Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8016898 | Method for producing Mannich adducts that contain polyisobutylene phenol | Arno Lange, Hans Peter Rath, Dietmar Posselt, Irene Trötsch-Schaller | 2011-09-13 |
| 7988749 | Method for producing Mannich adducts that contain polyisobutylene phenol | Arno Lange, Hans Peter Rath, Dietmar Posselt, Irene Troetsch-Schaller | 2011-08-02 |