Patents by Inventor Derek John Winter

Derek John Winter 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).

  • Gas barrier coating system for polymeric films and rigid containers
    Patent number: 7303797
    Abstract: A water-borne gas barrier coating composition for polymeric films and shaped containers, including a two-layer coating system with a laminar layer mineral in the gas barrier layer, which is particularly well suit for spray application to biaxially oriented injection stretch blow molded PET bottles for carbonated beverages and beer.
    Type: Grant
    Filed: January 13, 2000
    Date of Patent: December 4, 2007
    Assignee: E.I. du Pont de Nemours and Company
    Inventors: Robert J. Barsotti, Derek John Winter