Patents by Inventor Fred Levitt

Fred Levitt 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).

  • Barrier coatings for films and structures
    Patent number: 8080297
    Abstract: The invention provides coated substrates comprising a substrate; and a coating on at least one surface of the substrate comprising vermiculite, polymer capable of forming a film, dispersion agent for the vermiculite in the polymer, said dispersion agent bearing a negative charge, and cross-linking agent. The invention also provides articles coated with such coatings and methods for making the coated substrates and articles.
    Type: Grant
    Filed: April 30, 2007
    Date of Patent: December 20, 2011
    Assignee: NanoPack, Inc.
    Inventors: Howard S. Kravitz, Fred Levitt
  • Barrier Coatings For Films And Structures
    Publication number: 20070254160
    Abstract: The invention provides coated substrates comprising a substrate; and a coating on at least one surface of the substrate comprising vermiculite, polymer capable of forming a film, dispersion agent for the vermiculite in the polymer, said dispersion agent bearing a negative charge, and cross-linking agent. The invention also provides articles coated with such coatings and methods for making the coated substrates and articles.
    Type: Application
    Filed: April 30, 2007
    Publication date: November 1, 2007
    Applicant: NanoPak, Inc.
    Inventors: Howard Kravitz, Fred Levitt