Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4338291 | Process for producing hydrogen with viologen cation radical using metal complex of macrocyclic polydentate compound as catalyst | Akira Yamada, Takashi Tanno, Dieter Wehle | 1982-07-06 |