Polycarbonate resin and optical lens

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United States of America Patent

PATENT NO 10048404
APP PUB NO 20170276837A1
SERIAL NO

15508741

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Abstract

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The present invention addresses the problem of providing a resin having a high Abbe number and a small difference in hygroscopic expansion coefficient with respect to a polycarbonate resin having a low Abbe number and a high refractive index. The above problem can be solved by a polycarbonate resin including structural units represented by general formula (1). In general formula (1), R represents H, CH3, or C2H5.

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Patent Owner(s)

  • MITSUBISHI GAS CHEMICAL COMPANY INC.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hirakawa, Manabu Tokyo, JP 56 305
Kato, Noriyuki Tokyo, JP 77 236
Kitamura, Mitsuharu Niigata, JP 47 164
Motoi, Takashi Okayama, JP 13 40

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