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Patent Searching and Data


Title:
SPECTACLE LENS
Document Type and Number:
WIPO Patent Application WO/2022/071497
Kind Code:
A1
Abstract:
An embodiment according to the present disclosure relates to a spectacle lens having a largest maximum absorption wavelength of 350-365 nm inclusive, and containing a compound having a molar extinction coefficient of 20,000 l/mol·cm or more.

Inventors:
KOUSAKA MASAHISA (JP)
Application Number:
PCT/JP2021/036169
Publication Date:
April 07, 2022
Filing Date:
September 30, 2021
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Assignee:
HOYA LENS THAILAND LTD (TH)
KOUSAKA MASAHISA (JP)
International Classes:
G02C7/02; C08G18/38; C08G18/72; C08G75/08; G02B5/22; G02C7/00
Domestic Patent References:
WO2018180632A12018-10-04
WO2020129930A12020-06-25
WO2020129933A12020-06-25
WO2002041042A12002-05-23
WO2020162592A12020-08-13
WO2018190281A12018-10-18
Foreign References:
JP2008169312A2008-07-24
JP2012181268A2012-09-20
JP2013238634A2013-11-28
US20190367463A12019-12-05
Attorney, Agent or Firm:
INABA, Yoshiyuki et al. (JP)
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