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Patent Searching and Data


Title:
EYEGLASS LENS
Document Type and Number:
WIPO Patent Application WO/2023/243675
Kind Code:
A1
Abstract:
The present invention provides an eyeglass lens having an excellent brightening effect. This eyeglass lens comprises a lens substrate, and a resin layer disposed on the lens substrate. The resin layer contains a compound represented by formula (A), and a resin. The resin contains a repeating unit 1 derived from silsesquioxane having a polymerizable group, and a repeating unit 2 derived from a monofunctional monomer. The mass ratio of the repeating unit 1 to the repeating unit 2 is 60/40 to 95/5. The transmittance of the eyeglass lens is 65% to 80% at a wavelength of 556 nm.

Inventors:
PROVIN CHRISTOPHE (JP)
Application Number:
PCT/JP2023/022175
Publication Date:
December 21, 2023
Filing Date:
June 15, 2023
Export Citation:
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Assignee:
NIKON ESSILOR CO LTD (JP)
International Classes:
G02C7/00; C08F2/00; C08F230/08; C08K5/18; C08L43/04; G02B1/04; G02B5/22
Domestic Patent References:
WO2017189700A12017-11-02
Foreign References:
CN111849248A2020-10-30
CN108929595A2018-12-04
JP2013524300A2013-06-17
JP2010204383A2010-09-16
Attorney, Agent or Firm:
ITOH Hideaki (JP)
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