Patents by Inventor Sumudu WIJENAYAKE

Sumudu WIJENAYAKE 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).

  • Compatibilized immiscible polymer blends and molecular sieve membranes thereof
    Patent number: 10046284
    Abstract: In some aspects, the present disclosure provides a polymer composition which comprises two polymer molecules and a compatibilizing agent. In some embodiments, the polymer composition is useful for the preparation of membranes used in the separation of two or more gases. In some embodiments, the polymer composition comprises a polyimide polymer and a polybenzimidazole polymer which have been compatibilizing with a small molecule or a metal organic framework.
    Type: Grant
    Filed: March 11, 2016
    Date of Patent: August 14, 2018
    Assignee: BOARD OF REGENTS, THE UNIVERSITY OF TEXAS SYSTEM
    Inventors: John P. Ferraris, Nimanka Panapitiya, Sumudu Wijenayake, Inga H. Musselman, Chamaal Karunaweera, Kenneth J. Balkus, Jr.
  • COMPATIBILIZED IMMISCIBLE POLYMER BLENDS AND MOLECULAR SIEVE MEMBRANES THEREOF
    Publication number: 20160263534
    Abstract: In some aspects, the present disclosure provides a polymer composition which comprises two polymer molecules and a compatibilizing agent. In some embodiments, the polymer composition is useful for the preparation of membranes used in the separation of two or more gases. In some embodiments, the polymer composition comprises a polyimide polymer and a polybenzimidazole polymer which have been compatibilizing with a small molecule or a metal organic framework.
    Type: Application
    Filed: March 11, 2016
    Publication date: September 15, 2016
    Applicant: The Board of Regents of the University of Texas System
    Inventors: John P. FERRARIS, Nimanka PANAPITIYA, Sumudu WIJENAYAKE, Inga H. MUSSELMAN, Chamaal Karunaweera, JR., Kenneth J. Balkus, JR.