Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9249351 | Viscoelastic surfactant fluids and related methods of use | Manilal S. Dahayanake, Jiang Yang, Paul-Joel Derian, Ruoxin Li, David Dino | 2016-02-02 |
| 7238648 | Viscoelastic surfactant fluids and related methods of use | Manilal S. Dahayanake, Jiang Yang, Paul-Joel Derian, Ruoxin Li, David Dino | 2007-07-03 |
| 6831108 | Viscoelastic surfactant fluids and related methods of use | Manilal S. Dahanayake, Jiang Yang, Paul-Joel Derian, Ruoxin Li, David Dino | 2004-12-14 |
| 6482866 | Viscoelastic surfactant fluids and related methods of use | Manilal S. Dahayanake, Jiang Yang, Paul-Joel Derian, Ruoxin Li, David Dino | 2002-11-19 |
| 6258859 | Viscoelastic surfactant fluids and related methods of use | Manilal S. Dahayanake, Jiang Yang, Paul-Joel Derian, Ruoxin Li, David Dino | 2001-07-10 |
| 5925604 | Mild cold pearlizing concentrates | Pu Chen, Siew Fang Yoong | 1999-07-20 |
| 5560873 | Mild cold pearlizing concentrates | Pu Chen, Siew Fang Yoong | 1996-10-01 |
| 5162417 | Gelled acidizer composition | Jui-Chang Chuang, Jenn S. Shih | 1992-11-10 |
| 5019341 | Method of inhibiting corrosion of metal surfaces in contact with a corrosive hydrocarbon containing medium | James G. Edmondson, Scott E. Lehrer | 1991-05-28 |
| 4894139 | Methods for deactivating copper in hydrocarbon fluids | Paul V. Roling, Dwight K. Reid | 1990-01-16 |
| 4883580 | Methods for deactivating iron in hydrocarbon fluids | Paul V. Roling | 1989-11-28 |
| 4847415 | Methods and composition for deactivating iron in hydrocarbon fluids | Paul V. Roling | 1989-07-11 |
| 4810354 | Bifunctional antifoulant compositions and methods | Paul V. Roling, Dwight K. Reid | 1989-03-07 |
| 4749468 | Methods for deactivating copper in hydrocarbon fluids | Paul V. Roling, Dwight K. Reid | 1988-06-07 |
| 4637822 | Coal-oil slurries containing a surfactant | Irving R. Schmolka | 1987-01-20 |
| 4490275 | Method and composition for neutralizing acidic components in petroleum refining units | — | 1984-12-25 |
| 4430196 | Method and composition for neutralizing acidic components in petroleum refining units | — | 1984-02-07 |
| 4288232 | Ester containing fuel composition | Irving R. Schmolka | 1981-09-08 |
| 4276054 | Coal-oil slurries containing a surfactant | Irving R. Schmolka | 1981-06-30 |