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Patent Searching and Data


Title:
SPECTACLE LENS AND SPECTACLES
Document Type and Number:
WIPO Patent Application WO/2019/203031
Kind Code:
A1
Abstract:
A spectacle lens and spectacles, the spectacle lens containing: a resin having a refractive index of 1.65 or higher; and a UV absorber A in which, when the absorbance of the maximum absorption wavelength is 1.0, the absorbance ratio at 410 nm is 0.10 or less, the absorbance ratio at 400 nm is 0.1 or greater, and the ratio of the absorbance ratio at 400 nm to the absorbance ratio at 410 nm is 5.0 or greater.

Inventors:
KATOU,Takashi (200 Ohnakazato, Fujinomiya-sh, Shizuoka 66, 〒4188666, JP)
Application Number:
JP2019/015186
Publication Date:
October 24, 2019
Filing Date:
April 05, 2019
Export Citation:
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Assignee:
FUJIFILM CORPORATION (26-30, Nishiazabu 2-chome Minato-k, Tokyo 20, 〒1068620, JP)
International Classes:
G02C7/10; C08K5/3467; C08K5/353; C08K5/357; C08K5/45; C08L75/04; C09K3/00; G02B1/04; G02C7/00; G02C7/02
Domestic Patent References:
WO2006069811A22006-07-06
WO2017122503A12017-07-20
Foreign References:
JPH07310095A1995-11-28
JP2010083980A2010-04-15
JP2000147201A2000-05-26
Attorney, Agent or Firm:
TAIYO, NAKAJIMA & KATO (3-17, Shinjuku 4-chome Shinjuku-k, Tokyo 22, 〒1600022, JP)
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