Patents by Inventor Walter J. Kowlaski

Walter J. Kowlaski 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).

  • Oxidizing paraffin hydrocarbons
    Patent number: 5306858
    Abstract: Disclosed is a process for oxidizing a paraffin hydrocarbon containing 2 to 5 carbon atoms and no quaternary carbon atom to an olefin having the same number of carbon atoms as said paraffin by contacting said paraffin in a reaction zone with molecular oxygen and a VAPO-5 microporous molecular sieve as catalyst.
    Type: Grant
    Filed: November 20, 1992
    Date of Patent: April 26, 1994
    Assignee: The Standard Oil Company
    Inventors: George F. Salem, Charles J. Besecker, Susan M. Kenzig, Walter J. Kowlaski, Larry M. Cirjak