| 10501677 |
Surfactant compositions |
Gregory A. Winslow, Varadarajan Dwarakanath, Taimur Malik, Gayani Pinnawala Arachchilage |
2019-12-10 |
| 9181505 |
Integrated biofuel process |
James F. Stevens, Mukund Karanjikar, Kerry K. Spilker, Dennis P. Essl, Peter C. Ricci +5 more |
2015-11-10 |
| 8894818 |
Process for generating a hydrocarbon feedstock lignin |
William L. Schinski, Alexander E. Kuperman, Jinyi Han |
2014-11-25 |
| 8795472 |
Process for generating a hydrocarbon feedstock from lignin |
William L. Schinski, Alexander E. Kuperman, Jinyi Han |
2014-08-05 |
| 6207808 |
Catalytic method for the preparation of lignin phenol surfactants in organic solvents |
Lawrence E. Whittington, Dan Edward Kieke |
2001-03-27 |
| 6100385 |
Catalytic method for the preparation of lignin phenol surfactants in organic solvents |
Lawrence E. Whittington, Dan Edward Kieke |
2000-08-08 |
| 5230814 |
Hydrocarbon recovery comprising injecting a slug comprising oil soluble alkoxylated surfactants from lignin |
Michael G. DaGue, Nancy G. Dunn |
1993-07-27 |
| 5169559 |
Method for forming a high viscosity gel |
Lawrence E. Whittington |
1992-12-08 |
| 5100567 |
Shear-thickening solutions with hydroxypropyl cellulose |
Lawrence E. Whittington |
1992-03-31 |
| 5095985 |
Enhance oil recovery using oil soluble sulfonate surfactants from lignin and alkylphenol |
Centha A. Davis |
1992-03-17 |
| 5095986 |
Enhanced oil recovery using oil soluble sulfonates from lignin and benzyl alcohol |
Centha A. Davis |
1992-03-17 |
| 5076361 |
Gel method for decreasing permeability around a wellbore |
Lawrence E. Whittington |
1991-12-31 |
| 5035288 |
Lignin phenol/lignin/amine surfactant system |
Dan Edward Kieke |
1991-07-30 |
| 5027898 |
Foaming agents for carbon dioxide and steam floods |
— |
1991-07-02 |
| 4787454 |
Recovering hydrocarbons with surfactants from lignin |
Lawrence E. Whittington, Will A. Ledoux, Francis E. Debons |
1988-11-29 |
| 4781251 |
Recovering hydrocarbons with water soluble alkylphenol lignin surfactants |
Francis E. Debons |
1988-11-01 |
| 4739040 |
Surfactants from lignin |
Lawrence E. Whittington, Will A. Ledoux, Francis E. Debons |
1988-04-19 |