Patents by Inventor Edward J. Heiser

Edward J. Heiser 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).

  • Coatings containing plastic polymeric pigments
    Patent number: 3949138
    Abstract: A light weight coating comprising a convenient binder such as starch and small colorless plastic, polymeric particles which remain discrete and retain a diameter of about one wavelength of visible light. The coating, prepared by dispersing the plastic, polymeric particles in an aqueous media containing the binder, may then be applied to a paper substrate in a conventional manner.
    Type: Grant
    Filed: September 19, 1974
    Date of Patent: April 6, 1976
    Assignee: The Dow Chemical Company
    Inventor: Edward J. Heiser