Patents by Inventor Warren R. Knipple

Warren R. Knipple 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: 3933751
    Abstract: Olefinic aldehydes such as acrolein are produced by the oxidation of an olefin such as propylene in the presence of an antimony oxide-uranium oxide catalyst containing at least one of a number of specified promoter elements.
    Type: Grant
    Filed: May 7, 1971
    Date of Patent: January 20, 1976
    Assignee: The Standard Oil Company
    Inventors: James L. Callahan, Robert K. Grasselli, Warren R. Knipple