Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8227650 | Process and catalyst for selective hydrogenation of dienes and acetylenes | John R. Adams | 2012-07-24 |
| 7297824 | Ni hydrogenation catalysts, manufacture and use | J. Yong Ryu | 2007-11-20 |
| 7196035 | Ni hydrogenation catalysts, manufacture and use | J. Yong Ryu | 2007-03-27 |
| 7022645 | Ni hydrogenation catalysts, manufacture and use | J. Yong Ryu | 2006-04-04 |
| 6583325 | Process for the production of tertiary alkyl ethers | Lawrence A. Smith, Jr., Henry J. Semerak, Clifford S. Crossland | 2003-06-24 |
| 6440299 | Process for removal of mercaptans from hydrocarbon streams | Dennis Hearn, Gary R. Gildert | 2002-08-27 |
| 6338793 | Process for the desulfurization of a diesel fraction | — | 2002-01-15 |
| 6231752 | Process for the removal of mercaptans | — | 2001-05-15 |
| 6083378 | Process for the simultaneous treatment and fractionation of light naphtha hydrocarbon streams | Gary R. Gildert, Willibrord A. Groten | 2000-07-04 |
| 5961815 | Hydroconversion process | Thomas P. Hickey, Dennis Hearn | 1999-10-05 |
| 5877363 | Process for concurrent selective hydrogenation of acetylenes and 1,2 butadine in hydrocarbon streams | Gary R. Gildert, Dennis Hearn | 1999-03-02 |
| 5856602 | Selective hydrogenation of aromatics contained in hydrocarbon streams | Gary R. Gildert, Dennis Hearn | 1999-01-05 |
| 5779883 | Hydrodesulfurization process utilizing a distillation column realtor | Dennis Hearn | 1998-07-14 |
| 5773670 | Hydrogenation of unsaturated cyclic compounds | Gary R. Gildert, Dennis Hearn | 1998-06-30 |
| 5763714 | Process and apparatus for the production and recovery of p-xylene | Thomas P. Hickey, Dennis Hearn | 1998-06-09 |
| 5595634 | Process for selective hydrogenation of highly unsaturated compounds and isomerization of olefins in hydrocarbon streams | Dennis Hearn, Gary R. Gildert | 1997-01-21 |