Issued Patents All Time
Showing 25 most recent of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9458248 | Cellulose mixed esters | Mark Glenny, Colin Gooch, Simon Francis Robert Hinkley, Jennifer Mary Mason, Cameron James Tristram | 2016-10-04 |
| 7879771 | Non-flammable, non-aqueous group IVB metal alkoxide crosslinkers and fracturing fluid compositions incorporating same | Derek Vaughn, Robert Hume Duncan, David N. Harry | 2011-02-01 |
| 7504438 | Demulsifiers, their preparation and use in oil bearing formations | Duane S. Treybig, Kin-Tai Chang | 2009-03-17 |
| 7273549 | Membrane contactor apparatus including a module having hollow fiber membranes | Mark A. Williams | 2007-09-25 |
| 6569983 | Method and composition for recovering hydrocarbon fluids from a subterranean reservoir | Duane S. Treybig, Kin-Tai Chang | 2003-05-27 |
| 6540943 | Method of inhibiting corrosion of metal equipment which is cleaned with an inorganic acid | Duane S. Treybig | 2003-04-01 |
| 6180057 | Corrosion inhibiting compositions and methods | Grahame N. Taylor, Juanita M. Cassidy, Gary P. Funkhouser | 2001-01-30 |
| 6117364 | Acid corrosion inhibitor | Mark A. Vorderbruggen | 2000-09-12 |
| 5990053 | Gelling agent for hydrocarbon liquid and method of use | Cruise K. Jones, Curtis C. Blair | 1999-11-23 |
| 5723550 | Bulk sulfonation of EPDM rubber | Cruise K. Jones, David B. Acker, Robert D. Lundberg, Vijay Swarup | 1998-03-03 |
| 5543387 | Surfactant additive for oilfield acidizing | Anita R. Mokadam, Charles E. Strubelt, Kenneth M. Webber | 1996-08-06 |
| 5543388 | Intensified corrosion inhibitor and method of use | Lee A. McDougall, James R. Looney | 1996-08-06 |
| 5470823 | Stimulation of coalbed methane production | James R. Looney, Michael W. Conway, Robert A. Swenson | 1995-11-28 |
| 5370184 | Method of treating formations | Lee A. McDougall, Fati Malekahmadi | 1994-12-06 |
| 5322630 | Amine derivatives as corrosion inhibitors | James R. Looney, Daniel S. Sullivan, III, Brent Bourland, John A. Haslegrave, Paul J. Clewlow +2 more | 1994-06-21 |
| 5217074 | Method of fracturing formations | Lee A. McDougall, Fati Malekahmadi | 1993-06-08 |
| 5209859 | Inhibited acid system for acidizing wells | Phyllis K. Holifield, James R. Looney, Lee A. McDougall | 1993-05-11 |
| 5200096 | Method of inhibiting corrosion in acidizing wells | Phyllis K. Holifield, James R. Looney, Lee A. McDougall | 1993-04-06 |
| 5162258 | Three metal personalization of application specific monolithic microwave integrated circuit | Zachary J. Lemnios, David G. McIntyre, Chung-Lim Lau | 1992-11-10 |
| 5130034 | Corrosion inhibitor and method of use | Phyllis K. Holifield, James R. Looney, Lee A. McDougall | 1992-07-14 |
| 5089153 | Method of inhibiting corrosion in acidizing wells | Phyllis K. Holifield, James R. Looney, Lee A. McDougall | 1992-02-18 |
| 5031700 | Method of improving formation permeability using chlorine dioxide | Lee A. McDougall | 1991-07-16 |
| 5007481 | Method of treating subterranean formations using a non-damaging fracturing fluid | Roger Horton, John C. Newlove, Robert E. Chumley | 1991-04-16 |
| 5002673 | Corrosion inhibitor and method of use | Phyllis K. Holifield, James R. Looney, Lee A. McDougall | 1991-03-26 |
| 4964466 | Hydraulic fracturing with chlorine dioxide cleanup | John C. Newlove, Roger Horton | 1990-10-23 |