Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5418145 | Process for the preparation of 4-androstene-3,17-dione and 1,4-androstadiene-3,17-dione | Alfred Weber, Mario Kennecke | 1995-05-23 |
| 4644067 | Process for the extraction of amino acids from an aqueous phase | Alfred Weber, Detlef Wilke, Mario Kennecke | 1987-02-17 |