Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8273426 | Encapsulated compositions | James Lavene | 2012-09-25 |
| 7947745 | Reducing the viscosity of an aqueous fluid | Charles R. George, Henry A. Pfeffer | 2011-05-24 |
| 7179485 | Hollow capsule having a wall permeable to water or an aqueous solution | John H. Schneider | 2007-02-20 |
| 6554071 | Encapsulated chemicals for use in controlled time release applications and methods | Baireddy R. Reddy, Ronald J. Crook, Dennis W. Gray, Russell M. Fitzgerald, Bradley L. Todd | 2003-04-29 |
| 6527051 | Encapsulated chemicals for use in controlled time release applications and methods | Baireddy R. Reddy, Ronald J. Crook, Dennis W. Gray, Russell M. Fitzgerald, Bradley L. Todd | 2003-03-04 |
| 6444316 | Encapsulated chemicals for use in controlled time release applications and methods | Baireddy R. Reddy, Ronald J. Crook, Dennis W. Gray, Russell M. Fitzgerald, Bradley L. Todd | 2002-09-03 |
| 6089318 | Method for control of fluid loss and gas migration in well cementing | Rebecca G. Udarbe, Charles R. George | 2000-07-18 |
| 6085840 | Method for control of liquid loss and gas migration in well cementing | Rebecca G. Udarbe | 2000-07-11 |
| 5386874 | Perphosphate viscosity breakers in well fracture fluids | Ronald J. Powell, Samuel D. Pelley | 1995-02-07 |