Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7199262 | 3-Hydroxypropyl ester of 2-trifluoromethylacrylic acid and process for producing same | Takahisa Tada, Seiji Murata, Akihiro Fukui | 2007-04-03 |
| 7002043 | Process for producing 1,1,1-trifluoroacetone | Masanori Tsukamoto, Fumiyoshi Yoshikawa, Masataka Fujimoto, Naoto Takada, Yoshikazu Sugimori | 2006-02-21 |
| 6774266 | Process for producing 1,1,1-trifluoroacetone | Masanori Tsukamoto, Takashi Sakaya, Takayuki Nishimiya | 2004-08-10 |
| 5017730 | Process of preparing bis (trifluoromethylphenyl) methanol | Yoshihiko Gotoh, Toshikazu Kawai | 1991-05-21 |
| 4849557 | Preparation of trifluoromethyltoluene from halomethylbenzotrifluoride | Takeshi Kondo, Yoshihiko Goto, Matsue Minezaki, Toshikazu Kawai | 1989-07-18 |
| 4599455 | Process of purifying fluorinated carbonyl compound mixed with hydrogen fluoride | Yutaka Maruyama, Katuyoshi Murata, Yutaka Katsuhara | 1986-07-08 |
| 4386223 | Method of purifying hexafluoroacetone containing chlorofluoroacetones | Toshikazu Kawai, Yutaka Maruyama, Akira Negishi | 1983-05-31 |