Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6506710 | Viscoelastic surfactants and compositions containing same | Ralph Franklin, Douglas M. Lucas, Maurice Dery, Randy E. Dobson, Michael J. Engel +3 more | 2003-01-14 |
| 6239183 | Method for controlling the rheology of an aqueous fluid and gelling agent therefor | Robert F. Farmer, Andress K. Doyle, Glenda Vale, James F. Gadberry, Randy E. Dobson | 2001-05-29 |
| 5979555 | Surfactants for hydraulic fractoring compositions | James F. Gadberry, Ralph Franklin, Glenda del Carmen Vale, Foad Mozayeni | 1999-11-09 |
| 5663111 | Organoclay compositions | James F. Gadberry, Clois E. Powell | 1997-09-02 |