Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4319636 | Surfactant waterflood oil recovery process | Lawrence E. Whittington | 1982-03-16 |
| 4299284 | High sweep efficiency enhanced oil recovery process | Alfred Brown, James E. Varnon, Lawrence E. Whittington | 1981-11-10 |
| 4276933 | Surfactant waterflood method for the recovery of oil | George Kalfoglou, Lawrence E. Whittington | 1981-07-07 |
| 4277352 | Demulsification of emulsions produced from surfactant recovery operations and recovery of surfactants therefrom | Jean B. Allison, Lawrence E. Whittington | 1981-07-07 |
| 4220204 | Oil recovery method utilizing a dialkyl phenol polyethoxy alkyl sulfonate as a solubilizing co-surfactant | James W. Hughes, Nancy G. Dunn | 1980-09-02 |
| 4217958 | Sacrificial agents for petroleum recovery processes | Martha S. Doster | 1980-08-19 |