Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880764 | Dehydrogenation catalyst and process | Tamotsu Imai | 1989-11-14 |
| 4827072 | Dehydrogenation catalyst composition and hydrocarbon dehydrogenation process | Tamotsu Imai, Jeffery C. Bricker, Deng-Yang Jan | 1989-05-02 |