Composition for use as optical material

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United States of America Patent

PATENT NO 11186673
APP PUB NO 20200223975A1
SERIAL NO

16492868

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Abstract

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The purpose of the present invention is to appropriately control the rate of polymerization of a composition in which a thiol compound and an isocyanate compound are added to an episulfide compound and thereby provide an optical material which has high transparency. This composition for use as optical material comprises (a) an episulfide compound, (b) an isocyanate compound, (c) a thiol compound, and (d) a benzyl halide compound represented by formula (1):

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Patent Owner(s)

Patent OwnerAddress
MITSUBISHI GAS CHEMICAL COMPANY INC5-2 MARUNOUCHI 2-CHOME CHIYODA-KU TOKYO 1008324

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Aoki, Takashi Mie, JP 463 4880
Furukawa, Kikuo Osaka, JP 18 49
Kariyazono, Kazuki Osaka, JP 4 4
Takemura, Kouhei Tokyo, JP 48 254

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