Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880939 | 2,5,6,7-tetranor-18,18,19,19-tetradehydro-4,8-inter-m-phenylene PGI.sub.2 derivatives | Kiyotaka Ohno, Toshiya Takahashi | 1989-11-14 |
| 4822804 | 5,6,7,-trinor-4,8-inter-m-phenylene 2-nor PGI.sub.2 derivatives and anti-ulcer, anti-thrombotic and anti-hypertensive pharmaceutical compositions containing them | Kiyotaka Ohno, Hiroshi Nagase, Mamoru Ishikawa, Kazuhisa Matsumoto | 1989-04-18 |