Prevention of copper plating during chemical cleaning operations

Compositions – Fluent dielectric – N-containing

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134 3, 422 11, 422 12, 422 16, 252180, C11D 170, C23F 1114, C23F 1116, C23G 102

Patent

active

044656203

ABSTRACT:
There is provided a composition which inhibits corrosion and copper plate-out during chemical cleaning of a steam or water carrying system. The composition comprises an .alpha.-aminoalkylsulfide and a surface active agent.

REFERENCES:
patent: 2889276 (1959-06-01), Barrett et al.
patent: 3506576 (1970-04-01), Teumac
patent: 3853618 (1974-12-01), Smith
patent: 4281118 (1981-07-01), Dunbar et al.
Chemical Abst., vol. 92, No. 170103c (1980).

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