Patents Examined by Elhert L. Roberts
  • Chemical process
    Patent number: 4014908
    Abstract: This invention relates to new and novel methods for the production of substantially pure bile acids, and particularly, 3.alpha., 7.alpha.-dihydroxy-5.beta.-cholanic acid, from natural sources thereof.
    Type: Grant
    Filed: February 20, 1976
    Date of Patent: March 29, 1977
    Assignee: Intellectual Property Development Corporation
    Inventor: William H. Saltzman