Patent ID: 11898093
Assignee: BAKER HUGHES OILFIELD OPERATIONS LLC
Field: Basic materials chemistry (Chemistry)
Classification: CPC C  E | IPC C  E

Claim 4:
5. The composition of claim 1, wherein the internal olefin sulfonate surfactant comprises a surfactant according to Formula I, where R5 is a C1-C20 alkyl, a C1-C20 cyclo-alkyl, or a C1-C20 aryl-alkyl
where R6 is a C1-C20 alkyl, a C1-C20 cyclo-alkyl, or a C1-C20 aryl-alkyl
where R7 is a C1-C20 alkyl, a C1-C20 cyclo-alkyl, or a C1-C20 aryl-alkyl where X+ is a cation of hydrogen, lithium, sodium, or potassium.