Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4563497 | Method for making water soluble solid polymers | Horst Pennewiss, Hermann Plainer | 1986-01-07 |
| 4308120 | Polymerization method using ultraviolet light | Horst Pennewiss, Hermann Plainer, Juergen Jakob | 1981-12-29 |