Patents by Inventor Mario G. Umana

Mario G. Umana 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).

  • Flexible packaging laminate films including a block copolymer layer
    Patent number: 7569281
    Abstract: What is claimed is a flexible packaging film having improved toughness without compromise of other physical properties. The flexible packaging film is a laminate of at least two film layers of a polyolefin and at least one film layer of a block copolymer. The block copolymer employed in the present invention is a selectively hydrogenated high vinyl block copolymer.
    Type: Grant
    Filed: April 21, 2006
    Date of Patent: August 4, 2009
    Assignee: Kraton Polymers U.S. LLC
    Inventors: Mario G. Umana, Huan Yang