Phosphorescent material and process of manufacture
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United States of America Patent
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Sep 22, 1987
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N/A
app pub date -
Sep 18, 1986
filing date -
Oct 11, 1985
priority date (Note) -
Expired
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Abstract
Phosphorescent material including, in addition to a support layer of substantially opaque material, a body of substantially iridescent material providing an iridescent decorative effect in visible light and a body of phosphorescent material intermediate the support layer and transparent iridescent material and which phosphorescent material provides after-glow in darkness; and processes for making the same.
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