Simpson; Howard D.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Simpson; Howard D..The latest application filed is for "process for hydroprocessing hydrocarbons".
- Simpson; Howard D. - Irvine CA
| Patent | Date |
|---|---|
| Process for hydroprocessing hydrocarbons Grant 5,906,731 - Abdo , et al. May 25, 1 | 1999-05-25 |
| Hydrocarbon conversion process Grant 5,494,568 - Simpson , et al. February 27, 1 | 1996-02-27 |
| Phosphorous-containing hydroprocessing catalyst and method of preparation Grant 5,403,806 - Simpson April 4, 1 | 1995-04-04 |
| Hydroprocessing catalyst, its use, and method of preparation Grant 5,389,595 - Simpson , et al. February 14, 1 | 1995-02-14 |
| Hydroprocess utilizing a delta alumina-supported nickel and molybdenum catalyst Grant 5,300,217 - Simpson , et al. April 5, 1 | 1994-04-05 |
| Demetallation catalyst Grant 5,223,472 - Simpson , et al. June 29, 1 | 1993-06-29 |
| Resid hydroprocessing catalyst Grant 5,210,061 - Simpson , et al. May 11, 1 | 1993-05-11 |
| Resid hydroprocessing catalyst and method of preparation Grant 4,886,582 - Simpson December 12, 1 | 1989-12-12 |
| Hydroprocessing catalyst and phosphorous and citric acid containing impregnating solution Grant 4,879,265 - Simpson , et al. November 7, 1 | 1989-11-07 |
| Hydroprocessing catalyst with a Ni-P-Mo Grant 4,846,961 - Robinson , et al. July 11, 1 | 1989-07-11 |
| Desulfurization catalyst and the catalyst prepared by a method Grant 4,818,743 - Simpson , et al. April 4, 1 | 1989-04-04 |
| Reforming and related processes Grant 4,743,359 - Ting , et al. May 10, 1 | 1988-05-10 |
| Ni-P-Mo catalyst and hydroprocessing use thereof Grant 4,738,944 - Robinson , et al. April 19, 1 | 1988-04-19 |
| Hydrotreating catalyst and process Grant 4,568,449 - Angmorter , et al. February 4, 1 | 1986-02-04 |
| Hydrocarbon conversion process Grant 4,568,450 - Ting , et al. February 4, 1 | 1986-02-04 |
| Hydrocarbon processing Grant 4,548,710 - Simpson October 22, 1 | 1985-10-22 |
| Hydrotreating process Grant 4,540,483 - Simpson , et al. September 10, 1 | 1985-09-10 |
| Hydrotreating catalyst and a method for preparing the catalyst Grant 4,513,097 - Angmorter , et al. April 23, 1 | 1985-04-23 |
| Desulfurization catalyst and process Grant 4,500,424 - Simpson , et al. February 19, 1 | 1985-02-19 |
| Hydroprocessing catalyst and method for preparing it Grant 4,460,707 - Simpson July 17, 1 | 1984-07-17 |
| Hydrotreating catalyst Grant 4,446,248 - Simpson , et al. May 1, 1 | 1984-05-01 |
| Multiple-stage hydroprocessing of hydrocarbon oil Grant 4,431,526 - Simpson , et al. February 14, 1 | 1984-02-14 |
| Hydrotreating process Grant 4,396,500 - Simpson August 2, 1 | 1983-08-02 |
| Hydrodesulfurization catalyst on lithium-containing support and method for its preparation Grant 4,394,302 - Miller , et al. July 19, 1 | 1983-07-19 |
| Methanation catalysts and process for their preparation Grant 4,284,531 - Simpson , et al. August 18, 1 | 1981-08-18 |
| Hydrotreating catalyst and process for its preparation Grant 4,255,282 - Simpson March 10, 1 | 1981-03-10 |
| Desulfurization process and catalyst Grant 4,097,413 - Simpson June 27, 1 | 1978-06-27 |
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