Multiply coated metallic luster pigments
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United States of America Patent
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Apr 29, 1997
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N/A
app pub date -
Aug 30, 1994
filing date -
Feb 21, 1994
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Abstract
Luster pigments based on multiply coated plateletlike metallic substrates comprising A) a first layer consisting essentially of silicon oxide, aluminum oxide and/or aluminum oxide hydrate, B) a second layer consisting essentially of metal and/or nonselectively absorbing metal oxide, and C) if desired, a third layer consisting essentially of colorless or selectively absorbing metal oxide.
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