Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4348530 | Thioxanthonecarboxylic acids, esters, thioesters and amides with reactive functional groups | Vratislav Kvita, Hans Zweifel, Louis Felder | 1982-09-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4348530 | Thioxanthonecarboxylic acids, esters, thioesters and amides with reactive functional groups | Vratislav Kvita, Hans Zweifel, Louis Felder | 1982-09-07 |