Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4831151 | Antimicrobial imidazolium derivatives | Helmut D. Link, Marc Montavon, Eva M. Karpitschka, Wilhelm Klotzer | 1989-05-16 |
| 4814332 | Antimicrobial 1,3-disubstituted/imidazolium salts | Wilhelm Klotzer, Helmut D. Link, Werner Schiestl, Nicolas Singewald | 1989-03-21 |