Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876382 | Process for making fluorobenzoic acid fluorophenylesters | Yasunobu Nishimura | 1989-10-24 |
| 4849557 | Preparation of trifluoromethyltoluene from halomethylbenzotrifluoride | Takeshi Kondo, Junji Negishi, Yoshihiko Goto, Matsue Minezaki | 1989-07-18 |
| 4845279 | Method of preparing 4-trifluoromethyl-2-nitrobenzoic acid and novel isomer | Yasunori Nishimura, Yoshihiko Gotoh | 1989-07-04 |
| 4808746 | Preparation of trifluoromethylbenzonitrile from trifluoromethylbenzaldehyde | Yasunobu Nishimura, Yoshikazu Sugimori | 1989-02-28 |
| 4620042 | Preparation of 2-chloro-4-fluorophenol from 4-fluorophenol | Ysunobu Nishimura, Katumi Kanesaki | 1986-10-28 |
| 4564716 | Preparation of 1,1,1,3,3,3-hexafluoropropane-2-ol by hydrogenolysis of hexafluoroacetone hydrate | Yutaka Katsuhara, Toshihiro Nakamichi, Toru Nakazora | 1986-01-14 |
| 4544772 | Method of purifying hexafluoroacetone hydrate | Mithio Sawai, Yoshihiro Tasaka, Yutaka Katsuhara | 1985-10-01 |
| 4540835 | Preparation of 2-trifluoromethylpropanol by vapor phase hydrogenation of 2-trifluoromethylpropanal | Akira Negishi, Iwao Ojima, Takamasa Fuchikami | 1985-09-10 |
| 4523041 | Method of purifying 4-fluorophenol | Haruo Suzuki, Shouzou Kaneda | 1985-06-11 |
| 4467124 | Preparation of 1,1,1,3,3,3-hexafluoropropane-2-ol by vapor phase catalytic reaction of hexafluoroacetone hydrate with hydrogen | Akira Negishi | 1984-08-21 |
| 4386223 | Method of purifying hexafluoroacetone containing chlorofluoroacetones | Yutaka Maruyama, Junji Negishi, Akira Negishi | 1983-05-31 |