Patents by Inventor Henri Freisz

Henri Freisz 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 for processing photographic products comprising a fine-grain top layer
    Patent number: 5550010
    Abstract: The present invention relates to a color photographic processing method, and a product for color photography comprising, in addition to the conventional layers of light-sensitive silver halides, a non light-sensitive top layer.The method and photographic product enable sensitivity to be controlled during photographic processing.The invention also makes it possible to prevent deterioration of the processing baths.
    Type: Grant
    Filed: August 31, 1994
    Date of Patent: August 27, 1996
    Assignee: Eastman Kodak Company
    Inventors: Fran.cedilla.ois J. Bredoux, Yannick Begel, Henri Freisz