Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10604695 | Terpolymer compositions | — | 2020-03-31 |
| 9982184 | Terpolymer compositions | — | 2018-05-29 |
| 6169134 | Viscosifying hydrocarbon liquids | David B. Acker | 2001-01-02 |
| 6147034 | Gelling agent for hydrocarbon liquid and method of use | Grahame N. Taylor | 2000-11-14 |
| 6133205 | Method of reducing the concentration of metal soaps of partially esterified phosphates from hydrocarbon flowback fluids | — | 2000-10-17 |
| 5990053 | Gelling agent for hydrocarbon liquid and method of use | Dennis A. Williams, Curtis C. Blair | 1999-11-23 |
| 5948735 | Use of breaker chemicals in gelled hydrocarbons | John C. Newlove, Fati Malekahmadi | 1999-09-07 |
| 5906966 | Drilling mud additives and in adding viscosification additives to oil-based drilling muds | Warren A. Thaler, John C. Newlove, David B. Acker | 1999-05-25 |
| 5723550 | Bulk sulfonation of EPDM rubber | David B. Acker, Dennis A. Williams, Robert D. Lundberg, Vijay Swarup | 1998-03-03 |
| 5478463 | Method of reducing sludge and varnish precursors in lubricating oils | Darrell W. Brownawell, Warren A. Thaler, Jacob Emert, Abhimanyu O. Patil | 1995-12-26 |
| 5190797 | Coating a substrate with an ionomer | Warren A. Thaler, Evelyn N. Drake, Pacifico V. Manalastas, Edward N. Kresge | 1993-03-02 |