Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879403 | Process for the preparation of cis, endo-2-azabicyclo-[3.3.0]-octane-3-carboxylic acids | Volker Teetz, Hansjorg Urbach, Reinhard Becker, Bernward Scholkens | 1989-11-07 |
| 4822894 | Optically active bicyclic imino-alpha-carboxylic esters | Volker Teetz, Dietrich Langner, Hansjorg Urbach, Rainer Henning | 1989-04-18 |