C - Chemistry – Metallurgy – 23 – C
Patent
C - Chemistry, Metallurgy
23
C
C23C 22/56 (2006.01) C23C 22/34 (2006.01)
Patent
CA 2116788
18 ABSTRACT A method of providing color to a dried-in-place, non-chromate conversion coating is provided. The addition of a phthalo green pigment and optionally a nonionic surfactant to an aqueous, dried-in-place conversion coating treatment solution provides for a colored conversion coating without adversely affecting the corrosion resistance or adhesion properties of the conversion coating.
Deck Philip D.
Haberle Bruce V.
Harpel William L.
Ouyang Jiangbo
Betz Laboratories Inc.
Borden Ladner Gervais Llp
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