Method of forming a photographic color image

Details Method of forming a photographic color image Method of forming a photographic color image

1994-04-07

1995-08-29

Baxter, Janet C.

Radiation imagery chemistry: process, composition, or product th

Color imaging process

Using identified radiation sensitive composition in the...

430364, 430367, 430373, 430414, 430421, 430427, 430430, 430470, 430943, G03C 700, G03C 7407, G03C 742

Patent

active

054459257

ABSTRACT:
A color image can be obtained from a color photographic element by multiple color development steps. The first color development is carried out in the usual manner after imagewise exposure. The second color development step is carried out after bleaching with a rehalogenating bleaching agent, and is used to develop only rehalogenated silver halide. This specific development is possible by either using a chloride rehalogenating agent in the bleaching solution, using a sulfite fixing agent before bleaching, or by fogging the element between bleaching and the second color development step.

REFERENCES:
patent: 3264107 (1966-08-01), von Wartburg
patent: 4088486 (1978-05-01), Bissonette
patent: 5171658 (1992-12-01), Fyson
patent: 5354647 (1994-10-01), Fyson
Research Disclosure, No. 14846, Aug. 1976, pp. 45-48, by V. L. Bissonette.
Research Disclosure, No. 19208, Apr. 1980, pp. 136-137, Anonymous.
T. H. James, ed., "The Theory of the Photographic Process", 4th ed., New York, Macmillan, 1977, pp. 448-449, 460.
K. Keller, ed., "Science and Technology of Photography", New York, VCH, 1993, pp. 107, 245.

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