Composition and method for corrosion inhibition

C - Chemistry – Metallurgy – 23 – F

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C23F 11/173 (2006.01) C08G 59/66 (2006.01) C08G 75/04 (2006.01) C09K 8/54 (2006.01) C23F 11/16 (2006.01)

Patent

CA 1258964

Abstract of the Disclosure A corrosion-inhibiting composition and method of inhibiting corrosion on metal surfaces are described. The composition comprises a reaction product of (a) a first constituent selected from an epoxide having an average of at least about one vicinal epoxide per molecule and a halogenated aliphatic compound having at least one displaceable halogen and (b) a second constituent comprising a dimercaptan. The reaction product in a hydrocarbon diluent is an effective corrosion inhibitor when applied to metal surfaces in highly corrosive environments, and is designed particularly for downhole metal surfaces of oil drilling equipment.

491227

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