Title:
紫外線吸収剤、紫外線吸収組成物、紫外線吸収膜、積層体及び新規化合物
Document Type and Number:
Japanese Patent JP7279162
Kind Code:
B2
Abstract:
Provided are an ultraviolet absorbing agent represented by General Formula (1) and an application thereof. In General Formula (1), R11 represents a monovalent substituent. n is 1 or 2. W1 and W2 each independently represent a hydrogen atom, a cyano group, a carbamoyl group, a sulfamoyl group, a nitro group, an acyl group, an alkylsulfonyl group, an arylsulfonyl group, an alkylsulfinyl group, an arylsulfinyl group, an alkoxycarbonyl group, an aryloxycarbonyl group, an alkyl group, an aryl group, or a heterocyclic group, where at least one of W1 or W2 represents a substituent having a Hammett's substituent constant σp value of 0.2 or more. W1 and W2 may be bonded to each other to form a ring.
Inventors:
Takashi Kato
Application Number:
JP2021527542A
Publication Date:
May 22, 2023
Filing Date:
June 01, 2020
Export Citation:
Assignee:
Fujifilm Corporation
International Classes:
C09K3/00; B32B27/18; C07D339/06; C07D409/02
Domestic Patent References:
| JP60170842A | ||||
| JP2009263617A | ||||
| JP49011155B1 | ||||
| JP2016124817A | ||||
| JP2017088591A |
Foreign References:
| WO2018173979A1 | ||||
| WO2019065043A1 | ||||
| WO2019117082A1 |
Attorney, Agent or Firm:
Patent Attorney Corporation Taiyo International Patent Office