Patents by Inventor John A. Naumovitz

John A. Naumovitz 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: 5002989
    Abstract: The present invention is a formulated barrier composition containing tetrasodium pyrophosphate or magnesium hydroxide, high density polyethylene, epoxidzed vegetable oil, oxidized polyolefin and a paraffin or polyolefin wax. The composition has a substantially lower oxygen permeability than existing compositions and is at least equally extrudable.
    Type: Grant
    Filed: September 1, 1989
    Date of Patent: March 26, 1991
    Assignee: The Dow Chemical Company
    Inventors: John A. Naumovitz, Steven R. Jenkins, Mark J. Hall, Stephen R. Betso