Inventor · disambiguated record
Lawrence E. Whittington
Also filed as: CHAPMAN DUANE K · WHITTINGTON LAWRENCE E · WHITTINGTON LAWRENCE EDWARD
22 granted patents·516 citations·filing 1977–2000
96Inventor score
Top patents by PatentIndex Score
22 records- 0192US6207808B1Catalytic method for the preparation of lignin phenol surfactants in organic solventsTEXACO INC·Filed 2000·Granted Mar 27, 2001·45 cites·20 claims
- 0292US6100385ACatalytic method for the preparation of lignin phenol surfactants in organic solventsTEXACO INC·Filed 1998·Granted Aug 8, 2000·86 cites·18 claims
- 0388US4739040ASurfactants from ligninTEXACO INC·Filed 1986·Granted Apr 19, 1988·57 cites·42 claims
- 0477US4790382AAlkylated oxidized lignins as surfactantsTEXACO INC·Filed 1987·Granted Dec 13, 1988·33 cites·4 claims
- 0574US4739041AAlkylated oxidized lignins as surfactantsTEXACO INC·Filed 1986·Granted Apr 19, 1988·27 cites·9 claims
- 0672US4277352ADemulsification of emulsions produced from surfactant recovery operations and recovery of surfactants therefromTEXACO INC·Filed 1979·Granted Jul 7, 1981·22 cites·4 claims
- 0770US5100567AShear-thickening solutions with hydroxypropyl celluloseTEXACO INC·Filed 1990·Granted Mar 31, 1992·16 cites·22 claims
- 0868US5169559AMethod for forming a high viscosity gelTEXACO INC·Filed 1991·Granted Dec 8, 1992·21 cites·4 claims
- 0966US4787454ARecovering hydrocarbons with surfactants from ligninTEXACO INC·Filed 1987·Granted Nov 29, 1988·20 cites·4 claims
- 1065US4276933ASurfactant waterflood method for the recovery of oilTEXACO INC·Filed 1979·Granted Jul 7, 1981·25 cites·10 claims
- 1163US4548721AMethod of enhanced oil recovery and compositions useful thereinGETTY OIL CO·Filed 1984·Granted Oct 22, 1985·20 cites·26 claims
- 1261US4299284AHigh sweep efficiency enhanced oil recovery processTEXACO INC·Filed 1979·Granted Nov 10, 1981·23 cites·25 claims
- 1360US5076361AGel method for decreasing permeability around a wellboreTEXACO INC·Filed 1990·Granted Dec 31, 1991·16 cites·22 claims
- 1460US4159037AHigh conformance oil recovery processTEXACO INC·Filed 1978·Granted Jun 26, 1979·16 cites·27 claims
- 1558US4319636ASurfactant waterflood oil recovery processTEXACO INC·Filed 1980·Granted Mar 16, 1982·18 cites·13 claims
- 1656US4193900AFire carcass resilient rubber compositionsASHLAND OIL INC·Filed 1978·Granted Mar 18, 1980·11 cites·5 claims
- 1753US5114599AUse of lignin/amine/surfactant blends in enhanced oil recoveryTEXACO PRODUCING INC·Filed 1990·Granted May 19, 1992·20 cites·10 claims
- 1849US4721161AMethod for decreasing permeability around a wellboreTEXACO INC·Filed 1986·Granted Jan 26, 1988·10 cites·24 claims
- 1948US4822501AUse of lignin/amine/surfactant blends in enhanced oil recoveryDEBONS FRANCIS E·Filed 1987·Granted Apr 18, 1989·15 cites·15 claims
- 2037US4161218AHigh conformance enhanced oil recovery processTEXACO INC·Filed 1977·Granted Jul 17, 1979·8 cites·18 claims
- 2134US4161982AHigh conformance enhanced oil recovery processTEXACO INC·Filed 1977·Granted Jul 24, 1979·6 cites·25 claims
- 2226US4281714ALithium salts as additives in petroleum recovery processesTEXACO INC·Filed 1979·Granted Aug 4, 1981·1 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →