Patent ID: 6482579
Filing Date: 2002-11-19
Classification: G03C

Abstract:
A method of photographic processing comprising bleaching or bleach-fixing an imagewise exposed and color developed color negative photographic silver halide element with a photographic bleaching or bleach-fixing composition that in aqueous form has a pH of at least 4 and comprises:a) at least 0.01 mol/l of a bleaching agent that comprises ferric ion chelated with 1,3-propylenediaminetetraacetic acid or a salt thereof, b) at least 0.005 mol/l of an organic polyphosphonic acid, an aminopolysuccinic acid, or a polycarboxylic acid containing at least one hydroxy group as a compound to prevent bleaching agent precipitation, and c) at least 0.0005 mol/l of inorganic phosphate ions that are introduced directly to said bleaching or bleach-fixing composition or by carryover.