Curable resin composition
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United States of America Patent
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-
Jun 3, 2003
Grant Date -
Dec 20, 2001
app pub date -
Apr 11, 2001
filing date -
Apr 13, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A curable resin composition containing (A) an aromatic diallyl compound, (B) an acid derivative or an aliphatic group-containing compound having at least 4 (meth)acryl groups in one molecule, (C) divinylbenzene, and (D) a polythiol compound having at least two mercapto groups in one molecule provides an optical material having a desirable refractive index, Abbe number and transparency, and excellent heat resistance.
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