Optical filter comprising transparent support and filter layer containing dye and binder polymer
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Oct 23, 2001
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N/A
app pub date -
May 31, 2000
filing date -
May 31, 1999
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Abstract
An optical filter comprises a transparent support and a filter layer. The filter layer contains a dye and a binder polymer. The dye is a methine dye in an aggregated form. The transparent support, the filter layer or an optional layer further contains a specific ultraviolet absorbing agent represented by the formula (I), (II), or (III). ##STR1##
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