Issued Patents All Time
Showing 26–50 of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6755974 | Continuous naphtha treatment method | Binh N. Le, Daniel P. Leta, John N. Begasse, Charles T. Huang, Verlin Keith Turner +1 more | 2004-06-29 |
| 6642421 | Method for isolating enriched source of conducting polymers precursors | John N. Begasse | 2003-11-04 |
| 6641716 | Method for isolating enriched source of conducting polymers precursors using monohydroxyl alcohol treating agent | John N. Begasse | 2003-11-04 |
| 6627069 | Method for reducing the naphthenic acid content of crude oil and its fractions | — | 2003-09-30 |
| 6531055 | Method for reducing the naphthenic acid content of crude oil and fractions | — | 2003-03-11 |
| 6488840 | Mercaptan removal from petroleum streams (Law950) | Michael C. Kerby, Roby Bearden, Jr. | 2002-12-03 |
| 6352640 | Caustic extraction of mercaptans (LAW966) | Bruce R. Cook, Richard H. Ernst | 2002-03-05 |
| 6303019 | Treatment of refinery feedstreams to remove peroxides and prevent subsequent refinery fouling using an electrochemical reduction method (Law890) | Michael Siskin, Glen E. Phillips | 2001-10-16 |
| 6034141 | Isobutanol synthesis catalyst | Thomas Henry Vanderspurt, Daniel P. Leta, Russell John Koveal, Mark Michael Disko, Angela Klaus +2 more | 2000-03-07 |
| 6013176 | Method for decreasing the metals content of petroleum streams | Roby Bearden, Jr., Michael C. Kerby | 2000-01-11 |
| 6007705 | Method for demetallating petroleum streams (LAW772) | Paul James Polini | 1999-12-28 |
| 5965008 | Method for anodically decreasing conradson carbon content of petroleum streams | Michael C. Kerby | 1999-10-12 |
| 5942101 | Method for decreasing the conradson carbon number of petroleum streams | — | 1999-08-24 |
| 5939352 | Isobutanol synthesis catalyst--(LAW092) | Thomas Henry Vanderspurt, Daniel P. Leta, Russell John Koveal, Mark Michael Disko, Angela Klaus +2 more | 1999-08-17 |
| 5911859 | Three-dimensional electrode (Law464) | Paul James Polini | 1999-06-15 |
| 5911869 | Method for demetallating petroleum streams (LAW639) | — | 1999-06-15 |
| 5908807 | Isobutanol synthesis catalyst | Thomas Henry Vanderspurt, Daniel P. Leta, Russell John Koveal, Mark Michael Disko, Angela Klaus +2 more | 1999-06-01 |
| 5879529 | Method for decreasing the conradson carbon content of petroleum feedstreams | William N. Olmstead | 1999-03-09 |
| 5855764 | Method for demetallating petroleum streams | William N. Olmstead | 1999-01-05 |
| 5824627 | Heterometallic lube oil additives | Jonathan M. McConnachie, Catherine L. Coyle, Edward I. Stiefel | 1998-10-20 |
| 5817228 | Method for anodically demetallating refinery feedstreams | Michael C. Kerby | 1998-10-06 |
| 5770541 | Isobutanol synthesis catalyst | Thomas Henry Vanderspurt, Daniel P. Leta, Russell John Koveal, Mark Michael Disko, Angela Klaus +2 more | 1998-06-23 |
| 5707920 | Isobutanol synthesis catalyst | Thomas Henry Vanderspurt, Daniel P. Leta, Russell John Koveal, Mark Michael Disko, Angela Klaus +2 more | 1998-01-13 |
| 5529684 | Method for demetallating refinery feedstreams | Michael C. Kerby, William N. Olmstead, Irwin A. Wiehe | 1996-06-25 |
| 5514252 | Method for reducing Conradson carbon content of petroleum streams | Michael C. Kerby, Carl W. Hudson | 1996-05-07 |