Patent ID: 8940227
Filing Date: 2015-01-27
Classification: C08G,C09D,C09K,C10G,C10L,C10M,C10N,C23F

Abstract:
1. A method for inhibiting corrosion of a metal surface, the method comprising contacting the metal surface with a corrosion-inhibiting product obtainable by the reaction of a fatty acid, or mixture of acids, having the formula R 1 COOH (I), wherein R 1 CO is an acyl group having 8 to 24 carbon atoms, that may be saturated or unsaturated, linear or branched; and a dicarboxylic acid or a derivative thereof having the formula (IIa) or (IIb) wherein D is —OH, —Cl, or —OR with an alkanolamine having the formula (III) wherein each x independently is a number between 1 and 5, and Σx on molar average is a number between 2 and 10, AO is an alkyleneoxy group having 2-4 carbon atoms, R