Patents by Inventor Roy A. Bubel

Roy A. Bubel 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: 5407751
    Abstract: Multi-layer films having an outer sealant layer which readily delaminates from the adjacent sealant layer are disclosed. For retort applications, preferably one of the outer or adjacent sealant layers is comprised of a majority of ethylene moieties and the other of the outer or adjacent sealant layers is comprised of a majority of propylene moieties. The film is especially well-suited for use as a lidstock sealed to a container, such as a tray.
    Type: Grant
    Filed: April 1, 1992
    Date of Patent: April 18, 1995
    Assignee: American National Can Company
    Inventors: Roger P. Genske, Roy A. Bubel