Patents by Inventor Howard E. Miller

Howard E. Miller 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 for cleavage of unsaturated multi-cyclic ketones
    Patent number: 4173586
    Abstract: A process for cleavage of unsaturated multi-cyclic ketones involves thermal cracking of the liquid ketone at elevated temperatures in the absence of water to produce cyclohexanone and a variety of other cleavage products. Para-toluenesulfonic acid and transition metal oxides are advantageously employed as catalysts.
    Type: Grant
    Filed: September 15, 1978
    Date of Patent: November 6, 1979
    Assignee: Badische Corporation
    Inventors: Larry W. Payne, Howard E. Miller, James R. Ryffel