Inventor
O'FARRELL CHARLES P
US14 patents
Patents
14 patentsUS4447338AMay 8, 1984
Drilling mud viscosification agents based on sulfonated ionomers
EXXON RESEARCH ENGINEERING CO76 citations96
US4007149AFeb 8, 1977
Process for preparing latices of sulfonated elastomers
EXXON RESEARCH ENGINEERING CO60 citations93
US4303766ADec 1, 1981
Process for sulfonating polymers
EXXON RESEARCH ENGINEERING CO11 citations73
US4134870AJan 16, 1979
Elastomeric blend compositions of a sulfonated elastomeric polymer
EXXON RESEARCH ENGINEERING CO8 citations73
US4131586ADec 26, 1978
Polymeric hydroxyalkyl sulfonates
EXXON RESEARCH ENGINEERING CO8 citations73
US4118353AOct 3, 1978
Elastomeric compositions
EXXON RESEARCH ENGINEERING CO10 citations73
US4105647AAug 8, 1978
Process for sulfonating polymers
EXXON RESEARCH ENGINEERING CO15 citations73
US3983062ASep 28, 1976
Latex from conjugated diene butyl rubber
EXXON RESEARCH ENGINEERING CO13 citations73
US4077933AMar 7, 1978
Process for preparing a sulfonated and passivated low unsaturation elastomer cement
EXXON RESEARCH ENGINEERING CO5 citations71
US4119616AOct 10, 1978
Process for sulfonating unsaturated elastomers using acyl sulfates
EXXON RESEARCH ENGINEERING CO16 citations66
US4179422ADec 18, 1979
Elastomeric blend compositions of a sulfonated elastomer polymer and a crystalline polyolefinic thermoplastic resin
EXXON RESEARCH ENGINEERING CO4 citations62
US4118360AOct 3, 1978
Oil extended elastomeric compositions
EXXON RESEARCH ENGINEERING CO3 citations62
US4072648AFeb 7, 1978
High tensile strength elastomeric adhesive cements and laminates therefrom
EXXON RESEARCH ENGINEERING CO6 citations59
US4117186ASep 26, 1978
Butyl/resin blend latex used to coat polypropylene fabrics
EXXON RESEARCH ENGINEERING CO5 citations58