Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6063265 | Process for producing hydrodesulfurization catalyst and hydrodesulfurizing gas oil therewith | Osamu Chiyoda, Kazushi Usui, Kazuo Idei, Etsuo Suzuki, Katsuyoshi Ohki +3 more | 2000-05-16 |
| 4732886 | Hydrogen treating catalyst for hydrodesulfurization-cracking of mineral oil | Takeshi Tomino, Kinya Tawara | 1988-03-22 |