C - Chemistry – Metallurgy – 23 – C
Patent
C - Chemistry, Metallurgy
23
C
C23C 22/06 (2006.01)
Patent
CA 2087352
-35- ABSTRACT OF THE DISCLOSURE Methods of forming a conversion coating on metal surfaces such as galvanized steel are provided. The methods comprise reacting the metal surface with an aqueous solution of a water soluble polyacrylic acid or homopolymer thereof, maleic or acrylic acid/allyl ether copolymer alone or with an acid.
Chen Fu
Reichgott David W.
Betzdearborn Inc.
Borden Ladner Gervais Llp
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