Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4820864 | Method for racemization of optically active chrysanthemic acid or its ester | Gohfu Suzukamo, Masami Fukao | 1989-04-11 |
| 4812264 | Method for racemization of optically active chrysanthemic acid derivatives | Gohfu Suzukamo, Masami Fukao | 1989-03-14 |