Patents Assigned to Lithdyn International
  • Patent number: 6444846
    Abstract: There is provided a process for preparing tetraalkyl ammonium halide utilizing a catalytic amount of acetonitrile in a reaction under pressure and at an elevated temperature of an alkyl halide and a trialkyl halide and in which tetrafluoroborate can be subsequently prepared.
    Type: Grant
    Filed: April 19, 2001
    Date of Patent: September 3, 2002
    Assignee: Lithdyn International
    Inventors: W. Novis Smith, Joel McCloskey