Ammonium salt of an alkenylsuccinic half-amide and the use...

C - Chemistry – Metallurgy – 07 – D

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C07D 295/15 (2006.01) C07C 235/74 (2006.01) C07D 295/13 (2006.01) C09K 8/54 (2006.01) C23F 11/14 (2006.01)

Patent

CA 2060580

An ammonium salt of an alkenylsuccinic half-amide of formula (I) below Image in which R1 denotes H or a C6-C18-alkenyl radical, provided that the radicals R1 are not both H or both C6-C18-alkenyl, X denotes a group of the formula -NHR2 or -NR2R3, in which R2 and R3 denote C1-C6-alkyl, cycloalkyl or a heterocyclic ring attached to the nitrogen atom via an alkylene chain, and A denotes XH or a different primary, secondary, or tertiary amine, for example an alkanolamine or a polyamine, and the use thereof as a corrosion inhibitor in oil and/or gas production technology.

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