Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6042814 | Sulphonic acids and their use as UV absorbers | Roland Langner, Alfred Krempel | 2000-03-28 |
| 6008185 | Macrocyclic lactones as musk fragrance enhancers | Heinz-Jurgen Bertram, Peter Worner, Horst Surburg | 1999-12-28 |
| 5965066 | Indanylidene compounds, a process for their preparation and their use as UV absorbers | Horst Surburg, Roland Langner, Horst Sommer | 1999-10-12 |
| 5319104 | Derivatives of cyclic lactones, a process for their preparation and a process for the preparation of 15-pentadecanolide and its homologues | Rudolf Hopp, Horst Finkelmeier, Alfred Korber | 1994-06-07 |