Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4851595 | Liquid phase halogen exchange process for the manufacture of 1,1,1,2-tetrafluoroethane | — | 1989-07-25 |
| 4843181 | Process for the manufacture of 1,1,1-trifluorodichloroethane and 1,1,1,2-tetrafluorochloroethane | Leo Ernest Manzer, V. N. Mallikarjuna Rao | 1989-06-27 |