Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5688379 | Process for preparing perfluoroalkyl bromides | Yasuhisa Furutaka, Kazuhiro Shimokawa, Yorisato Hisanaga, Souichi Ueda | 1997-11-18 |
| 5659093 | Method of producing 1,1,1,3,3-pentafluoropropane, a method of producing 1,1,1,3,3-pentafluoro-2-halogeno-3-chloropropane, and a method of producing 1,1,1,2,3,3-hexachloropropene | Seiji Takubo, Hirokazu Aoyama | 1997-08-19 |
| 5608128 | Production methods of 1,1,1,4,4,4-hexsfluoro-2-butene compounds and 1,1,1,4,4,4,-hexafluorobutane | Hirokazu Aoyama, Seiji Takubo | 1997-03-04 |