Corrosion inhibition

Details Corrosion inhibition Corrosion inhibition

C - Chemistry, Metallurgy

07

C

260/527, 31/64,

C07C 59/125 (2006.01) C07C 59/13 (2006.01) C07C 59/68 (2006.01) C07C 69/708 (2006.01) C07C 323/12 (2006.01) C10M 135/26 (2006.01) C10M 173/00 (2006.01) C23F 11/12 (2006.01) C23F 11/16 (2006.01)

Patent

CA 1339146

The present invention provides a composition in contact with a corrodable metal surface, comprising a functional fluid and, as corrosion inhibitor, a compound having theformula I: Image I as well as salts or esters thereof, wherein R1 is C4-C20 linear or branched alkyl, phenyl or C7-C20 alkylphenyl; R2 is C1-C12 linear or branched alkyl, phenyl or C7-C20 alkylphenyl, or arylalkyl containing 7-20 carbon atoms; X is CH2, O or S; Y is O or S; and Z is -(CH2)n- in which n is 1, 2, 3, 4 or 5, or Z is -CH2-CH(CH3)-. Some of the compounds of formula I are new.

606085

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