Processing Additive Containing Patents (Class 430/486)
  • Patent number: 4186004
    Abstract: A process of forming color images comprises imagewise exposing a silver halide photographic color image-transfer product comprising an image dye-providing compound in the presence of a silver halide developer, and treating the exposed photographic product with an alkaline processing composition in the presence of an amino acid or a combination of an acid and an amine. Color images are achieved having excellent image discrimination (Dmax-Dmin).
    Type: Grant
    Filed: September 29, 1977
    Date of Patent: January 29, 1980
    Assignee: Eastman Kodak Company
    Inventors: Jean Deabriges, Yves Ferre, Claude Goumont