Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6008185 | Macrocyclic lactones as musk fragrance enhancers | Heinz-Jurgen Bertram, Oskar Koch, Peter Worner | 1999-12-28 |
| 5965066 | Indanylidene compounds, a process for their preparation and their use as UV absorbers | Oskar Koch, Roland Langner, Horst Sommer | 1999-10-12 |
| 5874398 | Ethylvanillin isobutyrate | Peter Esser, Steffen Sonnenberg, Arturetto Landi, Peter Worner, Matthias Guntert +1 more | 1999-02-23 |
| 5703123 | Method for causing a physiological cooling effect to the skin or mucosa involving the application of carbonic acid esters | Ralf Pelzer, Rudolf Hopp | 1997-12-30 |
| 5585091 | Use of benzazoles UV absorbers, new benzazoles and a process for their preparation | Ralf Pelzer, Roland Langner, Horst Sommer, Alfred Krempel, Rudolf Hopp | 1996-12-17 |