Patents by Inventor Xuezhang Song

Xuezhang Song 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).

  • High exchange capacity perfluorinated ion exchange resin, preparation method and use thereof
    Patent number: 9090723
    Abstract: The present invention provides a high exchange capacity perfluorinated resin comprising two kinds of sulfonyl fluoride-containing short pendant groups of different structures, which is prepared by copolymerizing tetrafluoroethylene, vinyl ether monomers comprising two kinds of sulfonyl fluoride-containing short pendant groups of different structures, and vinyl ether monomer comprising bromine-containing pendant group, wherein based on all monomer units in the copolymer, the mol % of tetrafluoroethylene monomer is 50-85%, the mol % of vinyl ether monomers comprising two kinds of sulfonyl fluoride-containing short pendant groups of different structures is 5-49% and the mol % of vinyl ether monomer comprising bromine-containing pendant group is 1-10%.
    Type: Grant
    Filed: December 15, 2009
    Date of Patent: July 28, 2015
    Assignee: Shandong Huaxia Shenzou New Material Co., Ltd.
    Inventors: Yongming Zhang, Heng Zhang, Sheng Qin, Zihong Gao, Li Wang, Yong Li, Xuezhang Song
  • HIGH EXCHANGE CAPACITY PERFLUORINATED ION EXCHANGE RESIN, PREPARATION METHOD AND USE THEREOF
    Publication number: 20120282541
    Abstract: The present invention provides a high exchange capacity perfluorinated resin comprising two kinds of sulfonyl fluoride-containing short pendant groups of different structures, which is prepared by copolymerizing tetrafluoroethylene, vinyl ether monomers comprising two kinds of sulfonyl fluoride-containing short pendant groups of different structures, and vinyl ether monomer comprising bromine-containing pendant group, wherein based on all monomer units in the copolymer, the mol % of tetrafluoroethylene monomer is 50-85%, the mol % of vinyl ether monomers comprising two kinds of sulfonyl fluoride-containing short pendant groups of different structures is 5-49% and the mol % of vinyl ether monomer comprising bromine-containing pendant group is 1-10%.
    Type: Application
    Filed: December 15, 2009
    Publication date: November 8, 2012
    Inventors: Yongming Zhang, Heng Zhang, Sheng Qin, Zihong Gao, Li Wang, Yong Li, Xuezhang Song