Patents by Inventor W. Michael Warner

W. Michael Warner 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).

  • High impact strength polyamide blends and method for preparation thereof
    Patent number: 5061757
    Abstract: High impact strength resin compositions and methods of preparations thereof. The compositions contain at least 60% polyamide together with an elastomer and a polymeric emulsifier. The elastomer is preferably a copolymer of ethylene and an acrylic ester, and the emulsifier is preferably an ethylene/acrylic ionomer with at least about 50% of the carboxyl groups neutralized by displacement of a proton with a metal ion. In a particularly preferred embodiment, the polyamide is dispersed in a continuous elastomeric phase.
    Type: Grant
    Filed: January 23, 1989
    Date of Patent: October 29, 1991
    Assignee: Bemis Company, Inc.
    Inventor: W. Michael Warner