Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4810367 | Process for deasphalting a heavy hydrocarbon feedstock | Didier Chombart, François-Xavier Cormerais | 1989-03-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4810367 | Process for deasphalting a heavy hydrocarbon feedstock | Didier Chombart, François-Xavier Cormerais | 1989-03-07 |