Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5359122 | Preparation of 3-arylacrylic acids and their derivatives | Michael Huellmann, Josef Gnad | 1994-10-25 |
| 5336815 | Preparation of vinyl glycols | Walter Gramlich, Michael Huellmann, Hans-Ulrich Scholz | 1994-08-09 |
| 5320833 | Arylpolyenecarboxylic acids and their derivatives as sunscreen agents in cosmetic preparations | Gabriele Deckers, Bernd Wenderoth, Norbert Goetz, Karin Sperling-Vietmeier | 1994-06-14 |