Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10456749 | System for the removal of heat stable amine salts from an amine absorbent | Nareshkumar B. Handagama, Barath Baburao, Frederic Vitse, Jonathan W. Leister, Ross E. Dugas | 2019-10-29 |
| 10005021 | System and method for recovering ammonia from a gas stream | Sanjay Kumar Dube | 2018-06-26 |
| 9133407 | Systems and processes for removing volatile degradation products produced in gas purification | Peter Ulrich Koss | 2015-09-15 |
| 9101912 | Method for regeneration of solid amine CO2 capture beds | — | 2015-08-11 |
| 8741247 | Method and system for low energy carbon dioxide removal | — | 2014-06-03 |
| 8318005 | Tetra-sulfo iron-phthalocyanine and related methods | John M. Griffin, Clare M. Worley | 2012-11-27 |
| 8313718 | Method and composition for removal of mercaptans from gas streams | — | 2012-11-20 |
| 5922109 | Gas drying process using glycol solution solubility suppressants | Peter C. Rooney, Felipe A. Donate, Joseph R. Downey | 1999-07-13 |
| 5433934 | Method for simultaneous absorption of sulfur dioxide and nitric oxide from flue gas | Dane Chang, Larry H. Kirby | 1995-07-18 |
| 5338778 | Removal of hydrogen sulfide from fluid streams | John D. Myers | 1994-08-16 |
| 5320816 | Process for absorption of sulfur dioxide and nitric oxide from flue gas | Susan S. Tsai, Larry H. Kirby, Aubrey J. Rhymes, Jr., Richard D. Varjian | 1994-06-14 |
| 5167941 | Quaternary polyamines as sulfite oxidation inhibitors in amine scrubbing of SO.sub.2 | — | 1992-12-01 |
| 5096691 | H.sub.2 S abatement with stabilized chelates in geothermal drilling | — | 1992-03-17 |
| 5043504 | Inhibition of butadiene-polymerization during the conversion of butadiene to vinylcyclohexene | — | 1991-08-27 |
| 5019365 | Quaternary polyamines as sulfite oxidation inhibitors | — | 1991-05-28 |
| 4960575 | Removal of hydrogen sulfide with on site generated sulfite from geothermal steam | Larry H. Kirby | 1990-10-02 |
| 4960576 | H.sub.2 S abatement in geothermal steam during stacking operations | Charles A. Hammond, Larry H. Kirby | 1990-10-02 |
| 4921683 | Nitric oxide abatement with polymeric cobalt(III) chelates | — | 1990-05-01 |
| 4891205 | Stabilized chelating agents for removing hydrogen sulfide | — | 1990-01-02 |
| 4814051 | Process for the recovery of alkanolamines from their heat-stable salts formed in alkanolamine sorbent solutions | Susan S. Kuan Tsai | 1989-03-21 |
| 4808284 | Process for the recovery of alkanolamines from their heat-stable salts formed during absorbent thermal regenerative step of gas conditioning processes | Susan S. Kuan Tsai | 1989-02-28 |
| 4696802 | Drilling geothermal wells with removal of H.sub.2 S | — | 1987-09-29 |
| 4643886 | Automatic pH control in a process for removal of hydrogen sulfide from a gas | Dane Chang | 1987-02-17 |
| 4632912 | Polymer supported Ziegler-Natta catalysts | William R. Howell, Jr., William Monroe Coleman, III | 1986-12-30 |
| 4623707 | Polymerization of olefins in the presence of polymer supported Ziegler-Natta catalysts | William Monroe Coleman, III, William R. Howell, Jr. | 1986-11-18 |