Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5663113 | Ammoxidation catalyst composition | Hideo Midorikawa | 1997-09-02 |
| 5658842 | Ammoxidation catalyst composition, and process for producing acrylonitrile or methacrylonitrile using the same | Hideo Midorikawa, Kunitoshi Aoki, Osamu Nagano | 1997-08-19 |