Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7371309 | Purification of difluoromethane by extractive distillation | Barry Asher Mahler, Ralph Newton Miller | 2008-05-13 |
| 6303838 | Separating 1,1,1,3,3-pentafluoropropane from hydrogen fluoride | Barry Asher Mahler, Ralph Newton Miller | 2001-10-16 |