Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4835333 | Motor fuel alkylation process utilizing a surfactant containing catalyst to reduce hydrofluoric acid requirements | — | 1989-05-30 |
| 4795728 | Motor fuel alkylation process utilizing a surfactant containing catalyst to reduce hydrofluoric acid requirements | — | 1989-01-03 |
| 4795845 | Regeneration of dehydrocyclodimerization catalyst | David C. Martindale, Tai-Hsiang Chao | 1989-01-03 |