Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4861877 | Process for preparing 4-acetoxy-3-hydroxyethylazetidin-2-one derivatives | Takehisa Ohashi, Noboru Ueyama, Isao Sada, Akimasa Miyama, Kiyoshi Watanabe | 1989-08-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4861877 | Process for preparing 4-acetoxy-3-hydroxyethylazetidin-2-one derivatives | Takehisa Ohashi, Noboru Ueyama, Isao Sada, Akimasa Miyama, Kiyoshi Watanabe | 1989-08-29 |