Patents by Inventor Robert Eugene Waltermire

Robert Eugene Waltermire 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).

  • Asymmetric synthesis of R-.alpha.-propyl-piperonyl amine and its analogs
    Patent number: 5932749
    Abstract: Processes for the preparation of R-.alpha.-propyl-piperonyl amine and its analogs, such compounds being useful intermediates in the preparation of elastase inhibitors, and intermediates useful for making R-.alpha.-propyl-piperonyl amine are described.
    Type: Grant
    Filed: March 21, 1997
    Date of Patent: August 3, 1999
    Assignee: DuPont Pharmaceuticals Company
    Inventors: Hui-Yin Li, Luigi Anzalone, Robert Eugene Waltermire