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.

Date of Patent:
Mar. 05, 2024

Filed:

Jan. 29, 2020
Applicants:

Savannah River Nuclear Solutions, Llc, Aiken, SC (US);

University of Kentucky Research Foundation, Lexington, KY (US);

Inventors:

Aaron L. Washington, II, Aiken, SC (US);

John T. Bobbitt, III, Evans, GA (US);

John E. Anthony, Lexington, KY (US);

Brent Peters, Aiken, SC (US);

James C. Nicholson, North Augusta, GA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09B 11/20 (2006.01); C09B 11/26 (2006.01); C09K 9/02 (2006.01); G01T 1/04 (2006.01);
U.S. Cl.
CPC ...
C09B 11/20 (2013.01); C09B 11/26 (2013.01); C09K 9/02 (2013.01); G01T 1/04 (2013.01);
Abstract

Derivatized malachite green leuco dyes for use in radio-chromic systems are described. The dyes have the following structure: in which Ar is a substituted phenyl or thiophene ring in which at least one substitution of the Ar ring is not ortho to the bond between the ring and the linking carbon, and in which R, R, R, and Rare independently selected from methyl, alkyl, or alkyl halide. The systems include the dyes in conjunction with an activator, e.g., a halogenated activator, and a carrier, e.g., a fluid carrier or an encapsulating polymeric matrix.


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