Patents by Inventor John Zern

John Zern 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
    Publication number: 20060078740
    Abstract: A barrier coating comprising the reaction product of a polymeric material and an acid is disclosed. Methods for improving the barrier of a substrate, and substrates treated according to this method are also disclosed.
    Type: Application
    Filed: October 7, 2004
    Publication date: April 13, 2006
    Inventors: John Zern, Ken Niederst
  • Microporous sheets with barrier coatings
    Publication number: 20050196601
    Abstract: Microporous sheets coated with barrier coatings are disclosed.
    Type: Application
    Filed: March 4, 2005
    Publication date: September 8, 2005
    Inventors: Lawrence Fitzgerald, Brian Woodworth, Walter Kasper, John Zern, Ken Niederst