Amine derivatives as corrosion inhibitors

Details Amine derivatives as corrosion inhibitors Amine derivatives as corrosion inhibitors

C - Chemistry, Metallurgy

07

D

C07D 233/18 (2006.01) C07C 233/47 (2006.01) C07D 239/06 (2006.01) C07D 243/04 (2006.01) C07D 245/02 (2006.01) C23F 11/14 (2006.01)

Patent

CA 2068179

Amine derivatives which are compounds of the formula (I): (see formula I) in which R is a C6-20 hydrocarbon: Y is -CO-NH- and n is an integer of 1 to 6; (see formula II) in which X is an alkylene group of 2 to 6 carbon atoms and n is an integer of 0 to 6: each R1 is independently H, -(CH2)1-4COOH, a C6-20 hydrocarbon or C6-20 hydrocarbon-carbonyl; R2 is H, (CH2)1-4COOH or C6-20 hydrocarbon- carbonyl; the compound containing at least one (CH2)1-4COOH group; or a salt thereof are useful in inhibiting corrosion of metals in oil- and gas-field applications, and also show low toxicity to marine organisms.

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