Patents by Inventor Marcel L. Riveccie

Marcel L. Riveccie 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).

  • Photographic element containing a cyclic thioether compound
    Patent number: 4752560
    Abstract: This invention is directed to a photographic element containing a radiation-sensitive silver halide emulsion layer and a cyclic thioether compound comprised of at least one oxygen atom and at least three sulfur atoms, each of said atoms being separated from one another by a divalent alkylene group.
    Type: Grant
    Filed: September 8, 1986
    Date of Patent: June 21, 1988
    Assignee: Eastman Kodak Company
    Inventors: Rejane R. Benard, Gerard Friour, Marcel L. Riveccie