Patents by Inventor Judith A. Tweedie

Judith A. Tweedie 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).

  • Cure orientation by incorporation of curatives into a carrier
    Patent number: 5319026
    Abstract: In order to increase the modulus properties of a rubber compound it is desirable to achieve control of the cure morphology within a rubber matrix. The placement of curatives in a rubber matrix can be controlled by incorporating the curatives into a carrier and mixing the carrier with a rubber compound. In a preferred embodiment, the carrier can be made having the morphology of a short fiber, and the curatives can be oriented like a short fiber.
    Type: Grant
    Filed: May 3, 1993
    Date of Patent: June 7, 1994
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Bruce R. Hahn, Judith A. Tweedie
  • Polyester composition which is particularly suitable for use in thermoforming thin walled articles
    Patent number: 4996269
    Abstract: This invention relates to a thermoplastic resin composition which is particularly suitable for use in thermoforming thin walled articles. The thermoplastic resin compositions are comprised of (1) from about 94 to about 99 weight percent polyethylene naphthalate and (2) from about 1 to 6 weight percent of at least one polyester elastomer. The subject invention also deals with thermoforming such thermoplastic resin compositions into articles, such as food trays, having a crystallinity within the range of about 10% to about 40%.
    Type: Grant
    Filed: March 13, 1987
    Date of Patent: February 26, 1991
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Donald E. Richeson, Judith A. Tweedie