Color correction in negative images using positive imaging chemi

Details Color correction in negative images using positive imaging chemi Color correction in negative images using positive imaging chemi

1986-08-27

1988-05-24

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Transfer procedure between image and image layer, image...

Diffusion transfer process, element, or identified image...

430222, 430241, 430242, 430359, 430212, 430236, G03C 554, G03C 726

Patent

active

047465921

ABSTRACT:
Color correction of negative images resulting from diffusion transfer photographic recording materials is obtained through use of two dye image-providing compounds, each of which is capable of releasing a diffusible dye. One of the dye image-providing compounds releases a diffusible dye as a result of silver halide development whereas the other compound releases dye in areas where no development occurs.

REFERENCES:
patent: 3585028 (1971-06-01), Stephens
patent: 4139379 (1979-02-01), Chasman et al.
patent: 4199355 (1980-04-01), Hinshaw et al.
patent: 4379604 (1983-02-01), Van de Sande et al.
patent: 4391896 (1983-07-01), Maier et al.
The Theory of the Photographic Process, Mees, 4th Ed., 1977, MacMillan Publishing Co., pp. 571-572.

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