Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873216 | Lanthana-alumina-aluminum phosphate catalyst composition | Robert P. L. Absil, Philip J. Angevine, Garry W. Kirker | 1989-10-10 |
| 4810357 | Catalytic dewaxing of light and heavy oils in dual parallel reactors | William E. Garwood, James C. Vartuli | 1989-03-07 |
| 4810361 | Resid hydrotreating process using lanthana-alumina-aluminum phosphate catalyst | Robert P. L. Absil, Philip J. Angevine, Garry W. Kirker | 1989-03-07 |