Title:
被覆層を有するプラスチックレンズの製造方法
Document Type and Number:
Japanese Patent JP7246373
Kind Code:
B2
Abstract:
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.
Inventors:
Junji Takenaka
Junji Momota
Yoshihiro Asahara
Takashi Tamukai
Junji Momota
Yoshihiro Asahara
Takashi Tamukai
Application Number:
JP2020507817A
Publication Date:
March 27, 2023
Filing Date:
March 19, 2019
Export Citation:
Assignee:
Tokuyama Corporation
International Classes:
G02B5/23; G02C7/00; G02C7/10
Domestic Patent References:
| JP2013524296A | ||||
| JP2009237003A | ||||
| JP2017527671A | ||||
| JP2013205768A | ||||
| JP8319481A |
Foreign References:
| WO2016013547A1 | ||||
| WO2003099550A1 | ||||
| WO2017038566A1 | ||||
| WO2006135390A1 |
Attorney, Agent or Firm:
Atago Patent Attorneys Office
Naozumi Ono
Masataka Oshima
Okunuki Sachiko
Tsuyoshi Tsukano
Naozumi Ono
Masataka Oshima
Okunuki Sachiko
Tsuyoshi Tsukano