Patents by Inventor Isabelle Fleury

Isabelle Fleury 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 of treating a seasoned ascorbic acid developer
    Patent number: 5843629
    Abstract: The present invention concerns a method of treating a seasoned ascorbic acid developer for developing silver halide photographic products. The method of the invention comprises the step of treating the developer through a resin having a greater selectivity for bromide ions than for carbonate ions. This method enables ascorbic acid developers to be regenerated efficaciously.
    Type: Grant
    Filed: August 15, 1997
    Date of Patent: December 1, 1998
    Assignee: Eastman Kodak Company
    Inventors: Isabelle Fleury, Philippe Strauel
  • Method for the electro-oxidation of photographic solutions
    Patent number: 5688393
    Abstract: The invention concerns a method for the treatment by electrolysis of used photographic solutions, in particular those containing developers for X-ray films, in an electrolysis cell comprising at least one platinum anode and at least one cathode. According to the invention, a current density profile is used, and the current density at the start of electrolysis does not exceed 50% of the maximum density of the electrolysis current. The invention enables the quantity of foam formed during electrolysis to be reduced.
    Type: Grant
    Filed: April 9, 1996
    Date of Patent: November 18, 1997
    Assignee: Eastman Kodak Company
    Inventor: Isabelle Fleury