Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8518244 | Hydrotreating process with improved hydrogen management | Sean C. Smyth, Bal K. Kaul, David L. Stern | 2013-08-27 |
| 6623621 | Control of flooding in a countercurrent flow reactor by use of temperature of liquid product stream | Larry L. Iaccino, Russell D. Sellen, David C. Dankworth, Edward S. Ellis, Jeffrey W. Frederick +2 more | 2003-09-23 |
| 6497810 | Countercurrent hydroprocessing with feedstream quench to control temperature | Larry Laccino | 2002-12-24 |
| 6495029 | Countercurrent desulfurization process for refractory organosulfur heterocycles | Edward S. Ellis, Michele S. Touvelle, Ramesh Gupta | 2002-12-17 |
| 6245221 | Desulfurization process for refractory organosulfur heterocycles | William C. Baird, Jr., Gary B. McVicker, Darryl P. Klein, Sylvain Hantzer, Michel Daage +4 more | 2001-06-12 |
| 6221240 | Desulfurization and aromatic saturation of feedstreams containing refractory organosulfur heterocycles and aromatics | Darryl P. Klein, Michele S. Touvelle, Edward S. Ellis, Carl W. Hudson, Sylvain Hantzer +5 more | 2001-04-24 |
| 6193877 | Desulfurization of petroleum streams containing condensed ring heterocyclic organosulfur compounds | Gary B. McVicker, William C. Baird, Jr., Michel Daage, Darryl P. Klein, Edward S. Ellis +2 more | 2001-02-27 |
| 6153086 | Combination cocurrent and countercurrent staged hydroprocessing with a vapor stage | Ramesh Gupta, Henry Jung, Edward S. Ellis, Larry L. Iaccino | 2000-11-28 |
| 6103106 | Desulfurization and ring opening of petroleum streams | Gary B. McVicker, William C. Baird Jr., Michele S. Touvelle, Michel Daage, Darryl P. Klein +4 more | 2000-08-15 |
| 6007787 | Countercurrent reaction vessel | Ramesh Gupta, David C. Dankworth, Dennis D. Fleming, Edward S. Ellis | 1999-12-28 |
| 5985131 | Hydroprocessing in a countercurrent reaction vessel | Ramesh Gupta, David C. Dankworth, Dennis D. Fleming, Edward S. Ellis | 1999-11-16 |
| 5935420 | Desulfurization process for refractory organosulfur heterocycles | William C. Baird, Jr., Gary B. McVicker, Darryl P. Klein, Sylvain Hantzer, Michel Daage +4 more | 1999-08-10 |
| 5928498 | Desulfurization and ring opening of petroleum streams | Gary B. McVicker, William C. Baird, Jr., Michele S. Touvelle, Michel Daage, Darryl P. Klein +4 more | 1999-07-27 |
| 5925239 | Desulfurization and aromatic saturation of feedstreams containing refractory organosulfur heterocycles and aromatics | Darryl P. Klein, Michele S. Touvelle, Edward S. Ellis, Carl W. Hudson, Sylvain Hantzer +5 more | 1999-07-20 |
| 5391292 | Cyclic reforming catalyst regeneration | Albert E. Schweizer | 1995-02-21 |
| 5306681 | Method for recovery or maintaining the activity of hydroisomerization catalysts | Biddanda U. Achia | 1994-04-26 |
| 5212128 | Method for recovering or maintaining the activity of hydroisomerization catalysts | Biddanda U. Achia | 1993-05-18 |
| 4900707 | Method for producing a wax isomerization catalyst | Ian A. Cody, Glen P. Hamner, Willard H. Sawyer | 1990-02-13 |
| 4690806 | Removal of sulfur from process streams | — | 1987-09-01 |
| 4613424 | Catalytic reforming process | — | 1986-09-23 |
| 4449991 | Removal of sulfur from process streams | Judeth H. Brannon | 1984-05-22 |
| 4354925 | Catalytic reforming process | — | 1982-10-19 |
| 4243519 | Hydrorefining process | — | 1981-01-06 |