Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4926006 | Aluminoborosilicate containing alkaline earth metal, a method for the preparation thereof and a method for the catalytic preparation of a lower olefin therewith | Kichinari Kawamura, Hideo Okado, Shigemitsu Shin, Haruo Takaya | 1990-05-15 |
| 4767886 | Method for preparing lower olefins | Kichinari Kawamura, Hideo Okado, Hiroyuki Hagiwara, Haruo Takaya | 1988-08-30 |