Patents by Inventor Gonzalo E. Mazuera

Gonzalo E. Mazuera 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).

  • Biaxially oriented multilayer barrier films
    Patent number: 4880706
    Abstract: Films having a core of ethylene-vinyl alcohol copolymer (EVOH) sandwiched between polyolefin, e.g. polypropylene are coextruded so that the polyolefin also encapsulates the EVOH layer on the side edges. The films which can contain adhesive layers are oriented greater than 4 greater in the machines direction and greater than 7 greater in the transverse direction to give excellent oxygen and moisture barrier properties.
    Type: Grant
    Filed: October 5, 1987
    Date of Patent: November 14, 1989
    Assignee: Mobil Oil Corp.
    Inventors: Gonzalo E. Mazuera, John R. Wagner, Jr.