Compositions: coating or plastic – Materials or ingredients – Pigment – filler – or aggregate compositions – e.g. – stone,...
Reexamination Certificate
2011-08-16
2011-08-16
Green, Anthony J (Department: 1731)
Compositions: coating or plastic
Materials or ingredients
Pigment, filler, or aggregate compositions, e.g., stone,...
C106S014050, C106S480000, C106S483000, C106S479000, C427S205000, C428S403000, C428S546000
Reexamination Certificate
active
07998266
ABSTRACT:
This invention provides a colored metallic pigment, which can develop a variety of colors and varied interference colors while maintaining good lightfastness, weatherfastness and hiding power, a process for producing the same, a coating composition containing the colored metallic pigment and capable of providing a coating film having excellent finished appearance, and a cosmetic preparation containing the colored metallic pigment, having excellent hiding power, and capable of providing sharp hue. The colored metallic pigment comprises at least a metallic pigment, an amorphous silicon oxide film layer provided on the surface of the metallic pigment, a metal layer provided on the surface of the amorphous silicon oxide film layer, and metallic particles provided on the surface of the metal layer. The metallic particles are provided so as to directly cover a part of the surface of the metal layer. In the colored metallic pigment, the metal layer preferably comprises at least one metal selected from Sn, Pd, Pt and Au. The metallic particle preferably comprises at least one metal selected from Cu, Ni and Ag.
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Hashizume Yoshiki
Minamiyama Hideaki
Morimitsu Taro
Nakamura Masakazu
Nakao Takayuki
Birch & Stewart Kolasch & Birch, LLP
Green Anthony J
Parvini Pegah
Toyo Aluminium Kabushiki Kaisha
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