Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12084616 | Stabilizing scavenger formulations in the presence of excess formaldehyde for storage at elevated temperatures | Zhengwei Liu, Jagrut Jani, Jerry J. Weers, Sunder Ramachandran | 2024-09-10 |
| 11802246 | Synergistic effects among mercaptan scavengers | Peng Jin, Zhengwei Liu, Jerry J. Weers, Sunder Ramchandran, Jagrut Jani +1 more | 2023-10-31 |
| 11229860 | Application of formaldehyde sulfoxylates for scavenging H2S | Soma Chakraborty, Sunder Ramachandran, Kimchi T. Phan | 2022-01-25 |
| 10940407 | Application of formaldehyde sulfoxylates for scavenging H2S | Soma Chakraborty, Sunder Ramachandran, Kimchi T. Phan | 2021-03-09 |
| 10858577 | Pre-flush for oil foamers | Rosanel Morales, Lirio Quintero | 2020-12-08 |
| 9587181 | Synergistic H2S scavenger combination of transition metal salts with water-soluble aldehydes and aldehyde precursors | Vladimir Jovancicevic, Sunder Ramachandran | 2017-03-07 |
| 9480946 | Metal carboxylate salts as H2S scavengers in mixed production or dry gas or wet gas systems | Sunder Ramachandran, Vladimir Jovancicevic | 2016-11-01 |
| 9278307 | Synergistic H2 S scavengers | Sunder Ramachandran, Vladimir Jovancicevic | 2016-03-08 |
| 8579035 | Method for recovering oil from an oil well | Saet B. Debord, Marc N. Lehmann, Nancy C. Means | 2013-11-12 |
| 8575082 | Additive to improve flow, reduce power consumption and pressure drop in heavy oil pipelines | Samuel Asomaning | 2013-11-05 |
| 8342198 | Additive to improve flow, reduce power consumption and pressure drop in heavy oil pipelines | Samuel Asomaning | 2013-01-01 |
| 5686057 | Selective oxidation of hydrogen sulfide in molten sulfur | William L. Witzig | 1997-11-11 |
| 5500373 | Methods for determining the concentration of cyanide in sour aqueous systems | — | 1996-03-19 |
| 5476988 | Settling aids for solids in hydrocarbons | Paul R. Hart, Wiley L. Parker, Alan E. Goliaszewski, April Jean | 1995-12-19 |
| 5283006 | Neutralizing amines with low salt precipitation potential | James G. Edmondson | 1994-02-01 |
| 5211840 | Neutralizing amines with low salt precipitation potential | James G. Edmondson | 1993-05-18 |
| 5019341 | Method of inhibiting corrosion of metal surfaces in contact with a corrosive hydrocarbon containing medium | Joseph H. Y. Niu, James G. Edmondson | 1991-05-28 |