Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4387047 | Esters of 1,3-dimethyl-but-3-en-1-yl, their utilization as perfuming and flavoring ingredients and compositions containing same | Walter Schenk, Roger Chappaz, Michel Joyeux | 1983-06-07 |
| 4251398 | Cyclohexyl-pentanolides and their use in perfume | Roland Aschiero, Walter Schenk | 1981-02-17 |
| 4224351 | Flavoring with certain sulphur compounds | Gunther Ohloff | 1980-09-23 |