Patents by Inventor Kathryn E. O'Harra

Kathryn E. O'Harra 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).

  • METHODS FOR CONVERTING PVC TO ELASTOMERS
    Publication number: 20240084053
    Abstract: Disclosed are methods for upcycling polyvinyl chloride (PVC) that involve the dissolving of PVC in an organic solvent; and contacting the PVC with a base, thereby providing a partially dehydrochlorinated PVC. Polymers made by the disclosed, and articles therefore, are also disclosed.
    Type: Application
    Filed: November 14, 2023
    Publication date: March 14, 2024
    Inventors: Jason Edward Bara, Pravin Shinde, Ali A. Alshaikh, Kathryn E. O'Harra
  • Polymers derived from 2,2?-bisimidazoles
    Patent number: 11912825
    Abstract: Disclosed are compositions derived from 2,2?bisimidazoles building blocks and methods of making the same. The disclosed compositions are capable of withstanding temperatures up to 600° C. and substantially flame resistant.
    Type: Grant
    Filed: January 21, 2021
    Date of Patent: February 27, 2024
    Assignee: The Board of Trustees of The University of Alabama
    Inventors: Jason E. Bara, Kathryn E. O'Harra, Irshad Kammakakam
  • GAS TREATING SOLUTIONS CONTAINING IMIDAZOLE-AMINE COMPOUNDS AND METHODS OF MAKING THE SAME
    Publication number: 20210371387
    Abstract: Systems comprising a composition where an imidazole is tethered to an amine and a solvent are described herein. Methods of their preparation and use are also described herein. The methods of using the systems include the reduction of volatile compounds from gas streams and a liquid stream.
    Type: Application
    Filed: April 1, 2021
    Publication date: December 2, 2021
    Inventors: Jason E. Bara, Kathryn E. O'Harra
  • POLYMERS DERIVED FROM 2,2'-BISIMIDAZOLES
    Publication number: 20210301085
    Abstract: Disclosed are compositions derived from 2,2?bisimidazoles building blocks and methods of making the same. The disclosed compositions are capable of withstanding temperatures up to 600° C. and substantially flame resistant.
    Type: Application
    Filed: January 21, 2021
    Publication date: September 30, 2021
    Inventors: Jason E. Bara, Kathryn E. O'Harra, Irshad Kammakakam
  • Ionic polyamide and polyamide-imide materials and methods of use
    Patent number: 10836865
    Abstract: Disclosed are compositions and methods of preparing ionic polyamides. Also disclosed are compositions and methods of preparing ionic polyamide-imides. Additionally, disclosed herein are compositions comprising the ionic polyamides or polyamide-imides. The compositions comprising the ionic polyamides or polyamide-imides can include an ionic liquid. The disclosed polyamides and polyamide-imides can be utilized for three-dimensional printing or to capture gases.
    Type: Grant
    Filed: February 14, 2018
    Date of Patent: November 17, 2020
    Assignee: The Board of Trustees of The University of Alabama
    Inventors: Jason Edward Bara, Kathryn E. O'Harra
  • IONIC POLYAMIDE AND POLYAMIDE-IMIDE MATERIALS AND METHODS OF USE
    Publication number: 20180230272
    Abstract: Disclosed are compositions and methods of preparing ionic polyamides. Also disclosed are compositions and methods of preparing ionic polyamide-imides. Additionally, disclosed herein are compositions comprising the ionic polyamides or polyamide-imides. The compositions comprising the ionic polyamides or polyamide-imides can include an ionic liquid. The disclosed polyamides and polyamide-imides can be utilized for three-dimensional printing or to capture gases.
    Type: Application
    Filed: February 14, 2018
    Publication date: August 16, 2018
    Inventors: Jason Edward Bara, Kathryn E. O'Harra