Tohzuka; Takashi
Patent Applications and Registrations
Patent applications and USPTO patent grants for Tohzuka; Takashi.The latest application filed is for "fluorine-containing polyether and nonionic surfactant comprising the same".
- Tohzuka; Takashi - Osaka JP
| Patent | Date |
|---|---|
| Fluorine-containing polyether and nonionic surfactant comprising the same Grant 5,214,216 - Tohzuka , et al. May 25, 1 | 1993-05-25 |
| Fluorine-containing phosphate ester, its preparation and its use for preventing rust Grant 5,132,446 - Tohzuka , et al. July 21, 1 | 1992-07-21 |
| Halogen-containing polyether Grant 4,845,268 - Ohsaka , et al. * July 4, 1 | 1989-07-04 |
| Halogen-containing polyether and its use Grant 4,836,944 - Tohzuka , et al. June 6, 1 | 1989-06-06 |
| Fluorine-containing grease composition Grant 4,724,092 - Fukui , et al. February 9, 1 | 1988-02-09 |
| 2,2-difluoropropionic acid derivatives Grant 4,719,052 - Ohsaka , et al. January 12, 1 | 1988-01-12 |
| Process for preparing hexafluoropropanone-2 Grant 4,165,340 - Tohzuka , et al. August 21, 1 | 1979-08-21 |
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