Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4831151 | Antimicrobial imidazolium derivatives | Marc Montavon, Eva M. Karpitschka, Wilhelm Klotzer, Renate Mussner | 1989-05-16 |
| 4814332 | Antimicrobial 1,3-disubstituted/imidazolium salts | Wilhelm Klotzer, Renate Mussner, Werner Schiestl, Nicolas Singewald | 1989-03-21 |
| 4808727 | Imidazolium hydrogen carbonates | — | 1989-02-28 |