PHOTOCHROMIC COMPOUND, PHOTOCHROMIC COMPOSITION, PHOTOCHROMIC ARTICLE AND EYEGLASSES

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United States of America Patent

APP PUB NO 20230416218A1
SERIAL NO

18207800

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Abstract

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Provided are a photochromic compound represented by General Formula 1, and the like. In General Formula 1, R100 to R111, and X1 and X2 each independently represent a hydrogen atom or a substituent, and two or more substituents may be bonded to form a ring structure.

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Patent Owner(s)

Patent OwnerAddress
HOYA LENS THAILAND LTDPATHUMTHANI 12130

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
KAWAKAMI, Hironori Tokyo, JP 47 118
KOBAYASHI, Kei Tokyo, JP 117 699
MATSUE, Aoi Tokyo, JP 12 0

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