Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6271426 | Process for the production of 2,6-dichloro-3,5-di(secondary or tertiary alkyl)toluene | Toshio Hozumi, Hitoshi Takahashi, Hidenori Moe, Masaaki Hiruta, Tadahito Kasami | 2001-08-07 |
| 5811555 | Method for substitution of an amino group of a primary amine by a chlorine atom and a synthetic method by application thereof | Takashi Wakasugi, Tadashi Miyakawa | 1998-09-22 |
| RE33779 | Preparation process of 4,4-dihydroxybiphenyl | Yutaka Konai, Tadashi Nakamura, Kazuo Yoshida, Yoshihisa Machida | 1991-12-24 |
| 4814521 | Process for producing 2,6-dihydroxynaphthalene and 2,6-diacetoxynaphthalene | Takashi Yamauchi, Hiroyuki Enari, Yutaka Konai | 1989-03-21 |
| 4804788 | Preparation process of 4,4-dihydroxybiphenyl | Yutaka Konai, Tadashi Nakamura, Kazuo Yoshida, Yoshihisa Machida | 1989-02-14 |