Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885426 | Transalkylation of polyaromatics | Yung F. Chu, John P. McWilliams | 1989-12-05 |
| 4851604 | Toluene disproportionation | Robert P. L. Absil, Scott Han, David S. Shihabi | 1989-07-25 |