Patents by Inventor Gaetan J. Mairesse

Gaetan J. Mairesse 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 minimizing the aerial oxidation of photographic developers
    Patent number: 6149798
    Abstract: The invention concerns a method for decreasing the oxygen content of the atmosphere above photographic processing baths. The method comprises using a solid electrolyte which is a compound of bismuth, vanadium or another transition metal. The oxidation in air is thus minimized and the life of the bath is extended.
    Type: Grant
    Filed: November 13, 1998
    Date of Patent: November 21, 2000
    Assignee: Eastman Kodak Company
    Inventors: Didier J. Martin, Olivier J. Poncelet, Jean-Claude F. Boivin, Gaetan J. Mairesse, Guy J. Nowogrocki