Pearlescent Pigment, Process for Producing the Same, Coating Composition and Multilayered Coat
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United States of America Patent
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Issued Date -
Oct 15, 2009
app pub date -
Oct 2, 2006
filing date -
Oct 3, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
This invention relates to a pearlescent pigment, which is composed of flaky alumina substrate particles produced by a hydrothermal process and coat layers formed on the flaky substrate particles and composed of at least one metal oxide including at least a titanium oxide. The metal oxide has an average particle size of from 1 to 500 nm. According to this invention, it is possible to provide a pearlescent pigment, which has wholly uniform photoluminescence and an elegant and silky feel in combination and can fully satisfy artistry as desired.
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