Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4365068 | Crosslinkable bis-imidyl derivatives | Roland Darms, Gerd Greber | 1982-12-21 |
| 4363917 | 3,5-Disubstituted phthalic acid imides, phthalic acids and phthalic acid anhydrides | Walter Fischer, Hans Zweifel | 1982-12-14 |
| 4348530 | Thioxanthonecarboxylic acids, esters, thioesters and amides with reactive functional groups | Hans Zweifel, Martin Roth, Louis Felder | 1982-09-07 |