Patents by Inventor Robert E. Booms

Robert E. Booms 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: 4439520
    Abstract: High aspect ratio chemically and spectrally sensitized tabular grain silver halide emulsions, photographic elements incorporating these emulsions, and processes for the use of the photographic elements are disclosed. In the tabular grain emulsions the silver halide grains having a thickness of less than 0.3 micron and a diameter of at least 0.6 micron have a high aspect ratio and account for at least 50 percent of the total projected area of the silver halide grains present.
    Type: Grant
    Filed: September 30, 1982
    Date of Patent: March 27, 1984
    Assignee: Eastman Kodak Company
    Inventors: James T. Kofron, Robert E. Booms, Cynthia G. Jones, John A. Haefner, Herbert S. Wilgus, Francis J. Evans
  • Patent number: 4420556
    Abstract: Granularity of silver halide photographic materials is reduced by employing a coupler which yields a dye of such mobility that controlled image smearing occurs.
    Type: Grant
    Filed: September 10, 1981
    Date of Patent: December 13, 1983
    Assignee: Eastman Kodak Company
    Inventors: Robert E. Booms, Colin Holstead