Patents by Inventor Patrick W. Lambert

Patrick W. Lambert 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).

  • X-ray intensifying screen including a titanium activated hafnium dioxide phospher containing europium to reduce afterglow
    Patent number: 4980559
    Abstract: An intensifying screen is disclosed containing a phosphor composition comprised of monoclinic crystals of a titanium activated hafnia phosphor host containing europium ions to reduce afterglow. A phosphor composition in which zirconia is at least partially substituted for hafnia is also disclosed.
    Type: Grant
    Filed: November 15, 1989
    Date of Patent: December 25, 1990
    Assignee: Eastman Kodak Company
    Inventors: Philip S. Bryan, Patrick W. Lambert, Christine M. Towers, Gregory S. Jarrold