Polycarbonate resin and optical lens

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 10605956
APP PUB NO 20190033489A1
SERIAL NO

16030223

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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)

Patent OwnerAddress
MITSUBISHI GAS CHEMICAL COMPANY INCCHIYODA-KU

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hirakawa, Manabu Tokyo, JP 38 222
Kato, Noriyuki Tokyo, JP 46 116
Kitamura, Mitsuharu Niigata, JP 43 83
Motoi, Takashi Okayama, JP 12 17

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