Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5332725 | Odorants | — | 1994-07-26 |
| 5288701 | Derivatives of dihydrocampholenic aldehyde | — | 1994-02-22 |
| 5264615 | Schiff bases | — | 1993-11-23 |
| 5084440 | Acetals and ketals of oxo-tetralins and oxo-indanes | Alain-Pierre Bonenfant, Hans Ulrich Gonzenbach | 1992-01-28 |
| 4804776 | Process for the manufacture of benzene derivatives | Hans Ulrich Gonzenbach | 1989-02-14 |