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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 12595595 B1

PDFFull Text
Date of Patent:
Apr. 07, 2026

Filed:

Sep. 15, 2021

Photochromic liquid crystal electrospun coaxial polymer fibers

Applicant:

The Government of the United States of America, As Represented BY the Secretary of the Navy, Arlington, VA (US);

Inventors:

Jeffrey G. Lundin, Burke, VA (US);

Matthew D. Thum, Jackson, NJ (US);

Riccardo Casalini, Hyattsville, MD (US);

Daniel Ratchford, Alexandria, VA (US);

Assignee:

The Government of the United States of America, as represented by the Secretary of the Navy, Arlington, VA (US);

Attorneys:

US Naval Research Laboratory

Joseph T. Grunkemeyer

Primary Examiner:

Lynda Salvatore

Int. Cl.
CPC ...
D01F 1/10 (2006.01); C09K 19/12 (2006.01); C09K 19/54 (2006.01); D01D 5/00 (2006.01); D01D 5/34 (2006.01); D01F 8/14 (2006.01);
U.S. Cl.
CPC ...
D01F 1/10 (2013.01); C09K 19/54 (2013.01); D01D 5/003 (2013.01); D01D 5/34 (2013.01); D01F 8/14 (2013.01); C09K 2019/122 (2013.01);
Abstract

A fiber having a polymer sheath and a core. The core has a liquid crystal and a compound capable of photoisomerization, such as that shown below. A method of: providing a first solution of a polymer, providing a second solution of a liquid crystal and compound capable of photoisomerization, and electrospinning the first solution and the second solution to form the fiber.

Find Patent Forward Citations

Lundin, Jeffrey. (2026). Photochromic liquid crystal electrospun coaxial polymer fibers (U.S. Patent No. 12595595). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12595595

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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