Patents by Inventor Edward W. Zezinka

Edward W. Zezinka 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).

  • Method of coating a plastic substrate with an aqueous coating composition for plastic substrates
    Patent number: 5300326
    Abstract: A method of coating plastic substrates involves applying an aqueous coating composition to the surface of a plastic substrate and allowing the coating composition to dry and form a film. The coating composition contains an aqueous polyolefin dispersion and an aqueous polyurethane dispersion.
    Type: Grant
    Filed: August 9, 1993
    Date of Patent: April 5, 1994
    Assignee: PPG Industries, Inc.
    Inventors: Edward W. Zezinka, Susan K. Vicha, Charles M. Kania
  • Aqueous coating composition for plastic substrates
    Patent number: 5258444
    Abstract: Aqueous coating compositions containing an aqueous chlorinated polyolefin dispersion and an aqueous polyurethane dispersion are disclosed. These coating compositions are particularly useful for coating plastic substrates. A method of coating plastic substrates comprising the use of these coating compositions and a coated plastic article prepared by the above method are also disclosed.
    Type: Grant
    Filed: January 22, 1993
    Date of Patent: November 2, 1993
    Assignee: PPG Industries, Inc.
    Inventors: Edward W. Zezinka, Susan K. Vicha, Charles M. Kania