Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6660893 | Hydrogen fluoride recovery process | Paul Nicholas Ewing, Christopher Roberts | 2003-12-09 |
| 6555086 | Hydrogen fluoride recovery process | Paul Nicholas Ewing, Robert E. Low | 2003-04-29 |
| 6340781 | Purification of pentafluoroethane | Gary Goodyear | 2002-01-22 |
| 6270742 | Hydrogen fluoride recovery process | Paul Nicholas Ewing, Christopher Roberts | 2001-08-07 |
| 6127586 | Production of pentafluoroethane | John David Scott, Paul Nicholas Ewing | 2000-10-03 |
| 6107529 | Purification of 1,1,1,2-tetrafluoroethane | — | 2000-08-22 |
| 5962753 | Process for the manufacture of pentafluoroethane | Paul Nicholas Ewing | 1999-10-05 |
| 5902913 | Production of hydrofluoroalkanes | Richard Powell, John David Scott, David William Bonniface | 1999-05-11 |
| 5898088 | Production of pentafluoroethane | John David Scott, Paul Nicholas Ewing | 1999-04-27 |
| 5288930 | Purification of 1,1,1,2-tetrafluoroethane | Adrian S. Swindells | 1994-02-22 |
| 5200431 | Process for the separation of halogenated hydrocarbons by extractive distillation | Pravin K. Dattani, John David Scott, Barry William Farrant | 1993-04-06 |