Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4822823 | Aqueous preparation and method of preparation thereof | Yujiro Yamamoto, Hideo Terayama | 1989-04-18 |
| 4808577 | Method for preventing coloration of aqueous preparations of cefmenoxime | — | 1989-02-28 |