Title:
PLASTIC SUBSTRATE AND PLASTIC LENS
Document Type and Number:
WIPO Patent Application WO/2019/054502
Kind Code:
A1
Abstract:
The present invention provides a plastic substrate that has exceptional luminous transmittance and exceptional blue-blocking properties. This plastic substrate includes a compound represented by formula (1). In the formula, R1 and R3 independently represent a hydrogen atom or an alkoxy group, and R2 represents a hydrogen atom, an alkyl group, or an alkoxy group. However, at least one of R1 and R3 is an alkoxy group.
Inventors:
WAKIYASU HIDEYUKI (JP)
Application Number:
PCT/JP2018/034251
Publication Date:
March 21, 2019
Filing Date:
September 14, 2018
Export Citation:
Assignee:
NIKON ESSILOR CO LTD (JP)
International Classes:
G02C7/00; G02B5/22; G02C7/10
Domestic Patent References:
WO2015046540A1 | 2015-04-02 |
Foreign References:
JP2001164110A | 2001-06-19 | |||
JPH05173307A | 1993-07-13 |
Attorney, Agent or Firm:
WATANABE Mochitoshi et al. (JP)
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