Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4307089 | Compositions of pyrithione metal salts and undecylenic acid alkylolamide derivatives | Robert Tanck | 1981-12-22 |
| 4221733 | Betaines exhibiting improved skin-protecting characteristics | Wolfgang Reinisch | 1980-09-09 |