Photoluminescence polymers, their preparation and uses thereof
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United States of America Patent
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Sep 26, 2000
Grant Date -
N/A
app pub date -
Jan 11, 1999
filing date -
Jan 11, 1999
priority date (Note) -
Expired
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Abstract
Photoluminescence polymers, processes for preparing these novel photoluminescence polymers and methods for their use are provided. The photoluminescence polymers having one or more photoluminescence pigments dispersed in an aqueous solution of polyvinyl alcohol in the ratios from about 2:1 to 1:5 by weight. These novel photoluminescence polymers are moldable, non-toxic, non-radioactive, environmentally safe and have been found to be potent photoluminescence polymers that provide a bright after glow for extended periods of time up to 10 hours or more.
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