| abstract |
The invention relates to the use of salts of compound of the formula (1) n nand amines of the formula (2),n n nwhere R1 means C 8 - to C 30 -Alkyl or C 8 - to C 30 -Alkenyl, R2 means hydrogen or a group of the formula -(A-O) x —H, R3, R4 mean hydrogen, C 1 - to C 4 -Alkyl or a group of the formula -(A-O) x —H, A means C 2 - to C 4 -Alkylene, and x means a number from 1 to 10, as water-soluble or water-dispersible corrosion inhibitors. |