Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10184053 | Pigment-type ultraviolet light curable coating for window film and preparation method therefor | Yao Tian, Lei Zhao, Tao Zhang, Jun-Wei Chen | 2019-01-22 |
| 9249351 | Viscoelastic surfactant fluids and related methods of use | Manilal S. Dahayanake, Jiang Yang, Joseph H. Y. Niu, Paul-Joel Derian, David Dino | 2016-02-02 |
| 7238648 | Viscoelastic surfactant fluids and related methods of use | Manilal S. Dahayanake, Jiang Yang, Joseph H. Y. Niu, Paul-Joel Derian, David Dino | 2007-07-03 |
| 6831108 | Viscoelastic surfactant fluids and related methods of use | Manilal S. Dahanayake, Jiang Yang, Joseph H. Y. Niu, Paul-Joel Derian, David Dino | 2004-12-14 |
| 6482866 | Viscoelastic surfactant fluids and related methods of use | Manilal S. Dahayanake, Jiang Yang, Joseph H. Y. Niu, Paul-Joel Derian, David Dino | 2002-11-19 |
| 6258859 | Viscoelastic surfactant fluids and related methods of use | Manilal S. Dahayanake, Jiang Yang, Joseph H. Y. Niu, Paul-Joel Derian, David Dino | 2001-07-10 |
| 6204297 | Nonionic gemini surfactants | David J. Tracy, Manilal S. Dahanayake, Jiang Yang | 2001-03-20 |
| 6121222 | Anionic surfactants having multiple hydrophobic and hydrophilic groups | David J. Tracy, Jiang Yang, Manilal S. Dahanayake | 2000-09-19 |
| 5952290 | Anionic gemini surfactants and methods for their preparation | David J. Tracy | 1999-09-14 |
| 5945393 | Nonionic gemini surfactants | David J. Tracy, Manilal S. Dahanayake, Jiang Yang | 1999-08-31 |
| 5922671 | Anionic surfactants having multiple hydrophobic and hydrophilic groups | David J. Tracy, Jean-Marc Ricca | 1999-07-13 |
| 5900397 | Nonylphenol nonionic gemini surfactants | David J. Tracy | 1999-05-04 |
| 5863886 | Nonionic gemini surfactants having multiple hydrophobic and hydrophilic sugar groups | David J. Tracy, Jiang Yang | 1999-01-26 |
| 5846926 | Nonionic gemini surfactants with three hydrophilic heads and two lipophilic tails | David J. Tracy, Jiang Yang | 1998-12-08 |
| 5811384 | Nonionic gemini surfactants | David J. Tracy, Manilal S. Dahanayake, Jiang Yang | 1998-09-22 |
| 5789371 | Amphoteric surfactants having multiple hydrophobic and hydrophilic groups | David J. Tracy, Jiang Yang | 1998-08-04 |
| 5710121 | Anionic surfactants having multiple hydrophobic and hydrophilic groups | David J. Tracy, Jean-Marc Ricca | 1998-01-20 |