Patents by Inventor Zhixue Zhu

Zhixue Zhu 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).

  • Aromatic poly (ether sulfone imide) membranes for gas separations
    Patent number: 9000122
    Abstract: The present invention is for aromatic poly(ether sulfone imide) membranes and methods for making and using these membranes for gas, vapor, and liquid separations. The membranes may be fabricated into any known membrane configuration including a flat sheet or hollow fiber. An embodiment of the present invention is for aromatic poly(ether sulfone imide) polymers, aromatic poly(ether sulfone imide) membranes and UV cross-linked aromatic poly(ether sulfone imide) membranes made from these polymers.
    Type: Grant
    Filed: December 16, 2013
    Date of Patent: April 7, 2015
    Assignee: UOP LLC
    Inventors: Zhixue Zhu, Chunqing Liu
  • Ion-conducting polymers and membranes comprising them
    Patent number: 7736539
    Abstract: An ion-conducting polymer wherein at least 80% of the repeat units comprise an ion-conducting region and a spacer region is disclosed. The ion-conducting region has an aromatic backbone of one or more aromatic groups, wherein at least one ion-conducting functional group is attached to each aromatic group. The spacer region has an aromatic backbone of at least four aromatic groups, wherein no ion-conducting functional groups are attached to the aromatic backbone. The polymer is suitable for use as a fuel cell membrane, and can be incorporated into membrane electrode assemblies.
    Type: Grant
    Filed: January 12, 2005
    Date of Patent: June 15, 2010
    Assignee: Johnson Matthey Public Limited Company
    Inventors: Howard Matthew Colquhoun, Zhixue Zhu, William Alexander Mortimore, Martin Philip Hogarth, Nadia Michele Walsby
  • ION-CONDUCTING MEMBRANE
    Publication number: 20100047658
    Abstract: An ion-conducting membrane comprising a polymer component and a macrocyclic compound, wherein the macro-cyclic compound is functionalised with one or more ion-conducting groups is disclosed. The membrane is suitable for use in a fuel cell.
    Type: Application
    Filed: June 14, 2007
    Publication date: February 25, 2010
    Applicants: Johnson Matthey Public Limited Company, University of Reading
    Inventors: Howard Matthew Colquhoun, Zhixue Zhu, David Thompsett, Nadia Michele Walsby
  • Ion-Conducting Polymers And Membranes Comprising Them
    Publication number: 20070196734
    Abstract: An ion-conducting polymer wherein at least 80% of the repeat units comprise an ion-conducting region and a spacer region is disclosed. The ion-conducting region has an aromatic backbone of one or more aromatic groups, wherein at least one ion-conducting functional group is attached to each aromatic group. The spacer region has an aromatic backbone of at least four aromatic groups, wherein no ion-conducting functional groups are attached to the aromatic backbone. The polymer is suitable for use as a fuel cell membrane, and can be incorporated into membrane electrode assemblies.
    Type: Application
    Filed: January 12, 2005
    Publication date: August 23, 2007
    Inventors: Howard Colquhoun, Zhixue Zhu, William Mortimore, Martin Hogarth, Nadia Walsby