Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4843093 | Butyrolactone derivatives, process for production thereof and use therefor | Yoichiro Nagai, Taichi Nakano | 1989-06-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4843093 | Butyrolactone derivatives, process for production thereof and use therefor | Yoichiro Nagai, Taichi Nakano | 1989-06-27 |