Patents by Inventor Marcel Seuret

Marcel Seuret 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: 3960966
    Abstract: A process for the manufacture of ketoisophorone by the oxidation of .alpha.-isophorone employing oxygen gas in the presence of a catalyst.
    Type: Grant
    Filed: June 19, 1975
    Date of Patent: June 1, 1976
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Erich Widmer, Marcel Seuret