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:
Sep. 15, 2026
Filed:
Sep. 19, 2023
Chathuranga S.l. Rathnamalala, Starkville, MS (US);
Colleen N. Scott, Starkville, MS (US);
Chathuranga S.L. Rathnamalala, Starkville, MS (US);
Colleen N. Scott, Starkville, MS (US);
Mississippi State University, Starkville, MS (US);
Abstract
A near infrared dye comprising a counterion and a structure of Formula I wherein the at least one of Rand Rare 1-(thiophen-2-yl)piperidine, 1-(thieno[3,2-b]thiophen-2-yl)piperidine or 1-([2,2'-bithiophen]-5-yl)piperidine, and X, R, R-R, R, Rand R-Rare disclosed herein. Materials and compositions comprising the NIR dye can absorb light in the NIR I & II regions and then the energy can be released in the form of light (fluorescence) or heat (non-radiative). The dyes can also convert the absorbed light to heat and ultrasound waves via the photoacoustic effect. The photoacoustic effect can be used in photoacoustic tomography to image biological materials or processes. Methods for synthesizing the NIR dyes and materials comprising the same are also disclosed.
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