Issued Patents All Time
Showing 25 most recent of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12391867 | Olefin sulfonates | Andrew Michael Thomas, Gayani W. Pinnawala, Varadarajan Dwarakanath, Andrew M. Davidson, Ping Wang | 2025-08-19 |
| 12012549 | Methods of using olefin sulfonates | Varadarajan Dwarakanath, Gayani W. Pinnawala, Andrew Michael Thomas, Andrew M. Davidson, Ping Wang | 2024-06-18 |
| 12012547 | Olefin sulfonate compositions | Gayani W. Pinnawala, Varadarajan Dwarakanath, Andrew Michael Thomas, Andrew M. Davidson, Ping Wang | 2024-06-18 |
| 10683460 | Ethylene oligomerization process for making hydrocarbon liquids | Hye Kyung Cho Timken, Bong-Kyu Chang, Andrew Michael Thomas, Mark Anthony Fernandez, Madeleine Sessions | 2020-06-16 |
| 9938473 | Ethylene oligomerization process for making hydrocarbon liquids | Hye Kyung Cho Timken, Bong-Kyu Chang, Andrew Michael Thomas, Mark Anthony Fernandez, Madeleine Sessions | 2018-04-10 |
| 9803154 | Process for preparing a para-branched alkyl-substituted hydroxyaromatic compound | Cedrick Mahieux, Alexander E. Kuperman | 2017-10-31 |
| 9745259 | Process for preparing alcohol ether sulfates | Ping Wang | 2017-08-29 |
| 9376359 | Process for preparing a para-linear alkyl-substituted hydroxyaromatic compound | Cedrick Mahieux, Alexander E. Kuperman | 2016-06-28 |
| 9328309 | Solvent extraction for preparing a salt of a sulfurized alkyl-substituted hydroxyaromatic composition | Cedrick Mahieux, Richard Dutta, Benjamin Yip | 2016-05-03 |
| 9249091 | Post-treated sulfurized salt of an alkyl-substituted hydroxyaromatic composition | Andrew R. Gibbs | 2016-02-02 |
| 9249092 | Isomerized alpha olefin sulfonate and method of making the same | Andrew J. Howes | 2016-02-02 |
| 8993798 | Isomerized alpha olefin sulfonate and method of making the same | Andrew J. Howes | 2015-03-31 |
| 8778856 | Low temperature performance lubricating oil detergents and method of making the same | Gilles P. Sinquin, Jean-Louis Le Coent, Jan Anthony Burval | 2014-07-15 |
| 8772209 | Process for preparing a salt of a sulfurized alkyl-substituted hydroxyaromatic composition | Cedrick Mahieux, Richard Dutta | 2014-07-08 |
| 8704006 | Skewed and middle attached linear chain alkylphenol and method of making the same | Cedrick Mahieux | 2014-04-22 |
| 8664170 | Low temperature performance lubricating oil detergents and method of making the same | Eugene E. Spala, Willie Horn, Jr. | 2014-03-04 |
| 8486877 | Alkylated hydroxyaromatic compound substantially free of endocrine disruptive chemicals | James J. Harrison | 2013-07-16 |
| 8399388 | Low temperature performance lubricating oil detergents and method of making the same | Eugene E. Spala, Willie Horn, Jr. | 2013-03-19 |
| 8299289 | Isomerized alpha olefin sulfonate and method of making the same | Theresa Ann Denslow | 2012-10-30 |
| 8293688 | Enhanced oil recovery surfactant composition and method of making the same | Yat Fan Suen | 2012-10-23 |
| 8283491 | Isomerized alpha olefin sulfonate and method of making the same | Theresa Ann Denslow | 2012-10-09 |
| 8163678 | Enhanced oil recovery surfactant formulation and method of making the same | Theresa Ann Denslow, Gabriel Prukop, Varadarajan Dwarakanath, Adam C. Jackson, Taimur Malik +1 more | 2012-04-24 |
| 8076272 | Method of making a synthetic alkylaryl sulfonate | Andrew J. Howes, Sophany Thach | 2011-12-13 |
| 7956022 | Low sulfur metal detergent-dispersants | Jean-Louis Le Coent, Jeffrey J. Toman | 2011-06-07 |
| 7943796 | Lubricating oil additive and lubricating oil composition containing same | Charles Michael Cisson | 2011-05-17 |