Patents by Inventor Donna Trainor

Donna Trainor 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).

  • Hot melt gaskets
    Patent number: 4870128
    Abstract: A hot melt gasket for a closure having improved cracking and cut-through resistant properties comprising one or more copolymers of ethylene and an olefinic carboxylic acid. Preferably, a hot melt gasket comprised of one or more ethylene-acrylic acid and/or ethylene-methacrylic acid copolymers. The hot melt gasket is particularly useful in closures which are subjected to elevated temperatures and/or excessive headloads, such as warehoused products and pasteurized food stuffs.
    Type: Grant
    Filed: March 18, 1989
    Date of Patent: September 26, 1989
    Assignee: W. R. Grace & Co.-Conn.
    Inventors: Marysusan Couturier, Donna Trainor