Subphthalocyanine derivative having phosphorus derivative as axially substituted group, method for manufacturing the same and optical film using the same
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United States of America Patent
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Jan 31, 2012
Grant Date -
Feb 11, 2010
app pub date -
Aug 10, 2009
filing date -
Aug 8, 2008
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Abstract
A novel subphthalocyanine derivative having a phosphorus derivative-substituted group as an axially substituted group which has an excellent solubility, a method for producing the same and an optical film containing the same, are provided without impairing excellent properties peculiar to the original subphthalocyanines. The novel subphthalocyanine derivative is represented by the following chemical formula (1), and it is applicable for optical films.
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