Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5868945 | Process of treating produced water with ozone | Wilson Kirkpatrick Martir, Hossein Aghazeynali, David E. Wright | 1999-02-09 |
| 5804078 | Method of removing water soluble organics from oil process water | Nellie R. Miranda, Wilson Kirkpatrick Martir, Hossein Aghazeynali | 1998-09-08 |
| 5381002 | Fluorescence method of quantifying hydrocarbons, including crude oil, dispersed in water | Wilson Kirkpatrick Martir, Hossein Aghazeynali | 1995-01-10 |
| 5094295 | Enhanced oil recovery using alkylated, sulfonated, oxidized lignin surfactants | — | 1992-03-10 |
| 4790382 | Alkylated oxidized lignins as surfactants | Michael G. DaGue, Lawrence E. Whittington | 1988-12-13 |
| 4739041 | Alkylated oxidized lignins as surfactants | Michael G. DaGue, Lawrence E. Whittington | 1988-04-19 |
| 4721161 | Method for decreasing permeability around a wellbore | William C. Richardson, Lawrence E. Whittington | 1988-01-26 |
| 4411985 | Heat stabilizable photographic silver halide material and process | John Thatcher | 1983-10-25 |
| 4207392 | Heat developable and stabilizable photographic materials and process | Daniel D. Shiao | 1980-06-10 |