Patents by Inventor Frank W. Hale

Frank W. Hale 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).

  • Fire shielding composite structures
    Patent number: 4997716
    Abstract: A fire retarding and fire shielding structural panel for a vehicle, comprising at least one compressed composite composed of a thermoplastic or thermosetting resin matrix containing a multiplicity of non-flammable carbonaceous fibers.
    Type: Grant
    Filed: December 16, 1988
    Date of Patent: March 5, 1991
    Assignee: The Dow Chemical Company
    Inventors: Francis P. McCullough, Jr., R. Vernon Snelgrove, Frank W. Hale, Jeanne M. Giroux, David M. Hall
  • Method of improving the flame retarding and fire blocking characteristics of a fiber tow or yarn
    Patent number: 4950540
    Abstract: Flame retarding and fire barrier structure comprising a blend of carbonaceous fibers and natural and/or synthetic fibers. The carbonaceous fibers have a nitrogen content of 5 to 35%, an LOI value of greater than 40 and are derived from stabilized acrylic fibers.
    Type: Grant
    Filed: July 11, 1989
    Date of Patent: August 21, 1990
    Assignee: The Dow Chemical Company
    Inventors: Francis P. McCullough, Jr., R. Vernon Snelgrove, Frank W. Hale, David M. Hall
  • Flame retarding and fire blocking fiber blends
    Patent number: 4879168
    Abstract: Flame retarding and fire barrier structure comprising a blend of carbonaceous fibers and natural and/or synthetic fibers. The carbonaceous fibers have a nitrogen content of 5 to 35%, an LOI value of greater than 40 and are derived from stabilized acrylic fibers.
    Type: Grant
    Filed: October 28, 1987
    Date of Patent: November 7, 1989
    Assignee: The Dow Chemical Company
    Inventors: Francis P. McCullough, Jr., Frank W. Hale, R. Vernon Snelgrove, David M. Hall