Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4804785 | Alpha, beta-substituted acroleins | Bernd Janssen, Stefan Karbach, Marco Thyes | 1989-02-14 |
HR
Hans-Gert Recker
Overall (1989): #107,889 of 140,708Top 80%
1
Patents 1989