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:
Apr. 21, 2026
Filed:
Jul. 14, 2021
Artience Co., Ltd., Tokyo, JP;
Toyocolor Co., Ltd., Tokyo, JP;
Takayoshi Kono, Tokyo, JP;
Kohei Takijiri, Tokyo, JP;
Takeshi Matsumoto, Tokyo, JP;
Shohei Sakamoto, Tokyo, JP;
artience Co., Ltd., Tokyo, JP;
TOYOCOLOR CO., LTD., Tokyo, JP;
Abstract
The pigment composition contains the isoindoline compound represented by formula (1) below and the isoindoline compound represented by formula (2) below. In the formulae (1) and (2), Rto Rrepresent hydrogen atoms, Rand Reach independently represent alkyl groups, and A and A' represent a group represented by formula (3) below or formula (5) below. In the formula (3) and (5), X represents —O— or —NH—, Rrepresents an alkyl group or an aryl group, and Rto Reach independently represent hydrogen atoms, halogen atoms, alkyl groups, alkoxy groups, aryl groups, aryloxy groups, thioalkyl groups, or thioaryl groups,