Anticorrosive treating concentrate

Details Anticorrosive treating concentrate Anticorrosive treating concentrate

2007-03-06

2007-03-06

Toomer, Cephia D. (Department: 1714)

Compositions

Preservative agents

Anti-corrosion

C252S394000

Reexamination Certificate

active

09797587

ABSTRACT:
According to the present invention, there is provided an anticorrosive treating concentrate usable for an exposed surface of a metal (e.g. copper or a copper alloy), containing an anticorrosive agent and a precipitation inhibitor and having a pH of 4 to 12 when used in the form of an aqueous solution, in which concentrate the anticorrosive agent is a triazole type compound and/or a derivative thereof and is contained in a concentration of 0.05 to 20% by weight and the precipitation inhibitor is a compound having at least one nitrogen atom but no metal atom in the molecule.

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