Racemization, Resolution, Or Inversion Of Configuration Processes For Optically Active Compounds Patents (Class 558/354)
  • Novel resolution method of racemic mixture
    Patent number: 4656303
    Abstract: A novel resolution method of a racemic mixture, wherein four kinds of salts are dissolved in a resolving solvent to fractionally crystallize a desired optically active isomer through an exchange reaction between counter ions.
    Type: Grant
    Filed: October 23, 1984
    Date of Patent: April 7, 1987
    Assignee: Institute of Applied Biochemistry
    Inventors: Masayasu Kurono, Takafumi Iida, Katsuhiro Hayashi, Kunio Yagi