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:
Nov. 21, 2017
Filed:
Feb. 19, 2014
Dainichiseika Color & Chemicals Mfg. Co., Ltd., Tokyo, JP;
DAINICHISEIKA COLOR & CHEMICALS MFG. CO., LTD., Tokyo, JP;
Abstract
An azo pigment is provided which can be used as a coloring agent, etc. for use in paints, plastics, synthetic fibers, printing inks, and writing materials or for image recording or image displaying and which has performance of exhibiting high near infrared reflection/transparency, particularly when used as a heat-shielding paint, even in the case where the pigment has a dark color, and as a result, colored articles having the above-described properties are provided, and furthermore an article that is also useful as a printing ink in the security field is provided particularly when the pigment has a dark or black color. Specifically, an azo pigment is provided which is obtained through coupling reaction between a particular azo component and a particular coupling component, which has a plurality of chromophores of an azomethine group and of an azo group within a molecule, and in which the diazo component is a diazotized product of 3-(4-aminophenylimino)-1-oxo-4,5,6,7-tetrachroloisoindoline.