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United States of America Patent
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Issued Date -
Apr 25, 2013
app pub date -
Apr 19, 2011
filing date -
Apr 21, 2010
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Abstract
A resin composition that can allow allowing a drying step after impregnation coating of a prepreg and lamination pressing performed at low temperatures in a short time and, at the same time, can maintain storage stability of the prepreg, comprises (A) an imidazole compound represented by formula (I), (B) an epoxy compound, and (C1) a cyanate compound or (C2) a BT resin. R1 and R2 represent an alkyl group, an alkenyl group an alkoxyl group, or a substituted or unsubstituted aromatic substituent; and R3 represents hydrogen, an alkyl group, an alkenyl group, an alkoxy group, a substituted or unsubstituted aromatic substituent, or a halogen group.
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