Patents by Inventor Jean R. Runge

Jean R. Runge has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Epi-ethynylation process
    Patent number: 4582644
    Abstract: Ethynylation of 17-keto steroids (I) by standard means in the presence of a polar amine solvent produces the epi (17.beta.-ethynyl-17.alpha.-hydroxy) configuration at C.sub.17. The epi-ethisterone compounds are useful intermediates in the production of 17.alpha.-hydroxyprogesterones.
    Type: Grant
    Filed: November 21, 1984
    Date of Patent: April 15, 1986
    Assignee: The Upjohn Company
    Inventor: Jean R. Runge