Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5210348 | Process to remove benzene from refinery streams | Richard C. Robinson | 1993-05-11 |
| 5082990 | Alkylation of aromatics-containing refinery streams | A. John Gloyn | 1992-01-21 |
| 5061457 | Apparatus for liquid feed dispersion in fluid catalytic cracking systems | Desmond F. King, Frederick A. Pettersen, Cathleen A. Shargay | 1991-10-29 |
| 4875996 | Method for liquid feed dispersion in fluid catalytic cracking systems | Desmond F. King, Frederick A. Pettersen, Cathleen A. Shargay | 1989-10-24 |
| 4764270 | Simultaneous upgrading of tar sand bitumen and coal by corefining | William I. Donaldson | 1988-08-16 |
| 4761220 | Hydroprocessing catalyst fines as a first-stage catalyst in a two-stage, close-coupled thermal catalytic hydroconversion process | Samil Beret, S. Gary Yu | 1988-08-02 |
| 4676889 | Solvent extraction process for recovering bitumen from tar sand | Roger K. Clifford | 1987-06-30 |
| 4475925 | Gasification process for carbonaceous materials | — | 1984-10-09 |
| 4398924 | Sulfur oxide reduction in a coal gasification process | Paul T. Roberts | 1983-08-16 |