Patents by Inventor Edwin D. Luallin

Edwin D. Luallin 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).

  • Autorefrigerated polymerization process
    Patent number: 4214063
    Abstract: A process for the polymerization of propylene or copolymers of propylene and other olefins is described wherein monomer is contacted with a catalyst in a reaction zone having both a liquid and a vapor phase followed by subjecting a polymer slurry withdrawn from the reaction zone to a degassing step and a wash step in a liquid phase wash zone using propylene as the wash liquid.
    Type: Grant
    Filed: January 11, 1979
    Date of Patent: July 22, 1980
    Assignee: Exxon Research & Engineering Co.
    Inventor: Edwin D. Luallin