Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10392903 | Hydrocarbon wells treated with low dosage kinetic hydrate inhibitors | Howard James Spencer, Ravinder Virdee, Gordon T. Rivers, Marc N. Lehmann | 2019-08-27 |
| 10018017 | Low dosage kinetic hydrate inhibitors for natural gas production systems | Howard James Spencer, Ravinder Virdee, Gordon T. Rivers, Marc N. Lehmann | 2018-07-10 |
| 9708547 | Water-based formulation of H2S/mercaptan scavenger for fluids in oilfield and refinery applications | Sunder Ramachandran, Vladimir Jovancicevic, Ying H. Tsang, Philippe Prince, Jianzhong Yang +1 more | 2017-07-18 |
| 9434803 | Reverse emulsion breaker polymers | — | 2016-09-06 |
| 9260545 | Reverse emulsion breaker polymers | — | 2016-02-16 |
| 9260669 | Synergistic H2S/mercaptan scavengers using glyoxal | Sunder Ramachandran, Vladimir Jovancicevic, Kyle C. Cattanach | 2016-02-16 |
| 9145465 | Low dosage kinetic hydrate inhibitors for natural gas production systems | Howard James Spencer, Ravinder Virdee, Gordon T. Rivers, Marc N. Lehmann | 2015-09-29 |
| 8703655 | Dispersing sulfide scales in oil and gas production systems | Marc N. Lehmann, Faezeh F. Firouzkouhi, Tauseef Salma | 2014-04-22 |
| 6159379 | Organic ammonium salts for the removal of water soluble organics in produced water | Charles Mitchell Means | 2000-12-12 |
| 5728907 | Tetraalkylmethanes as synthetic lubricants | William J. Heilman | 1998-03-17 |