Highly anti-corrosive metal pigments

Details Highly anti-corrosive metal pigments Highly anti-corrosive metal pigments

2002-07-01

2008-09-02

Koslow, C. Melissa (Department: 1793)

Compositions: coating or plastic

Materials or ingredients

Pigment, filler, or aggregate compositions, e.g., stone,...

C106S404000, C106S415000, C106S416000, C106S014210

Reexamination Certificate

active

07419538

ABSTRACT:
Highly anti-corrosive thin-platelet like metal pigments having high corrosion resistance and good dispersibility characterized in that the inherent metallic luster of the thin-platelet like metal substrates is maintained without demanding the original surface smoothness are provided. The highly anti-corrosive thin-platelet like metal pigments comprising, on the surface of thin-platelet like metal substrates treated with phosphoric acid compounds and/or boric acid compounds, one or more coated layers containing one or more hydrated metal oxides of one or more metals selected from the group consisting of silicon, aluminum, zirconium, titanium and tin.

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