Holographic flake pigment
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United States of America Patent
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-
Mar 19, 1996
Issued Date -
N/A
app pub date -
Dec 29, 1994
filing date -
Nov 8, 1993
priority date (Note) -
In Force
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Importance
Abstract
Holographic flake pigments, processes for making the pigments, decorative coatings comprising the pigments, and articles comprising the decorative coatings are disclosed. The pigment comprises particles that (1) comprise an organic polymer and further comprise one or more volume phase holograms; and (2) have a thickness of about 1 micrometer to about 100 micrometers, an average diameter of about 10 micrometers to about 300 micrometers, and a thickness to diameter ratio of about 1:2 to about 1:60.
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