Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4464532 | Intermediates of 7-alkoxycarbonyl-6,8-dimethyl-4-hydroxymethyl-1-phthalazone | Masao Yoshida, Rinzo Nishizawa | 1984-08-07 |
| 4350813 | Process for producing 7-alkoxycarbonyl-6,8-dimethyl-4-hydroxymethyl-1-phthalazone and its intermediates | Masao Yoshida, Rinzo Nishizawa | 1982-09-21 |