CPC C09K 8/54 (2013.01) [C23F 11/141 (2013.01); C09K 2208/32 (2013.01)] | 20 Claims |
1. A method which comprises inhibiting corrosion of a metal surface that is exposed to an aqueous brine by treating the surface with a film-forming composition comprising a quaternary surfactant, wherein the surfactant is made by reacting a polyalkylene glycol (PAG), a haloalkanoic acid, and a tertiary fatty amine, and wherein the surfactant comprises a PAG monoester quat and a PAG diester diquat.
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