Polyphosphate/azole compositions and the use thereof as...

Details Polyphosphate/azole compositions and the use thereof as... Polyphosphate/azole compositions and the use thereof as...

C - Chemistry, Metallurgy

23

F

C23F 11/14 (2006.01) C23F 11/08 (2006.01) C23F 11/10 (2006.01) C23F 11/167 (2006.01) C23F 11/18 (2006.01)

Patent

CA 2053157

C-1508 TITLE OF THE INVENTION "NOVEL POLYPHOSPHATE/AZOLE COMPOSITIONS AND THE USE THEREOF AS COPPER AND COPPER ALLOY CORROSION INHIBITORS" ABSTRACT OF THE INVENTION A polyphosphate in combination with an azole such as an alkyl or alkoxy benzotriazole, mercaptobenzothiazole, tolyltriazole, benzotriazole, a substituted benzotriazole and/or 1-phenyl-5-mercaptotetrazole, is used to inhibit the corrosion of metallic surfaces, particularly copper surfaces, in contact with an aqueous system. Systems and composition are also claimed.

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