| Patent Number |
Title Of Patent |
Date Issued |
| 6824965 |
Bleach bath |
November 30, 2004 |
| A bleach or bleach/fixing solution for processing photographic silver halide materials which, relative to the silver halide content of the unprocessed material, exhibit prior to the bleaching step a content of silver arising from development of at least 65 mol %, in particular for pr |
| 6251574 |
Color photographic developer concentrate |
June 26, 2001 |
| A one-part, multi-phase colour developer concentrate having an aqueous phase and an organic phase, wherein the organic phase is constituted by a carboxylic acid amide or urea derivative which is liquid at room temperature and the concentrate contains at least one compound of the form |
| 5976772 |
Bleach-fixing bath for color photographic material |
November 2, 1999 |
| A bleach/fixing bath, characterized in that it contains, apart from the active and auxiliary substances necessary for bleach/fixing, a phosphonocarboxylic acid having at least two carboxylic acid groups per molecule, is lower in odor and more stable than conventional bleaching baths. |
| 5731133 |
Process for the production of a chromogenically developed color photographic image using a compo |
March 24, 1998 |
| The storage stability of photographic color images obtained by chromogenic development may be improved by compounds of the formula I, which are capable of reacting with primary amines, in particular color developer compounds (reagent for primary amines). The compounds of the formula may |
| 5601968 |
Color photographic silver halide material |
February 11, 1997 |
| A color photographic silver halide material with a support and at least one silver halide emulsion layer applied thereto which contains at least one 2-equivalent pyrazolone magenta coupler of the formula (I) ##STR1## with the substituents having the meanings stated in the specificati |
