Patent ID: 6403290
Filing Date: 2002-06-11
Classification: G03C

Abstract:
A method for providing a color image in a color photographic silver halide element comprising contacting said element with a photographic color developing composition that, when in aqueous form, has a pH of from about 7 to about 13 and comprises:a) at least 0.0005 mol/l of a color developing agent in free base form, b) at least 0.0005 mol/l of an antioxidant for said color developing agent, c) at least 0.0005 mol/l of a polyaminopolyphosphonic acid or salt thereof that has at least five phosphonic acid groups, and d) at least 0.00005 mol/l of a diphosphonic acid or salt thereof that is either: a hydroxyalkylidene disphosphonic acid or a salt thereof, or morpholinomethanedisphosphonic acid or a salt thereof.