Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7947745 | Reducing the viscosity of an aqueous fluid | Steven B. Laramay, Henry A. Pfeffer | 2011-05-24 |
| 6107256 | Method of and additive for controlling fluid loss from a drilling fluid | Rebecca G. Udarbe, Kim Hancock-Grossi | 2000-08-22 |
| 6089318 | Method for control of fluid loss and gas migration in well cementing | Steven B. Laramay, Rebecca G. Udarbe | 2000-07-18 |
| 4557763 | Dispersant and fluid loss additives for oil field cements | Richard R. Gerke | 1985-12-10 |
| RE31190 | Oil well cementing process | William J. Detroit, Michael E. Sanford, Jiten Chatterji, Jerry D. Childs, Roosevelt Love | 1983-03-29 |