Issued Patents All Time
Showing 76–90 of 90 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 |
| 5575906 | Process for the electrochemical fluorination of a hydrocarbon substrate | Ole Ekelund | 1996-11-19 |
| 5498820 | Alkylation process | — | 1996-03-12 |
| 5472921 | Process for the recovery of spent fluorinated sulphonic acid catalyst in an alkylation process | — | 1995-12-05 |
| 5457258 | Recovery of spent acid catalyst from alkylation of hydrocarbons | Claus J. H. Jacobsen | 1995-10-10 |
| 5396017 | Alkylation process | — | 1995-03-07 |
| 5396018 | Method of recovery acid catalyst from acid catalyzed processes | — | 1995-03-07 |
| 5245100 | Alkylation process | Haldor F. A. Topsoe | 1993-09-14 |
| 5220095 | Alkylation process | Haldor F. A. Topsoe | 1993-06-15 |