Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8057773 | Reduction of greenhouse gas emission from petroleum refineries | James B. MacArthur | 2011-11-15 |
| 7938952 | Process for multistage residue hydroconversion integrated with straight-run and conversion gasoils hydroconversion steps | John E. Duddy | 2011-05-10 |
| 7938953 | Selective heavy gas oil recycle for optimal integration of heavy oil conversion and vacuum gas oil treating | John E. Duddy | 2011-05-10 |