Issued Patents All Time
Showing 26–50 of 156 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5322628 | Method for simultaneously drying and removing metallic and organic mercury from fluids | — | 1994-06-21 |
| 5292493 | Clean up of ethanolamine solution by treating with weak ion exchange resins | Costandi A. Audeh | 1994-03-08 |
| 5268155 | Clean up of ethanolamine to improve performance and control corrosion of ethanolamine units | — | 1993-12-07 |
| 5258116 | Method for reducing turnaround time of hydroprocessing units | Bruce D. McLaughlin | 1993-11-02 |
| 5248488 | Natural gas treating system | — | 1993-09-28 |
| 5239109 | Formate synthesis | — | 1993-08-24 |
| 5137702 | Regeneration of used alkanolamine solutions | — | 1992-08-11 |
| 5112494 | Removal of cyanide from water | — | 1992-05-12 |
| 5110480 | On-line rejuvenation of spent absorbents | — | 1992-05-05 |
| 5108551 | Reclamation of alkanolamine solutions | — | 1992-04-28 |
| 5107060 | Thermal cracking of mercury-containing hydrocarbon | — | 1992-04-21 |
| 5106799 | Fluidized bed combustion process | Gary J. Green | 1992-04-21 |
| 5096673 | Natural gas treating system including mercury trap | Douglas J. Gammie | 1992-03-17 |
| 5080799 | Hg removal from wastewater by regenerative adsorption | — | 1992-01-14 |
| 5060728 | Process for preventing scale formation in oil wells | — | 1991-10-29 |
| 5057204 | Catalytic visbreaking process | — | 1991-10-15 |
| 5053209 | Removal of mercury from natural gas and liquid hydrocarbons utilizing silver on alumina adsorbent | — | 1991-10-01 |
| 5041401 | Thermally stable noble metal-containing zeolite catalyst | Hans J. Schoennagel, Ying-Yen P. Tsao | 1991-08-20 |
| 5024752 | Upgrading of resids by liquid phase mild coking | — | 1991-06-18 |
| 5004854 | Pseudocumene and mesitylene production and coproduction thereof with xylene | — | 1991-04-02 |
| 4994172 | Pipelineable syncrude (synthetic crude) from heavy oil | John S. Buchanan, Lillian A. Rankel | 1991-02-19 |
| 4991521 | Fluidized bed combustion process and apparatus | Gary J. Green | 1991-02-12 |
| 4982050 | Natural gas treating system including mercury trap | Douglas J. Gammie | 1991-01-01 |
| 4980049 | Catalytic cracking of heavy oils | Billy K. Huh | 1990-12-25 |
| 4980050 | Catalytic cracking process with partial CO combustion | Billy K. Huh | 1990-12-25 |