Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5116656 | Use of methyl abietates for transfer of perfuming compositions during fabric drying | Sina D. Escher | 1992-05-26 |
| 5068362 | Cyclic ethers and their utilization as perfuming or flavoring ingredients | Regula Naef, Sina D. Escher, Alain Velluz | 1991-11-26 |
| 5021402 | Cyclic ethers and their utilization as perfuming or flavoring ingredients | Regula Naef, Sina D. Escher, Alain Velluz | 1991-06-04 |
| 4578277 | 1(7)-p-Menthen-9-al and its utilization as perfuming and flavoring ingredient | Francois Delay, Fritz Gautschi, Alan F. Thomas, Wolfgang K. Giersch, Andre Boschung | 1986-03-25 |
| 4543429 | 1(7)-P-menthen-9-al | Francois Delay, Fritz Gautschi, Alan F. Thomas, Wolfgang K. Giersch, Andre Boschung | 1985-09-24 |
| 4514323 | Utilization of 2-hydroxy-3,4,4-trimethyl-cyclopent-2-en-1-one as perfuming ingredient | Sina D. Escher | 1985-04-30 |
| 4447627 | Aliphatic epoxy-ketone | Regula Naf, Ferdinand Naf | 1984-05-08 |
| 4374051 | Utilization of nitrogen containing heterocyclic derivatives as perfume ingredients | Regula Naf, Wilhelm Pickenhagen | 1983-02-15 |
| 4261867 | Using 1-ethynyl-2,2,6-trimethyl-cyclohexanol to enhance woody fragrance of perfume compositions | Peter Fankhauser | 1981-04-14 |
| 4248742 | Use of a hydroxylic bicyclic derivative as perfuming ingredient | Sina D. Escher | 1981-02-03 |