Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4308218 | Aryl phosphonites and thiophosphonites useful as antioxidants | Kurt Hofer, Guenther Tscheulin | 1981-12-29 |
| 4211731 | Fluorene phosphonites and thiophosphonites as antioxidants for organic materials | Kurt Hofer, Guenther Tscheulin | 1980-07-08 |
| 4206076 | N-(Para-hydroxybiphenyl)amides | Kurt Hofer, Guenther Tscheulin, Anton Voykowitsch | 1980-06-03 |