Issued Patents 1997
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5693855 | Process for the synthesis of fluorinated sulfonic acids | John Zavilla | 1997-12-02 |
| 5675053 | Alkylation process | — | 1997-10-07 |
| 5672741 | Process for the hydrolysis of fluorinated sulphonyl fluorides | Ole Ekelund | 1997-09-30 |
| 5648522 | Process for the synthesis of fluorinated sulphonic acids | Ole Ekelund, John Zavilla | 1997-07-15 |
| 5625114 | Process for the recovery of spent acid catalyst | — | 1997-04-29 |
| 5618769 | Process for the recovery of alkylation catalyst | — | 1997-04-08 |
| 5603812 | Process for the recovery of a strong acid from an aqueous solution | — | 1997-02-18 |