Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5676822 | Process for hydrodearomatization of hydrocarbon oils using carbon supported metal sulfide catalysts promoted by zinc | — | 1997-10-14 |
| 5651878 | Hydrodearomatization of Hydrocarbons | Frank Dolfinger, Jr., Max R. Cesar | 1997-07-29 |
| 5624547 | Process for pretreatment of hydrocarbon oil prior to hydrocracking and fluid catalytic cracking | Paul O. Fritz, Carl J. Kjellson, Hua Huang, Gerald G. Sandford | 1997-04-29 |