Title:
色素化合物、光学フィルタ及び眼鏡レンズ用色素組成物
Document Type and Number:
Japanese Patent JP7122711
Kind Code:
B2
Abstract:
To provide a compound that has an absorption maximum wavelength at 490 to 500 nm and a narrow half value width.SOLUTION: Provided is a compound represented by the following general formula (1) (in the general formula (1), Rrepresents a fluorinated alkyl group which may have a substituent, Rrepresents a linear, branched or cyclic alkyl group which may have a substituent, and Rand Rare the same or different and each represents a linear, branched or cyclic alkyl group which may have a substituent or an aryl group which may have a substituent).SELECTED DRAWING: None
Inventors:
Yo Aoki
Satoshi Hayashi
Satoshi Hayashi
Application Number:
JP2018164550A
Publication Date:
August 22, 2022
Filing Date:
September 03, 2018
Export Citation:
Assignee:
Yamada Chemical Co., Ltd.
International Classes:
C09B23/04; G02B5/22; G02C7/10
Domestic Patent References:
| JP2010262058A | ||||
| JP11349833A | ||||
| JP2013144795A |
Foreign References:
| WO2013047757A1 | ||||
| WO2017169370A1 |
Attorney, Agent or Firm:
Patent Attorney Firm WisePlus
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