Colored zinc powder, its method of production and method for producing colored article
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United States of America Patent
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Mar 30, 1993
Issued Date -
N/A
app pub date -
Sep 25, 1991
filing date -
Apr 27, 1989
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Expired
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Abstract
Zinc powder, which contains a coloring element, e.g., Ti, Mn, or V, is heated to a temperature of from 350.degree. to 700.degree. C. so as to oxidize the surface of the powder and hence to develop such colors as brown, navy blue, blue, greenish-brown, green, and coffee brown. The colored zinc powder is sprayed onto a steel, aluminum, or ceramic article to produce a colored article. The colored zinc powder is also used as a pigment.
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