Patents by Inventor Marcia Blais

Marcia Blais 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: 5547764
    Abstract: The present invention is a method of producing low oxygen-transmissive films having PVOH coatings through the utilization of a PVOH solution which includes at least two PVOH resins having differing degrees of hydrolysis. The present invention is also a low oxygen-transmissive film manufactured by this method.
    Type: Grant
    Filed: December 22, 1994
    Date of Patent: August 20, 1996
    Assignee: Mobil Oil Corporation
    Inventors: Marcia Blais, Anthony R. Knoerzer