C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 211/40 (2006.01) C08F 22/40 (2006.01) C23F 11/173 (2006.01)
Patent
CA 2398423
A new class of polymeric corrosion inhibiting compositions incorporating pendant heterocyclic groups which are surprisingly effective copper corrosion inhibitors are disclosed. The polymers form a protective barrier on metallic components to aqueous systems and remain substantive on metallic surfaces over a wide pH range. Moreover, the polymers are resistant to oxidizing biocides, and are substantially impervious to repeated or prolonged exposure to corrosive agents.
Ghosh Tirthankar
Hann William M.
Weinstein Barry
Gowling Lafleur Henderson Llp
Rohm And Haas Company
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