Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5679876 | Purification of pentafluoroethane | Pierre Ravenel | 1997-10-21 |
| 5672790 | Process for the hydrogenolysis of chlorofluorocarbons and of chlorofluorohydrocarbons | Dominique Guillet | 1997-09-30 |