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:
Feb. 13, 2024

Filed:

Sep. 20, 2019
Applicants:

John F. Rabolt, Greenville, DE (US);

Liang Gong, Newark, DE (US);

D. Bruce Chase, Newark, DE (US);

Isao Noda, Fairfield, OH (US);

Brian Sobieski, Newark, DE (US);

Inventors:

John F. Rabolt, Greenville, DE (US);

Liang Gong, Newark, DE (US);

D. Bruce Chase, Newark, DE (US);

Isao Noda, Fairfield, OH (US);

Brian Sobieski, Newark, DE (US);

Assignee:

UNIVERSITY OF DELAWARE, Newark, DE (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61L 31/14 (2006.01); H10N 30/098 (2023.01); A61B 5/145 (2006.01); A61B 5/1473 (2006.01); A61B 5/0215 (2006.01); A61N 1/375 (2006.01); C08J 5/00 (2006.01); A61L 31/06 (2006.01); A61M 5/142 (2006.01); A61B 5/00 (2006.01); A61B 5/01 (2006.01); D01D 5/00 (2006.01); D01F 6/84 (2006.01); H10N 30/20 (2023.01); H10N 30/045 (2023.01); H10N 30/30 (2023.01); H10N 30/857 (2023.01); H10N 30/00 (2023.01);
U.S. Cl.
CPC ...
A61L 31/14 (2013.01); A61B 5/01 (2013.01); A61B 5/0215 (2013.01); A61B 5/1473 (2013.01); A61B 5/14532 (2013.01); A61B 5/14546 (2013.01); A61B 5/6876 (2013.01); A61L 31/06 (2013.01); A61M 5/14276 (2013.01); A61N 1/37512 (2017.08); C08J 5/00 (2013.01); D01D 5/003 (2013.01); D01F 6/84 (2013.01); H10N 30/045 (2023.02); H10N 30/098 (2023.02); H10N 30/1061 (2023.02); H10N 30/20 (2023.02); H10N 30/302 (2023.02); H10N 30/857 (2023.02); A61B 2562/029 (2013.01); A61B 2562/12 (2013.01); A61L 2400/12 (2013.01); C08J 2367/00 (2013.01);
Abstract

Disclosed herein is a device comprising a PHA based copolymer layer comprising at least one of an electrospun ribbon of fibers of a polyhydroxyalkanoate based copolymer or the polarized polymeric composition obtained by the process of claim, wherein the layer is configured to exhibit one or more of a piezoelectric effect, a pyroelectric effect and a ferroelectric effect, wherein each of the electrospun ribbon of fibers and the polarized polymeric composition comprises a β-form of the PHA based copolymer present in an amount of from about 10% to about 99%, as measured by x-ray diffraction. The device can be configured for use as a sensor, a actuator, a nanomotor, or a biobattery.


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