Title:
スクアリリウム化合物、および該化合物を含有して成る近赤外線吸収材料
Document Type and Number:
Japanese Patent JP7315442
Kind Code:
B2
Abstract:
To provide a squarylium compound with a substituent of a specific structure, and a filter and an image-forming material that contain the compound and are excellent in optical properties and weather resistance.SOLUTION: The squarylium compound is represented by the general formula (1).SELECTED DRAWING: None
Inventors:
Masakatsu Nakatsuka
Application Number:
JP2019217330A
Publication Date:
July 26, 2023
Filing Date:
November 29, 2019
Export Citation:
Assignee:
Yamamoto Kasei Co., Ltd.
International Classes:
C09B57/00; G02B5/22
Domestic Patent References:
| JP2018193516A | ||||
| JP2017198816A | ||||
| JP2000162431A | ||||
| JP2009209297A | ||||
| JP2007536415A |
Attorney, Agent or Firm:
Hiroshi Morioka