Patents by Inventor Matthew Koschak

Matthew Koschak 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).

  • Patent number: 4501798
    Abstract: An unbalanced multiple layer polymeric film having good interfacial adhesions has a first molecularly oriented polymeric surface layer of nylon on one surface thereof, and a second molecularly oriented polymeric surface layer of a heat sealable ethylene-based polymer or copolymer on the other surface thereof. Films are disclosed having interior functional layers of EVOH and HDPE, along with adhesive polymers selected for good interfacial adhesion after orientation of the film in the machine direction. Processes for making and orienting the films are also disclosed.
    Type: Grant
    Filed: May 5, 1983
    Date of Patent: February 26, 1985
    Assignee: American Can Company
    Inventors: Matthew Koschak, Scott S. Super, Jerry F. Jesse