C - Chemistry – Metallurgy – 23 – C
Patent
C - Chemistry, Metallurgy
23
C
C23C 22/56 (2006.01) C23C 22/34 (2006.01)
Patent
CA 2059962
-32- ABSTRACT OF THE DISCLOSURE Methods of forming a dried in place conversion coating on metal surfaces such as aluminum and aluminum alloys. The methods comprise contacting the metal with an aqueous solution of a water soluble maleic or acrylic acid/allyl ether copolymer alone or with an acid.
Chen Fu
Reichgott David W.
Betz Laboratories Inc.
Betzdearborn Inc.
Borden Ladner Gervais Llp
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