Title:
METHOD FOR MANUFACTURING SPECTACLE LENS, AND SPECTACLE LENS
Document Type and Number:
WIPO Patent Application WO/2018/062552
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing a method for manufacturing a spectacle lens and a spectacle lens having an excellent rate of blocking light at a wavelength of 420 nm as well as excellent appearance. [1] A method for manufacturing a spectacle lens, including a step for dipping a base material in an immersion liquid containing an indole-based UV absorber, and [2] a spectacle lens provided with a base material, the base material being impregnated with an indole-based UV absorber by a staining method.
Inventors:
OHNISHI TOMOFUMI (JP)
KOUSAKA MASAHISA (JP)
MIYAJIMA SHINYA (JP)
KOUSAKA MASAHISA (JP)
MIYAJIMA SHINYA (JP)
Application Number:
PCT/JP2017/035715
Publication Date:
April 05, 2018
Filing Date:
September 29, 2017
Export Citation:
Assignee:
HOYA LENS THAILAND LTD (TH)
OHNISHI TOMOFUMI (JP)
KOUSAKA MASAHISA (JP)
MIYAJIMA SHINYA (JP)
OHNISHI TOMOFUMI (JP)
KOUSAKA MASAHISA (JP)
MIYAJIMA SHINYA (JP)
International Classes:
G02C7/10; G02B5/22; C09K3/00
Domestic Patent References:
WO2004068215A1 | 2004-08-12 |
Foreign References:
JP2013054275A | 2013-03-21 | |||
JP2001159747A | 2001-06-12 | |||
JP2012058643A | 2012-03-22 | |||
JPH04134065A | 1992-05-07 | |||
JPH01230003A | 1989-09-13 |
Other References:
See also references of EP 3521909A4
Attorney, Agent or Firm:
OHTANI, Tamotsu et al. (JP)
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