Patents by Inventor Jacques Bulou

Jacques Bulou 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).

  • Patent number: 6040123
    Abstract: A final rinsing solution designed for the photographic processing of silver halide photographic products that comprises an anionic surfactant and a non-ionic surfactant the solution had a static surface tension less than or equal to 32 mN/m and a dynamic surface tension less than 50 mN/m. The solution is used in a method for processing silver halide photographic products such as color reversal products.
    Type: Grant
    Filed: May 28, 1999
    Date of Patent: March 21, 2000
    Assignee: Eastman Kodak Company
    Inventors: Cecile A. Maudhuit, Jacques Bulou
  • Patent number: 5457987
    Abstract: The invention relates to a surface tension sensor for a liquid flow. The device according to the present invention includes a measuring probe formed of a wettable cylinder, the cross section circumference of which does not exhibit any concave portion and the distance of which between the isobaricenter of the cross section and any point on the circumference is less than 3 mm, the ratio between the maximum distance of a point on the circumference to the isobaricenter and the minimum distance of a point on said circumference to the isobaricenter being less or equal to 2. Application relates to the surface tension measuring of photographic compositions on a photographic coating device.
    Type: Grant
    Filed: March 4, 1994
    Date of Patent: October 17, 1995
    Assignee: Eastman Kodak Company
    Inventors: Jacques Bulou, Jean-Marie Raynal