Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886903 | Process for production of prostaglandins D2 | Masaaki Suzuki, Akira Yanagisawa, Seizi Kurozumi | 1989-12-12 |
| 4851537 | Process for preparing N-acyltetrahydroisoquinoline | Masato Kitamura, Hidemasa Takaya, Hidenori Kumobayashi, Susumu Akutagawa | 1989-07-25 |
| 4845282 | Process for prostaglandin E.sub.1 production, and novel delta 7-prostaglandins E and 7-hydroxyprostaglandins E | Masaaki Suzuki, Toshio Kawagishi, Seizi Kurozumi | 1989-07-04 |