Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5731440 | Intermediates for producing 5,7-dichloro-4-hydroxyquinoline | Hiroshi Yoshizawa, Tomizo Fujino | 1998-03-24 |
| 5491239 | Method for halogenating an aromatic compound | Rikuo Nasu, Hayato Ariyoshi | 1996-02-13 |
| 5399767 | Process for producing 3,5-difluoraniline | Rikuo Nasu | 1995-03-21 |