Compositions: coating or plastic – Materials or ingredients – Pigment – filler – or aggregate compositions – e.g. – stone,...
Reexamination Certificate
2005-08-16
2005-08-16
Lorengo, J. A. (Department: 1755)
Compositions: coating or plastic
Materials or ingredients
Pigment, filler, or aggregate compositions, e.g., stone,...
C106S417000, C106S431000, C106S436000, C106S439000, C106S453000, C106S454000, C106S456000, C106S415000, C106S442000, C106S446000, C106S404000
Reexamination Certificate
active
06929690
ABSTRACT:
A pigment with a metallic luster, comprising a wafer-like substrate made of aluminium dioxide having a thickness of more than 250 nm and less than 1 μm, which is fully enveloped by a metal layer.
REFERENCES:
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patent: 6325847 (2001-12-01), Christie et al.
patent: 6440208 (2002-08-01), Christie et al.
patent: 2004/0237844 (2004-12-01), Pfaff et al.
patent: 1045014 (2000-10-01), None
patent: WO 9308237 (1993-04-01), None
patent: WO 93/08237 (1993-04-01), None
patent: WO 0140383 (2001-06-01), None
Andes Stephanie
Friz Martin
Nitta Katsuhisa
Pfaff Gerhard
Uhlig Michael
Lorengo J. A.
Manlove S. S.
Merck Patent GmbH
Millen White Zelano & Branigan P.C.
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