Patents by Inventor Larry D. Bredeson

Larry D. Bredeson 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).

  • Thermal cracking method for the production of ethylene and propylene in a molten metal bath
    Patent number: 4012457
    Abstract: The pyrolysis of hydrocarbons to produce light olefins is accomplished in a reactor-quench system employing a common molten metal medium and forced circulation risers in both the reactor and quench zones.
    Type: Grant
    Filed: October 6, 1975
    Date of Patent: March 15, 1977
    Assignee: Shell Development Company
    Inventors: Larry D. Bredeson, Glenn R. McCullough, Oran L. Wylie