| 摘要 |
PCT No. PCT/GB95/02912 Sec. 371 Date Aug. 28, 1997 Sec. 102(e) Date Aug. 28, 1997 PCT Filed Dec. 13, 1995 PCT Pub. No. WO96/20295 PCT Pub. Date Jul. 4, 1996A process for the corrosion protection of copper or copper alloy which process comprises contacting the surface with an aqueous solution of at least one compound of general formula (I), wherein X is N, Y is CR and Z is N, or X is N, Y is N and Z is N or CR or X is CR, Y is N and Z is N, where R is a hydrogen atom or R1, and R1 is an alkyl, aryl, aralkyl, halogen, trihalomethyl, amino, heterocyclic, NHR2, NR3R4, CN, CO2H, CO2R5, OH or OR6 group, where each of R2 to R6 independently represents an alkyl, aryl, or aralkyl group.
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