Patents by Inventor Emil Patrick Lira

Emil Patrick Lira 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).

  • Modified clay paper coating
    Patent number: 4038097
    Abstract: A modified clay paper coating composition comprising a montmorillonite clay having at least partially hydrolyzed aluminum chloride bonded thereto is made by treating montmorillonite clay with a non-aqueous solution of anhydrous aluminum chloride following by hydrolyzing with hot water. A paper substrate coated with this composition exhibits improved image light fastness when employed in a pressure-sensitive duplication system.
    Type: Grant
    Filed: March 14, 1975
    Date of Patent: July 26, 1977
    Assignee: International Minerals & Chemical Corporation
    Inventors: James T. Traxler, Emil Patrick Lira, John F. Kraemer