Patents by Inventor Kevin C. Grega

Kevin C. Grega 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).

  • Process to prepare androst-4-en-17-carboxylic acid
    Patent number: 6410760
    Abstract: The process of the present invention transforms a steroidal ketone of formula (III) to androst-4-en-17&bgr;-carboxylic acid (IV) by reaction with K2SO5.KHSO4.K2SO4.
    Type: Grant
    Filed: October 2, 2000
    Date of Patent: June 25, 2002
    Assignee: Pharmacia & Upjohn Company
    Inventors: Kevin C. Grega, Scott W. Ashford