Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4833247 | Process for the production of 2-benzyl fatty acids | — | 1989-05-23 |
| 4820436 | Detergents for low laundering temperatures | Hans Andree, Horst Baumann, Manfred Biermann, Frantisek Jost, Fritz Lange +9 more | 1989-04-11 |