| abstract |
Use of salts of compounds of the formula (1) with amines of the formula (2) wherein R 1 is C 8 - to C 30 -alkyl or C 8 - to C 30 -alkenyl R 2 is hydrogen, C 1 - to C 6 -alkyl or a heteroatom-containing organic radical having 1 to 8 carbon atoms, and R 3, R 4 form, with the inclusion of the nitrogen atom, a cycle having 5 to 7 ring atoms, this cycle optionally containing, in addition to carbon atoms, an oxygen atom or a nitrogen atom or both, mean, as water-soluble or water-dispersible corrosion inhibitors. |