Patents by Inventor David W. Mabrey

David W. Mabrey 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).

  • Dicyclopentadiene-tris(2-hydroxyethyl)isocyanurate-modified polyesters
    Patent number: 4623696
    Abstract: This invention relates to:(1) Unsaturated polyesters modified with dicyclopentadienes (DCPD) and tris(2-hydroxyethyl)isocyanurate (THEIC)(2) Blends of such polyesters with polymerizable ethylenically unsaturated monomers(3) The cured products of (1) and (2), and(4) The use of such products in a wide variety of applications including electrical applications, sheets and films thereof, both non-reinforced and reinforced, "B" stage resins, etc.These compositions possess excellent properties and bond strengths at high temperatures.
    Type: Grant
    Filed: May 2, 1985
    Date of Patent: November 18, 1986
    Assignee: The P. D. George Company
    Inventors: David W. Mabrey, James M. Dye
  • Isocyanurate-type polymers
    Patent number: 4446300
    Abstract: This invention relates to polymers prepared by reacting cyanuric acid and ethylene carbonate in situ to form the corresponding Tris(2-hydroxyethyl)isocyanurate-containing polymers including polyesters, polyester-imides, polyester-amide-imides, oil-modified derivatives thereof, etc. This invention also relates to such products employed as electrical insulation.
    Type: Grant
    Filed: June 27, 1983
    Date of Patent: May 1, 1984
    Assignee: The P. D. George Company
    Inventors: David W. Mabrey, Daniel J. Lange, Daniel J. Lee