| 摘要 |
The invention relates to the use of salts of compounds of the formula (1) having amines of the formula (2), wherein R1 represents C8- to C30-Alkyl or C8- to C30-Alkenyl, R2 represents hydrogen, C1- to C6-Alkyl or an organic radical having 1 to 8 carbon atoms and comprising hetero atoms, and R3, R4 forming a cycle having 5 to 7 ring atoms, wherein said cycle can optionally comprise, in addition to carbon atoms, an oxygen atom or a nitrogen atom or both, as water-soluble or water-dispersible corrosion inhibitors.
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