Issued Patents All Time
Showing 51–59 of 59 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7625845 | Method of using thermal insulation fluid containing hollow microspheres | Qi Qu | 2009-12-01 |
| 7418727 | Method for PC client security authentication | Haitao Lin, Quan Gan, Shuiyang Chen | 2008-08-26 |
| 7398824 | Method for inhibiting or controlling inorganic scale formations with copolymers of acrylamide and quaternary ammonium salts | Qi Qu, Mingjie Ke | 2008-07-15 |
| 7395863 | Method of treating a subterranean formation with an oil-based composition containing a polysaccharide-based water-superabsorbent material | Qi Qu | 2008-07-08 |
| 7362748 | Implementation method and system of the personal number service that syncretizes the phone network user and IP network user | Haitao Lin, Jun Jiao, Guangrong Li, Xiaoqin Huang, Guangsheng Zhang +2 more | 2008-04-22 |
| 7316275 | Well treating compositions containing water superabsorbent material and method of using the same | Qi Qu | 2008-01-08 |
| 7306039 | Methods of using crosslinkable compositions | Paul H. Javora | 2007-12-11 |
| 7151076 | Low residue well treatment fluids and methods of use | Qi Qu | 2006-12-19 |
| 6810959 | Low residue well treatment fluids and methods of use | Qi Qu | 2004-11-02 |