Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8844629 | Method of fracturing using alkaliphile derived enzyme breaker | — | 2014-09-30 |
| 8833457 | Sulfates and phosphates as allosteric effectors in mannanohydrolase enzyme breakers | Hoang Van Le, Bharath Rajappa, Qi Qu | 2014-09-16 |
| 8517095 | Method of using hexose oxidases to create hydrogen peroxide in aqueous well treatment fluids | Qi Qu | 2013-08-27 |
| 8486867 | Method of fracturing using mannanohydrolase enzyme breaker | — | 2013-07-16 |
| 8096360 | Alkaline β-mannanase containing compositions useful for the hydrolysis of guar in high pH environments and methods related thereto | — | 2012-01-17 |
| 8058212 | Method of fracturing using mannanohydrolase enzyme breaker | — | 2011-11-15 |