Issued Patents All Time
Showing 1–25 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10139387 | Quartz crystal characterization of fractions derived from cracked streams | Roger G. Gaughan, David Abdallah, Manuel S. Alvarez, Christopher J. Wolfe | 2018-11-27 |
| 8303804 | Process to improve jet fuels | Terry E. Helton, William J. Tracy, III, Michael T. Grove, Philip J. Angevine, David A. Pappal | 2012-11-06 |
| 8017020 | Method for determining the filterability of jet fuel containing additive(s) and conditions for the delivery of acceptable water content fuel | Michele S. Touvelle, Krystal B. Wrigley, Paul P. Wells | 2011-09-13 |
| 7740668 | Unleaded aminated aviation gasoline exhibiting control of toluene insoluble deposits | Roger G. Gaughan, Daniel Dawson Lowrey, Daniel E. Kadlecek | 2010-06-22 |
| 6150575 | Diesel fuel | Philip J. Angevine, Joan C. Axelrod, Alan Horowitz | 2000-11-21 |
| 5277830 | pH tolerant heteropolysaccharide gels for use in profile control | Thomas R. Sifferman | 1994-01-11 |
| 5210347 | Process for the production of high cetane value clean fuels | Catherine S. H. Chen, Suzanne E. Schramm | 1993-05-11 |
| 5156214 | Method for imparting selectivity to polymeric gel systems | Thomas R. Sifferman | 1992-10-20 |
| 5104912 | Phenolic and naphtholic ester crosslinked polymeric gels for permeability profile control | — | 1992-04-14 |
| 5100952 | Organically crosslinked polyvinyl alcohol copolymeric gels for use under harsh reservoir conditions | Paul Shu | 1992-03-31 |
| 5028344 | Stabilizing agent for profile control gels and polymeric gels of improved stability | — | 1991-07-02 |
| 5003006 | Oil reservoir permeability control | A. S. Chu, Harold S. Chung, Thomas O. Mitchell, Paul Shu | 1991-03-26 |
| 4991652 | Oil reservoir permeability profile control with crosslinked welan gum biopolymers | Thomas O. Mitchell, Paul Shu | 1991-02-12 |
| 4981520 | Oil reservoir permeability profile control with crosslinked welan gum biopolymers | Thomas O. Mitchell, Paul Shu | 1991-01-01 |
| 4940090 | Organically crosslinked polyvinyl alcohol copolymeric gels for use under harsh reservoir conditions | Paul Shu | 1990-07-10 |
| 4928766 | Stabilizing agent for profile control gels and polymeric gels of improved stability | — | 1990-05-29 |
| 4926943 | Phenolic and naphtholic ester crosslinked polymeric gels for permeability profile control | — | 1990-05-22 |
| 4915170 | Enhanced oil recovery method using crosslinked polymeric gels for profile control | — | 1990-04-10 |
| 4901795 | Method for imparting selectivity to otherwise nonselective polymer control gels | Craig H. Phelps, E. Thomas Strom, Thomas O. Mitchell, Paul Shu | 1990-02-20 |
| 4896723 | Cross-linked polyvinyl alcohols and oil reservoir permeability control therewith | Paul Shu | 1990-01-30 |
| 4859717 | Cross-linked polyvinyl alcohols and oil reservoir permeability control therewith | Paul Shu | 1989-08-22 |
| 4785883 | Polysilicate esters for oil reservoir permeability control | Louis D. Rollmann | 1988-11-22 |
| 4785028 | Gels for profile control in enhanced oil recovery under harsh conditions | Thomas O. Mitchell, Paul Shu | 1988-11-15 |
| 4776398 | Oil reservoir permeability control | A. S. Chu, Harold S. Chung, Thomas O. Mitchell, Paul Shu | 1988-10-11 |
| 4735265 | Method of enhanced oil recovery from subterranean formations | Thomas O. Mitchell | 1988-04-05 |