Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4871444 | Distillate fuel quality of FCC cycle oils | Nai Y. Chen, Anil B. Ketkar, Chaya R. Venkat | 1989-10-03 |
| 4828680 | Catalytic cracking of hydrocarbons | Gary J. Green, Tsoung Y. Yan | 1989-05-09 |