Patents by Inventor Paul A. Rupar

Paul A. Rupar 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
    Patent number: 11685796
    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: Grant
    Filed: August 2, 2021
    Date of Patent: June 27, 2023
    Assignee: The Board of Trustees of the University of Alabama
    Inventors: Jason Edward Bara, Paul A. Rupar
  • METHODS FOR CONVERTING PVC TO ELASTOMERS
    Publication number: 20220033541
    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: August 2, 2021
    Publication date: February 3, 2022
    Inventors: Jason Edward Bara, Paul A. Rupar
  • Synthesis of linear polyethyleneimine by living anionic polymerization
    Patent number: 10011683
    Abstract: Disclosed herein are methods for the productions of linear polyethyleneimine using living anionic polymerization of appropriately functionalized aziridine monomers.
    Type: Grant
    Filed: January 13, 2017
    Date of Patent: July 3, 2018
    Assignee: THE BOARD OF TRUSTEES OF THE UNIVERSITY OF ALABAMA
    Inventors: Paul A. Rupar, Louis Reisman, Pierre Canisius Mbarushimana
  • SYNTHESIS OF LINEAR POLYETHYLENEIMINE BY LIVING ANIONIC POLYMERIZATION
    Publication number: 20170204224
    Abstract: Disclosed herein are methods for the productions of linear polyethyleneimine using living anionic polymerization of appropriately functionalized aziridine monomers.
    Type: Application
    Filed: January 13, 2017
    Publication date: July 20, 2017
    Inventors: Paul A. Rupar, Louis Reisman, Pierre Canisius Mbarushimana