Title:
DIPYRROMETHENE BORON COMPLEX COMPOUND, AND COLORING COMPOSITION AND OPTICAL FILTER WHICH CONTAIN THAT COMPOUND
Document Type and Number:
Japanese Patent JP2023051753
Kind Code:
A
Abstract:
To provide a dipyrromethene boron complex compound which selectively absorbs light in the wavelength range of 480-530 nm, inhibits fluorescence, and has excellent light fastness; and a coloring composition and an optical filter which contain the compound.SOLUTION: The dipyrromethene boron complex compound is represented by the general formula (1) in the figure.SELECTED DRAWING: None
Inventors:
OKUMA HIROSHI
Application Number:
JP2022127013A
Publication Date:
April 11, 2023
Filing Date:
August 09, 2022
Export Citation:
Assignee:
HODOGAYA CHEMICAL CO LTD
International Classes:
C07F5/02; C09B57/00; C09B67/20; G02B5/20; G02B5/22
Attorney, Agent or Firm:
Patent Attorney Corporation Tsukuni