Patents by Inventor Randall J. Stolk

Randall J. Stolk 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).

  • Oligomerization using a solid, unsupported metallocene catalyst system
    Patent number: 6680417
    Abstract: A process for the production of an oligomer oil by the polymerization of a feedstock containing one or more C3 to C20 1-olefins in the presence of a solid unsupported metallocene- and activator-containing catalyst system which is formed by removing the solvent from a solution of the soluble metallocene- and activator-containing catalyst system.
    Type: Grant
    Filed: January 3, 2002
    Date of Patent: January 20, 2004
    Assignee: BP Corporation North America Inc.
    Inventors: Vahid Bagheri, Robert E. Farritor, Randall J. Stolk, Andrew D. Overstreet, David Eisenberg, Frederic Grzeszczak
  • Oligomerization using a solid, unsupported metallocene catalyst system
    Publication number: 20030125595
    Abstract: A process for the production of an oligomer oil by the polymerization of a feedstock containing one or more C3 to C20 1-olefins in the presence of a solid unsupported metallocene- and activator-containing catalyst system which is formed by removing the solvent from a solution of the soluble metallocene- and activator-containing catalyst system.
    Type: Application
    Filed: January 3, 2002
    Publication date: July 3, 2003
    Inventors: Vahid Bagheri, Robert E. Farritor, Randall J. Stolk, Andrew D. Overstreet, David Eisenberg, Frederic Grzeszczak