Goniochromatic luster pigments with silicon-containing coating
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United States of America Patent
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Jun 9, 1998
Grant Date -
N/A
app pub date -
Oct 9, 1996
filing date -
Oct 14, 1995
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Goniochromatic luster pigments based on multiply coated platelet-shaped metallic substrates comprising at least one layer packet of A) a layer consisting essentially of silicon oxide, silicon oxide hydrate, aluminum oxide and/or aluminum oxide hydrate, and B) a nonselectively absorbing, silicon-containing layer which is at least partially transparent to visible light, and also, if desired, additionally C) an outer layer which consists essentially of colorless or selectively absorbing metal oxide, are useful for coloring paints, inks, including printing inks, plastics, glasses, ceramic products and decorative cosmetic preparations.
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