Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4618605 | Process for the production of .beta.-elemonic acid and pharmaceutical preparations containing said acid | Gunter Stapel, Karl-Heinz Gober, Sigurd Leyck, Helmut Wetzig, Christian Birkner +3 more | 1986-10-21 |
| 4354035 | Process for isolating rosmarinic acid from plants | Kurt Kesselring | 1982-10-12 |