Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5684210 | Method of purifying fluoromethyl-1,1,1,3,3,3, hexafluoroisopropyl ether | Toshikazu Kawai, Takaaki Yoshimura, Mineo Watanabe | 1997-11-04 |
| 5684211 | Method of purifying fluoromethyl-1,1,1,3,3,3-hexafluoroisopropyl ether | Toshikazu Kawai, Takaaki Yoshimura, Mineo Watanabe | 1997-11-04 |