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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.:

US 12421352 B1

PDFFull Text
Date of Patent:
Sep. 23, 2025

Filed:

Apr. 02, 2024

Polyaniline compositions, articles thereof, and methods thereof

Applicant:

The Boeing Company, Arlington, VA (US);

Inventors:

Vijaykumar Ijeri, Mumbai, IN;

Stephen P. Gaydos, St. Louis, MO (US);

Patrick J. Kinlen, Fenton, MO (US);

Assignee:

The Boeing Company, Arlington, VA (US);

Attorney:

Walters & Wasylyna LLC

Primary Examiner:

Ha S Nguyen

Int. Cl.
CPC ...
C08G 73/02 (2006.01); B64D 45/02 (2006.01); C08G 59/24 (2006.01); C08G 59/44 (2006.01); C08G 59/50 (2006.01); C08K 3/22 (2006.01); C08K 3/32 (2006.01); C08K 3/36 (2006.01); C08K 5/098 (2006.01); C08K 5/3437 (2006.01); C08K 5/3472 (2006.01); C08K 5/378 (2006.01); C08K 5/42 (2006.01); C08K 5/47 (2006.01); C08L 63/00 (2006.01); C08L 79/02 (2006.01); C09D 5/00 (2006.01); C09D 5/24 (2006.01); C09D 7/61 (2018.01); C09D 7/63 (2018.01); C09D 7/65 (2018.01); C09D 163/00 (2006.01); H01B 1/12 (2006.01);
U.S. Cl.
CPC ...
C08G 73/0266 (2013.01); C08G 59/245 (2013.01); C08G 59/44 (2013.01); C08G 59/50 (2013.01); C08K 3/22 (2013.01); C08K 3/32 (2013.01); C08K 3/36 (2013.01); C08K 5/098 (2013.01); C08K 5/3437 (2013.01); C08K 5/3472 (2013.01); C08K 5/378 (2013.01); C08K 5/42 (2013.01); C08K 5/47 (2013.01); C08G 2150/00 (2013.01); C08K 2003/2241 (2013.01); C08K 2003/329 (2013.01); C09D 5/24 (2013.01);
Abstract

The present disclosure provides compositions, articles thereof, and methods of forming compositions. In at least one aspect, a composition includes (1) an epoxy, (2) an amino or amido hardener, (3) a polyaniline, (4) a dopant selected from a triazolyl, a thiazolyl, a quinolinyl, a salicylate, a benzoate, a glycolate, a phosphate, a sulfonate, an oxalate, or combination(s) thereof; and (5) a pigment selected from titanium dioxide, silica, talc, mica, aluminium stearate, or combination(s) thereof. The polyaniline+dopant comprises greater than 6 wt %, by weight of the composition. In at least one aspect, a method includes introducing an acid form of a polyaniline to a hydroxide to form a polyaniline hydroxide. The method includes introducing a dopant to the polyaniline hydroxide to form a doped polyaniline.

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