Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4828679 | Octane improvement with large size ZSM-5 catalytic cracking | William E. Cormier, Guenter H. Kuehl | 1989-05-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4828679 | Octane improvement with large size ZSM-5 catalytic cracking | William E. Cormier, Guenter H. Kuehl | 1989-05-09 |