Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874885 | Process for the preparation of mercaptomethylphenols | Hans-Rudolf Meier, Samuel Evans, Roger Martin, Reto Luisoli | 1989-10-17 |
| 4863982 | Isocyanuric acid derivatives | Eduard Troxler, Peter Hofmann, Hans-Rudolf Meier, Paul Dubs | 1989-09-05 |