Inventor
KARLL ROBERT E
9 patents
⚠️ This page may combine multiple inventors who share the name “KARLL ROBERT E”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
STANDARD OIL CO
5 patentsUS4122020AOct 24, 1978
Oil recovery and mobility control using succinate surfactant systems
STANDARD OIL CO10 citations72
US4120800AOct 17, 1978
Oil recovery and mobility control using succinamate surfactant systems
STANDARD OIL CO10 citations72
US3950401AApr 13, 1976
Olefin sulfonates
STANDARD OIL CO11 citations72
US3954849AMay 4, 1976
Preparation of alkenyl sulfonates
STANDARD OIL CO9 citations71
US4070402AJan 24, 1978
Terpolymer alkylated phenol
STANDARD OIL CO9 citations69
STANDARD OIL CO INDIANA
4 patentsUS3985802AOct 12, 1976
Lubricating oils containing high molecular weight Mannich condensation products
STANDARD OIL CO INDIANA54 citations93
US4253974AMar 3, 1981
Oil recovery and mobility control in surfactant systems using the reaction product of an alkenyl succinic anhydride and a tertiary amine
STANDARD OIL CO INDIANA24 citations81
US4142980AMar 6, 1979
Mannich reaction products made with alkyphenol substituted aliphatic unsaturated carboxylic acids
STANDARD OIL CO INDIANA26 citations81
US4384138AMay 17, 1983
Process and compositions
STANDARD OIL CO INDIANA10 citations73