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:
Aug. 13, 2019
Filed:
Aug. 12, 2015
Georgia State University Research Foundation, Inc., Atlanta, GA (US);
Maged Henary, Lawrenceville, GA (US);
Gabor Patonay, Conyers, GA (US);
GEORGIA STATE UNIVERSITY RESEARCH FOUNDATION, INC., Atlanta, GA (US);
Abstract
Provided herein are heterocyclic near infrared compounds, including near IR compounds defined by Formulae I-V described herein. The near infrared compounds can include a cyanine group, a phthalocyanine group, a naphthalocyanine group, a squaraine group, a carbocyanine group, or a combination thereof. In some embodiments, the near infrared compound can be charged. In some embodiments, the near infrared compound can comprise a cationic group. Compositions comprising the near infrared compounds are also disclosed. In some embodiments, the composition can contain the near infrared compound, a polymer, and an acceptable carrier. In some embodiments, the polymer can include an anionic group. The compositions can be used as a coating for marking a surface, such as an ink. The compositions can also be used on articles for detecting, identifying, or authenticating the article. Methods of making the compositions described herein are also disclosed.