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Patent Searching and Data


Title:
LENS
Document Type and Number:
Japanese Patent JP2021043231
Kind Code:
A
Abstract:
To provide a resin lens which is superior in terms of stain resistance, transparency, color stability, capability block UV light of a specific wavelength, suppressed UV-induced yellowing, capability to block 420 nm blue light, reduced effect of the blue light on the eyes, and a high total light transmittance.SOLUTION: A lens is provided, containing 100 pts.wt. of a resin, and 0.001-0.1 pts.wt. of an indole-based compound having an unsaturated double bond with a specific substituent.SELECTED DRAWING: None

Inventors:
TOTANI YOSHIYUKI
Application Number:
JP2018076022A
Publication Date:
March 18, 2021
Filing Date:
April 11, 2018
Export Citation:
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Assignee:
MITSUI CHEMICALS INC
International Classes:
G02C7/00; C08K5/3417; C08L101/00; G02B1/04
Attorney, Agent or Firm:
Shinji Hayami