Patents by Inventor Steven R. Dunkle

Steven R. Dunkle 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).

  • Liquid crystalline polymer blends and molded articles therefrom
    Patent number: 5492946
    Abstract: A molded article having improved weld line strength, fabricated from a polymer blend composition comprising at least one liquid crystalline polymer and at least one additional polymer, wherein the composition has a crystallization rate lower than said at least one liquid crystalline polymer.
    Type: Grant
    Filed: July 28, 1994
    Date of Patent: February 20, 1996
    Assignee: Amoco Corporation
    Inventors: Paul J. Huspeni, John F. Petry, Roger W. Nelson, Steven R. Dunkle
  • Polyester molding compositions
    Patent number: 4687795
    Abstract: Polyester compositions having present a small amount of a salt of salicyclic acid and a cation of a metal from Group IA of the periodic Table of Elements, for example sodium salicylate, have been found to have good crystalization and other properties.
    Type: Grant
    Filed: December 24, 1984
    Date of Patent: August 18, 1987
    Assignee: Allied Corporation
    Inventors: Steven R. Dunkle, John C. Haylock
  • Impact modified polyester blends
    Patent number: 4659767
    Abstract: Impact modified polyester blends are provided which are blends of a saturated polyester such as poly(ethylene terephthalate) and an impact modifying amount of a combination of a core-shell polymer and a copolymer of an alpha-olefin having 2 to 8 carbon atoms and a monomer selected from an unsaturated carboxylic acid having 3 to 8 carbon atoms and salts and anhydrides thereof.
    Type: Grant
    Filed: January 10, 1985
    Date of Patent: April 21, 1987
    Assignee: Allied Corporation
    Inventors: Steven R. Dunkle, Charles D. Mason