Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882441 | Lower-alkyl or aryl-sulfonyl unsaturated tacopherols | David L. Coffen, Mark J. Sebastian | 1989-11-21 |
| 4879395 | Vitamin E intermediate | David L. Coffen, Mark J. Sebastian | 1989-11-07 |
| 4853472 | Vitamin E intermediates | David L. Coffen, Mark J. Sebastian | 1989-08-01 |
| 4827004 | Isoprene derivatives | Albert E. Fischli, Max Schmid | 1989-05-02 |