Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886581 | Removal of hydrogen fluoride from 2,2,3,3-tetra-fluorooxetane | Shoji Takaki, Hiroo Sakai | 1989-12-12 |
| 4864040 | Monohalogenotrifluorooxetane and its preparation | Satoru Kohno | 1989-09-05 |
| 4845268 | Halogen-containing polyether | Takashi Tohzuka, Shoji Takaki | 1989-07-04 |
| 4825014 | Process for preparing chlorotrifluoromethylbenzene | Heikitsu Sonoyama | 1989-04-25 |