Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4364844 | Catalyst for production of unsaturated carboxylic acid, preparation thereof and production of unsaturated carboxylic acid | Sumio Umemura, Fumihiko Sakai, Kenichi Suzuki, Yasuo Bando, Toshihiko Hogami +1 more | 1982-12-21 |