Patents by Inventor Robert Provence

Robert Provence 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).

  • Solid metallocene catalyst system
    Publication number: 20050171305
    Abstract: A solid metallocene-containing catalyst system of an organoaluminoxane, at least one metallocene having at least one olefinically unsaturated substituent and a polyolefin is disclosed. The polyolefin is formed from at least one olefin polymerized in the presence of a combination of a solution of the organoluminoxane in an aromatic liquid, the at least one metallocene, and an aliphatic liquid. The solid metallocene-containing catalyst system may also include one or more the particulate solids.
    Type: Application
    Filed: February 11, 2005
    Publication date: August 4, 2005
    Inventors: Kent Mitchell, Gary Glass, L. Kirchman, Robert Provence, Leigh Ford, Randall Muninger