Patents by Inventor Richard T. Marzolf

Richard T. Marzolf 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).

  • Bubble-free, high barrier vinylidene chloride polymer films and process of preparation
    Patent number: RE29040
    Abstract: This invention is directed to improved bubble-free, high barrier film materials prepared from substantially plasticizer-free vinylidene chloride polymer compositions containing small amounts of magnesium oxide; and to a process for the preparation of such improved films.
    Type: Grant
    Filed: September 19, 1975
    Date of Patent: November 16, 1976
    Assignee: The Dow Chemical Company
    Inventor: Richard T. Marzolf