Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5202449 | Process for purifying 7-dimethylamino-6-demethyl-6-deoxytetracycline | Ryoichi Hasegawa, Hiroaki Ohno, Kazuaki Sano, Yoshinori Saito, Hiroaki Nishiyama | 1993-04-13 |