametz | 1984-09-25 |