Patents by Inventor Paul E. Nangeroni

Paul E. Nangeroni 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).

  • Diffusion transfer photosensitive film unit for silver transfer image
    Patent number: 5858608
    Abstract: There are described diffusion transfer photosensitive film units which include a novel antihalation layer comprising an antihalation material, titanium dioxide and a binder. Diffusion transfer film units prepared according to the invention provide silver images of enhanced resolution, film speed and sharpness.
    Type: Grant
    Filed: October 16, 1997
    Date of Patent: January 12, 1999
    Assignee: Polaroid Corporation
    Inventors: Barry B. Corden, Fredric N. Cramer, Paul E. Nangeroni
  • Photographic image including an ink-acceptable surface
    Patent number: 5554483
    Abstract: There is disclosed a photographic image including an ink-acceptable surface thereon. The photographic image may be formed by known conventional or diffusion transfer techniques. The ink-acceptable surface is formed by applying an aqueous mixture of a polymeric mordant material over the photograph and forming a relatively clear dry coating thereon. The subject coating provides an ink-acceptable surface upon the photograph which accepts and retains ink applied thereto and resist the remove of such ink therefrom.
    Type: Grant
    Filed: December 13, 1995
    Date of Patent: September 10, 1996
    Assignee: Polaroid Corporation
    Inventors: Thomas G. DeNoto, Paul E. Nangeroni, David F. Oberhauser