Patents by Inventor Scott Denmark

Scott Denmark 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).

  • Steroidal 17.alpha.-silyl ethers and process to corticoids and progesterones
    Patent number: 4977255
    Abstract: 17.beta.-Cyano-17.alpha.-hydroxy steroids (I) are transformed to 17.alpha.-halo silyl ethers (II) which are intermediates useful in the production of progesterones (V), 17-hydroxyprogesterones (VI), corticoids (VII) and 21-halo corticoids (III) which can readily be transformed to corticoids (VII).
    Type: Grant
    Filed: April 7, 1989
    Date of Patent: December 11, 1990
    Assignee: The Upjohn Company
    Inventors: Douglas A. Livingston, Bruce A. Pearlman, Scott Denmark
  • 17.beta.-cyano-9.alpha.,17.alpha.-dihydroxyandrost-4-en-3-one
    Patent number: 4921638
    Abstract: The invention is the compound 17.beta.-cyano-9.alpha., 17.alpha.-dihydroxyandrost-4-en-3-one (I) which is particularly useful as an intermediate in the production of the 17.alpha.-halo silyl ethers (II).
    Type: Grant
    Filed: October 3, 1988
    Date of Patent: May 1, 1990
    Assignee: The Upjohn Company
    Inventors: Douglas A. Livingston, Bruce A. Pearlman, Scott Denmark, Joel E. Huber