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:
Jul. 28, 2020
Filed:
Dec. 27, 2017
Applicant:
Dainichiseika Color & Chemicals Mfg. Co., Ltd., Tokyo, JP;
Inventor:
Shuwa Ozako, Tokyo, JP;
Assignee:
DAINICHISEIKA COLOR & CHEMICALS MFG. CO., LTD., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07D 209/50 (2006.01); C09B 1/16 (2006.01); C09B 1/20 (2006.01); G02B 5/20 (2006.01); C08K 5/00 (2006.01);
U.S. Cl.
CPC ...
C09B 1/206 (2013.01); C07D 209/50 (2013.01); C08K 5/0041 (2013.01); C09B 1/16 (2013.01); C09B 1/20 (2013.01); G02B 5/20 (2013.01);
Abstract
Provided is an infrared-reflecting black isoindolinone pigment having a novel skeleton, the black isoindolinone pigment having a high blackness (coloring power) and excellent durability such as heat resistance. The black isoindolinone pigment is represented by the following formula (1), wherein each X independently represents a chlorine atom, a bromine atom, or an alkyl group, and 8≥n+m≥0.