Chalcogen Or Nitrogen Attached Indirectly To The Sulfur By Nonionic Bonding Patents (Class 562/835)
  • Patent number: 7781612
    Abstract: The present invention provides a process for producing a fluorinated sulfonyl fluoride useful as e.g. a material for an ion exchange resin, and a novel chemical substance useful as an intermediate in the production process.
    Type: Grant
    Filed: December 28, 2005
    Date of Patent: August 24, 2010
    Assignee: Asahi Glass Company, Limited
    Inventors: Koichi Murata, Takashi Okazoe, Eisuke Murotani