Patents by Inventor Maoxiang Wei

Maoxiang Wei 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).

  • Perfluorinated ion exchange resin, preparation method and use thereof
    Patent number: 9023554
    Abstract: The present invention provides a perfluorinated ion exchange resin, whose structural formula is shown in formula M. The present invention also provides preparation method of the perfluorinated ion exchange resin, comprising subjecting tetrafluoroethylene monomers and two kinds of sulfonyl fluoride-containing vinyl ether monomers in the presence of initiator to ternary copolymerization. The perfluorinated ion exchange resin provided in accordance with the present invention can fulfill the requirements of mechanical strength and ion exchange capacity at the same time and has good thermal stability.
    Type: Grant
    Filed: December 11, 2009
    Date of Patent: May 5, 2015
    Assignee: Shandong Huaxia Shenzhou New Material Co., Ltd.
    Inventors: Yongming Zhang, Sheng Qin, Zihong Gao, Heng Zhang, Maoxiang Wei, Yong Li, Jun Wang
  • PERFLUORINATED ION EXCHANGE RESIN, PREPARATION METHOD AND USE THEREOF
    Publication number: 20120237851
    Abstract: The present invention provides a perfluorinated ion exchange resin, whose structural formula is shown in formula M. The present invention also provides preparation method of the perfluorinated ion exchange resin, comprising subjecting tetrafluoroethylene monomers and two kinds of sulfonyl fluoride-containing vinyl ether monomers in the presence of initiator to ternary copolymerization. The perfluorinated ion exchange resin provided in accordance with the present invention can fulfill the requirements of mechanical strength and ion exchange capacity at the same time and has good thermal stability.
    Type: Application
    Filed: December 11, 2009
    Publication date: September 20, 2012
    Inventors: Yongming Zhang, Sheng Qin, Zihong Gao, Heng Zhang, Maoxiang Wei, Yong Li, Jun Wang