Patents by Inventor David C. Peterson

David C. Peterson 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).

  • Patent number: 4049678
    Abstract: The present invention provides novel 1,15-lactones of prostaglandin-type free acids and a process for their preparation. These lactones are useful for the same pharmacological purposes as the corresponding prostaglandin-type free acids.
    Type: Grant
    Filed: March 29, 1976
    Date of Patent: September 20, 1977
    Assignee: The Upjohn Company
    Inventor: David C. Peterson