Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7938952 | Process for multistage residue hydroconversion integrated with straight-run and conversion gasoils hydroconversion steps | James J. Colyar | 2011-05-10 |
| 7938953 | Selective heavy gas oil recycle for optimal integration of heavy oil conversion and vacuum gas oil treating | James J. Colyar | 2011-05-10 |
| 7919054 | Process and installation for conversion of heavy petroleum fractions in a boiling bed with integrated production of middle distillates with a very low sulfur content | Lawrence I. Wisdom, Andrea Gragnani | 2011-04-05 |