The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 24, 2024
Filed:
Nov. 10, 2021
Fujifilm Corporation, Tokyo, JP;
Takashi Katou, Shizuoka, JP;
FUJIFILM CORPORATION, Tokyo, JP;
Abstract
Provided are an ultraviolet absorbing agent represented by General Formula (1) and an application thereof. In General Formula (1), Rrepresents a monovalent substituent. n is 1 or 2. Wand Weach 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 Wor Wrepresents a substituent having a Hammett's substituent constant σp value of 0.2 or more. Wand Wmay be bonded to each other to form a ring.