Patents by Inventor Donald C. Hylton

Donald C. Hylton 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).

  • Process of making oriented film or structure
    Patent number: 5468440
    Abstract: Applications of isotactic polypropylene resin compositions produced from metallocene catalyst wherein the resins yield articles with comparable shear modulus and heat distortion temperature values to those of conventional polypropylene, but in which the fabrication of the article is achieved at temperatures much lower than possible for conventional polypropylene.
    Type: Grant
    Filed: May 6, 1994
    Date of Patent: November 21, 1995
    Assignee: Exxon Chemical Patents Inc.
    Inventors: James J. McAlpin, Jeffrey W. C. Kuo, Donald C. Hylton