Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4278614 | Process for the catalytical preparation of acrylonitrile | Sumio Umemura, Kyoji Ohdan, Tokuo Matsuzaki, Hiroyuki Asada | 1981-07-14 |
| 4205010 | Method for the catalytical production of acrylonitrile | Sumio Umemura, Kyoji Ohdan, Taizo Uda, Tokuo Matsuzaki, Mikio Hidaka +1 more | 1980-05-27 |