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:
Jun. 17, 2025
Filed:
Nov. 04, 2022
Nippon Kayaku Kabushiki Kaisha, Tokyo, JP;
NIPPON KAYAKU KABUSHIKI KAISHA, Tokyo, JP;
Abstract
An anthraquinone compound represented by formula (1) (In the formula, Rand Rrepresent a hydrogen atom, a C1-12 alkyl group, a C1-12 alkoxy group, a halogen atom, —COR, —OCOR, —COR, a cyano group, or a trifluoromethyl group. R, R, R, and Rrepresent a hydrogen atom, a C1-4 alkyl group, a C1-4 alkoxy group, a halogen atom, —COR, —OCOR, —COR, a cyano group, or a trifluoromethyl group, Rand Rrepresent a hydrogen atom or a C1-8 alkyl group. Rrepresents a C1-12 alkyl group, a substituent represented by formula (a) (in the formula, Rrepresents a hydrogen atom, a C1-8 alkyl group, or a C1-8 alkoxy group), or a substituent represented by formula (b) (in the formula, Rrepresents a hydrogen atom or a C1-8 alkyl group)).