Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE41585 | Method for controlling the rheology of an aqueous fluid and gelling agent therefor | Robert F. Farmer, Andress K. Doyle, Glenda Vale, James F. Gadberry, Michael Hoey | 2010-08-24 |
| 7060661 | Acid thickeners and uses thereof | David Kelly Moss, Raman Premachandran | 2006-06-13 |
| 6506710 | Viscoelastic surfactants and compositions containing same | Michael Hoey, Ralph Franklin, Douglas M. Lucas, Maurice Dery, 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, Michael Hoey | 2001-05-29 |