Patents by Inventor Derrick C. Tabor

Derrick C. Tabor 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).

  • Dye polymers
    Patent number: 5051351
    Abstract: Dye copolymers are disclosed represented by the formula: ##STR1## where A, B, C, D, x, y, and z are as defined herein. The dye polymers are useful as sensitizing dyes for silver halide in photographic compositions.
    Type: Grant
    Filed: June 22, 1989
    Date of Patent: September 24, 1991
    Assignee: Eastman Kodak Company
    Inventors: Derrick C. Tabor, Mridula Nair
  • J-aggregating dye polymers as spectral sensitizers for silver halide photographic compositions
    Patent number: 4950587
    Abstract: Dye polymers are disclosed that J-aggregate in solution and when adsorbed to silver halide. These polymers comprise polymer repeat units having covalently bonded thereto cyanine dye units comprising two benzimidazole nuclei, in an amount sufficient to J-aggregate.
    Type: Grant
    Filed: September 2, 1988
    Date of Patent: August 21, 1990
    Assignee: Eastman Kodak Company
    Inventors: Michael R. Roberts, Derrick C. Tabor, Paul B. Gilman