Patents by Inventor Brian Sobieski

Brian Sobieski has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Process for preparing a polarized film or sheet containing ?-form polyhydroxyalkanoate based copolymer
    Patent number: 11896741
    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 1, 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 ?-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.
    Type: Grant
    Filed: September 20, 2019
    Date of Patent: February 13, 2024
    Assignee: UNIVERSITY OF DELAWARE
    Inventors: John F. Rabolt, Liang Gong, D. Bruce Chase, Isao Noda, Brian Sobieski
  • PIEZOELECTRIC SENSORS COMPRISING ELECTROSPUN POLY[(R)-3-HYDROXYBUTYRATE-CO-(R)-3-HYDROXYHEXANOATE] (PHBHX) NANOFIBERS
    Publication number: 20200093966
    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 1, 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 ?-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.
    Type: Application
    Filed: September 20, 2019
    Publication date: March 26, 2020
    Applicant: University of Delaware
    Inventors: John F. Rabolt, Liang Gong, D. Bruce Chase, Isao Noda, Brian Sobieski