Patents by Inventor Kenneth Francis Grzybowski

Kenneth Francis Grzybowski 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).

  • Modified asphalt compositions
    Patent number: 7202290
    Abstract: A modified asphalt composition is provided comprising at least one plastomer, at least one elastomer, at least one crosslinking agent and asphalt. More specifically, a modified asphalt composition is provided comprising an oxidized polyethylene, a styrene-butadiene-styrene block copolymer, sulfur, and asphalt. A hot mix asphalt composition is also provided comprising the modified asphalt composition and aggregate. Processes for producing the modified asphalt composition and the hot mix asphalt composition are also provided as well as articles produced from these inventive compositions.
    Type: Grant
    Filed: November 12, 2003
    Date of Patent: April 10, 2007
    Assignees: Eastman Chemical Company, PRI Asphalt Technologies Inc.
    Inventors: Richard Kingsley Stuart, Jr., Jeffery Lynn Presley, Kenneth Francis Grzybowski
  • Bituminous compositions having enhanced performance properties
    Patent number: 5711796
    Abstract: Bituminous compositions of enhanced physical/performance properties comprising an oxidation product of a naturally occurring asphalt from the Orinoco Belt of Venezuela and the bitumen base material, and methods for their preparation.
    Type: Grant
    Filed: October 16, 1995
    Date of Patent: January 27, 1998
    Assignee: Air Products and Chemicals, Inc.
    Inventors: Kenneth Francis Grzybowski, David Reese Jones, IV, William Russell Welliver, Timothy Jay Roth
  • Fire retardant plastic construction material
    Patent number: 5658972
    Abstract: Fire retardant plastic construction materials containing a fire retarding quantity of the oxidation product of certain asphalts.
    Type: Grant
    Filed: November 28, 1995
    Date of Patent: August 19, 1997
    Assignee: Air Products and Chemicals, Inc.
    Inventors: Kenneth Francis Grzybowski, David Reese Jones, IV, William Russell Welliver, Timothy Jay Roth
  • Modified asphalt compositions
    Patent number: RE42165
    Abstract: A modified asphalt composition is provided comprising at least one plastomer, at least one elastomer, at least one crosslinking agent and asphalt. More specifically, a modified asphalt composition is provided comprising an oxidized polyethylene, a styrene-butadiene-styrene block copolymer, sulfur, and asphalt. A hot mix asphalt composition is also provided comprising the modified asphalt composition and aggregate. Processes for producing the modified asphalt composition and the hot mix asphalt composition are also provided as well as articles produced from these inventive compositions.
    Type: Grant
    Filed: December 4, 2008
    Date of Patent: February 22, 2011
    Assignees: Westlake Longview Corp., PRI Asphalt Technologies, Inc.
    Inventors: Richard Kingsley Stuart, Jr., Jeffery Lynn Presley, Kenneth Francis Grzybowski