Photographic color developer solution and a process for the deve

Details Photographic color developer solution and a process for the deve Photographic color developer solution and a process for the deve

1991-02-20

1991-11-05

Van Le, Hoa

Radiation imagery chemistry: process, composition, or product th

Post imaging processing

Developing

430434, 430435, 430464, 430428, 430484, G03C 530

Patent

active

050631446

ABSTRACT:
Development of a color photographic material in which the emulsion layers contain silver halide grains with a chloride content of at least 80 mol % can be completed within 40 seconds by using a substantially bromide free color photographic developer solution containing, in 1 liter of aqueous solution ready for use, from 4 to 15 g of the developer corresponding to the following formula ##STR1## or a corresponding quantity of its salts, from 8 to 35 g of PO.sub.4.sup.3- ions, at least 0.2 g of antioxidant, from 0.5 to 5.0 g of KCl and other conventional components and adjusted to a pH of from 10.4 to 12.9.

REFERENCES:
patent: 4161406 (1979-07-01), Bulloch
patent: 4756997 (1988-07-01), Marcherano
patent: 4851326 (1989-07-01), Ishikawa et al.
U.S. Application Ser. No. 07/290,351 filed on 12/27/88.

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