Title:
COMPOUND
Document Type and Number:
Japanese Patent JP2023013166
Kind Code:
A
Abstract:
To provide a novel compound that efficiently absorbs light in the visible region and has favorable weather resistance.SOLUTION: The compound has cations comprising a partial structure represented by formula (I) in the figure. [In formula (I), a ring W1 and a ring W2 each independently represent a ring structure having at least one double bond as a constituent of the ring, where the ring W1 and ring W2 each independently may have a substituent; and R1 and R2 each independently represent a hydrogen atom or a monovalent substituent, where at least one of R1 and R2 is a monovalent substituent.]SELECTED DRAWING: None
Inventors:
ASAZU YUJI
NISHIGAMI YUKI
KUMON KOJI
NISHIGAMI YUKI
KUMON KOJI
Application Number:
JP2021117147A
Publication Date:
January 26, 2023
Filing Date:
July 15, 2021
Export Citation:
Assignee:
DONGWOO FINE CHEM CO LTD
International Classes:
C09B23/08; C07D209/14; C08F2/44; C08K5/16; C08L101/00; C09B67/20; C09K3/00
Attorney, Agent or Firm:
Patent Attorney Fukami Patent Office