Method of producing a plastic lens having a coating layer

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12222587
APP PUB NO 20210003867A1
SERIAL NO

16982725

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A method of producing a plastic lens having a cured coating layer, comprising the steps of:

    forming an uncured coating layer from a photocurable coating composition comprising at least a) a photochromic compound, b) a radically polymerizable monomer and c) a photopolymerization initiator on one surface of a plastic lens; andirradiating the plastic lens having the uncured coating layer with light from an LED having an emission peak wavelength of 350 nm or more to less than 450 nm from above the outer surface of the uncured coating layer to cure the uncured coating layer.

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Patent Owner(s)

  • TOKUYAMA CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Asahara, Yoshihiro Shunan, JP 5 7
Momoda, Junji Shunan, JP 93 591
Takenaka, Junji Shunan, JP 41 114
Tamukai, Takashi Shunan, JP 5 7

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