Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5202449 | Process for purifying 7-dimethylamino-6-demethyl-6-deoxytetracycline | Ryoichi Hasegawa, Hiroaki Ohno, Yoshinori Saito, Hiroaki Nishiyama, Shin'ichi Umeda | 1993-04-13 |
| 4918208 | Process for producing 7-dimethylamino-6-demethyl-6-deoxytetracycline | Ryoichi Hasegawa, Hiroaki Ohno, Yoshinori Saito | 1990-04-17 |