Patents Examined by David Gallis
  • Process for producing fluoroalkanesulfonamide derivatives
    Patent number: 7524977
    Abstract: There is provided a process for producing a fluoroalkanesulfonamide derivative represented by the formula [3], R2—NH—SO2—Rf—R1??[3] including reacting a fluoroalkanesulfonic anhydride represented by the formula [1], with an organic primary amine represented by the formula [2], in the presence of water and in the presence of a base selected from the group consisting of (a) a hydroxide of an alkali metal or alkaline-earth metal or (b) a basic salt containing an alkali metal or alkaline-earth metal.
    Type: Grant
    Filed: July 25, 2007
    Date of Patent: April 28, 2009
    Assignee: Central Glass Company, Limited
    Inventors: Kei Matsunaga, Takeo Komata