Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885426 | Transalkylation of polyaromatics | David O. Marler, John P. McWilliams | 1989-12-05 |
| 4847055 | Process for ZSM-11 production | — | 1989-07-11 |
| 4822941 | Conversion of aliphatics to aromatics over a zeolite catalyst | David J. Baillargeon | 1989-04-18 |