Inventor · disambiguated record
Robert E. Karll
Also filed as: KARLL ROBERT E
9 granted patents·163 citations·filing 1974–1978
89Inventor score
Top patents by PatentIndex Score
9 records- 0192US3985802ALubricating oils containing high molecular weight Mannich condensation productsSTANDARD OIL CO INDIANA·Filed 1974·Granted Oct 12, 1976·54 cites·3 claims
- 0281US4142980AMannich reaction products made with alkyphenol substituted aliphatic unsaturated carboxylic acidsSTANDARD OIL CO INDIANA·Filed 1977·Granted Mar 6, 1979·26 cites·28 claims
- 0375US3950401AOlefin sulfonatesSTANDARD OIL CO·Filed 1974·Granted Apr 13, 1976·11 cites·5 claims
- 0474US4253974AOil recovery and mobility control in surfactant systems using the reaction product of an alkenyl succinic anhydride and a tertiary amineSTANDARD OIL CO INDIANA·Filed 1978·Granted Mar 3, 1981·24 cites·6 claims
- 0557US4384138AProcess and compositionsSTANDARD OIL CO INDIANA·Filed 1978·Granted May 17, 1983·10 cites·2 claims
- 0657US3954849APreparation of alkenyl sulfonatesSTANDARD OIL CO·Filed 1974·Granted May 4, 1976·9 cites·4 claims
- 0754US4070402ATerpolymer alkylated phenolSTANDARD OIL CO·Filed 1976·Granted Jan 24, 1978·9 cites·9 claims
- 0849US4122020AOil recovery and mobility control using succinate surfactant systemsSTANDARD OIL CO·Filed 1977·Granted Oct 24, 1978·10 cites·27 claims
- 0949US4120800AOil recovery and mobility control using succinamate surfactant systemsSTANDARD OIL CO·Filed 1977·Granted Oct 17, 1978·10 cites·27 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →