Patents Examined by M. C. Easkin
  • Process for the resolution of some interphenylene 9-thia-11-oxo-12-azaprostanoic acids
    Patent number: 4389525
    Abstract: A process for resolving certain interphenylene-9-thia-11-oxo-12-azaprostanoic acids using camphanic or a camphor carboxylic acid, certain intermediates and optically pure azaprostanoic acids are disclosed.
    Type: Grant
    Filed: June 22, 1981
    Date of Patent: June 21, 1983
    Assignee: Merck & Co., Inc.
    Inventors: Mark G. Bock, Robert M. Di Pardo