Polycarbonate resin having ultraviolet absorbing capability, resin composition and optical material
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United States of America Patent
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May 7, 2013
Grant Date -
May 12, 2011
app pub date -
Apr 23, 2009
filing date -
Apr 28, 2008
priority date (Note) -
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Abstract
A polycarbonate resin having at least one terminal group which is represented by formula (1), and a resin composition and an optical material comprising the polycarbonate resin are disclosed. In the formula, R1-R9 each independently represent a hydrogen atom, halogen atom or an alkyl group. X1 represents a direct bond or alkylene group.
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