Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9249351 | Viscoelastic surfactant fluids and related methods of use | Manilal S. Dahayanake, Jiang Yang, Joseph H. Y. Niu, Paul-Joel Derian, Ruoxin Li | 2016-02-02 |
| 7238648 | Viscoelastic surfactant fluids and related methods of use | Manilal S. Dahayanake, Jiang Yang, Joseph H. Y. Niu, Paul-Joel Derian, Ruoxin Li | 2007-07-03 |
| 6831108 | Viscoelastic surfactant fluids and related methods of use | Manilal S. Dahanayake, Jiang Yang, Joseph H. Y. Niu, Paul-Joel Derian, Ruoxin Li | 2004-12-14 |
| 6482866 | Viscoelastic surfactant fluids and related methods of use | Manilal S. Dahayanake, Jiang Yang, Joseph H. Y. Niu, Paul-Joel Derian, Ruoxin Li | 2002-11-19 |
| 6258859 | Viscoelastic surfactant fluids and related methods of use | Manilal S. Dahayanake, Jiang Yang, Joseph H. Y. Niu, Paul-Joel Derian, Ruoxin Li | 2001-07-10 |
| 6113809 | Use of a high purity imidazoline based amphoacetates as surface active agents | Anthony Homack | 2000-09-05 |