Patents by Inventor Janet L. Inkrott

Janet L. Inkrott 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).

  • Diluent and inert gas recovery from a polymerization process
    Patent number: 4501885
    Abstract: A polymerization process wherein a slurry of polymer and diluent is passed from the polymerization zone to a flash zone, then polymer solids having residual diluent carried thereon are passed to a purge zone wherein a heated noncombustible gas is used to remove additional amounts of diluent, and then the vapor purge zone is condensed and cooled to produce a vapor stream comprising said noncombustible gas and a liquid stream comprising diluent.
    Type: Grant
    Filed: October 14, 1981
    Date of Patent: February 26, 1985
    Assignee: Phillips Petroleum Company
    Inventors: Fred T. Sherk, Janet L. Inkrott