# US 5,707,787 A · Processing solution for silver halide photographic light-sensitive materials

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- Number: US 5,707,787 A
- Document ID: US5707787A
- Status: Granted
- Kind: A
- Application number: 08/105,308
- Filed: 1993-08-11
- Granted: 1998-01-13
- Earliest claimed: 1991-09-11
- Assignees: Konica Corporation
- Inventors: Kenji Kuwae; Yutaka Ueda
- Web page: https://patentgrep.com/patent/US5707787A

## CPC

- G03C 5/3053: {Tensio-active agents or sequestering agents, e.g. water-softening or wetting agents}
- G03C 7/3046: {Processing baths not provided for elsewhere, e.g. final or intermediate washings}
- G03C 7/42: Bleach-fixing or agents therefor {; Desilvering processes}
- G03C 7/421: {Additives other than bleaching or fixing agents}
- G03C: PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES (for photomechanical purposes G03F); PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY (photographic processes characterised by the use or manipulation of apparatus classifiable per se in subclass G03B, see G03B; photomechanical production of textured or patterned surfaces G03F; electrophotography, magnetography G03G)

## Abstract

A processing solution for processing an exposed silver halide photographic light-sensitive material comprises a compound represented by the following formula (A): ##STR1## wherein A.sub.1, A.sub.2, A.sub.3 and A.sub.4 each represent --COOM.sub.1, --OH, --PO.sub.3 M.sub.1 M.sub.2 or --CONH.sub.2 in which M.sub.1 and M.sub.2 each represent a hydrogen ion, an alkali metal ion or another cation; R.sub.1, R.sub.2, R.sub.3 and R.sub.4 each represent a hydrogen atom, a lower alkyl group or a hydroxyl group; n.sub.1, n.sub.2, n.sub.3 and n.sub.4 each represent an integer of 0, 1 or 2, provided that none of R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are hydrogen atoms when n.sub.1 +n.sub.2 =1 and n.sub.3 +n.sub.4 =1; and X represents a substituted or unsubstituted alkylene group having 2 to 6 carbon atoms or --(B.sub.1 O)m-B.sub.2 -- in which B.sub.1 and B.sub.2 each represent a substituted or unsubstituted alkylene group having 1 to 5 carbon atoms, and m is an integer of from 1 to 4.

## Claims

### Claim 1

A process for processing a silver halide photographic light-sensitive material, comprising the steps of:
exposing the material;
developing the exposed material with a developer; and
bleaching or bleach-fixing the developed material with a solution containing a ferric complex salt of a compound represented by the following Formula (A): ##STR10## wherein A.sub.1, A.sub.2, A.sub.3 and A.sub.4 each represent --COOM.sub.1, --OH.sub.1, --PO.sub.3 M.sub.1 M.sub.2 or --CONH.sub.2 in which M.sub.1 and M.sub.2 each represent a hydrogen ion, an alkali metal ion or another cation, R.sub.1, R.sub.2, R.sub.3 and R.sub.4 each represent a hydrogen atom, a methyl group or a hydroxyl group; n.sub.1, n.sub.2, n.sub.3 and n.sub.4 each represent an integer of 0, 1 or 2, provided that none of R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are hydrogen atoms when n.sub.1 +n.sub.2 =1 and n.sub.3 +n.sub.4 =1; and X represents a substituted or unsubstituted alkylene group having 2 to 6 carbon atoms or --(B.sub.1 O)m-B.sub.2 -- in which B.sub.1 and B.sub.2 each represent a substituted or unsubstituted alkylene group having 1 to 5 carbon atoms, and m is an integer of from 1 to 4; and further provided that when n.sub.1 =n.sub.3 =0 and n.sub.2 =n.sub.4 =1, or n.sub.1 =n.sub.3 =1 and n.sub.2 =n.sub.4 =0, said compound represented by said Formula (A) does not consist essentially of an optical isomer about the carbon atoms to which the nitrogen atoms are directly bonded.

### Claim 2 (depends on 1)

The process of claim 1, wherein said n.sub.1 and n.sub.3 each represent 0, provided that none of R.sub.2 and R.sub.4 are hydrogen atoms when n.sub.2 =1 and n.sub.4 =1; and X represents an ethylene, trimethylene or tetramethylene group or --(B.sub.1 O).sub.m -B.sub.2 -- in which B.sub.1 and B.sub.2 each represent a methylene, ethylene or trimethylene group and m is an integer of 1 or 2.

### Claim 3 (depends on 1)

The process of claim 1, wherein said compound is at least one selected from the group consisting of the following Formulae A-1, A-2, A-4 and A-23: ##STR11##

### Claim 4 (depends on 1)

The process of claim 1, wherein said solution further contains ammonium ion in an amount of not more than 50 mol % based on the total cation content.

### Claim 5

A process for processing a silver halide photograhic light-sensitive material, comprising the steps of:
exposing the material;
developing the exposed material with a developer;
bleaching or bleach fixing the developed material with a bleach or bleach-fixer;
fixing the bleached or bleach-fixed material with a fixer; and
stabilizing the fixed material with a stabilizer, wherein said developer, said fixer or said stabilizer contains a compound represented by the following Formula (A): ##STR12## wherein A.sub.1, A.sub.2, A.sub.3 and A.sub.4 each represent --COOM.sub.1, --OH, --PO.sub.3 M.sub.1 M.sub.2 or --CONH.sub.2 in which M.sub.1 and M.sub.2 each represent a hydrogen ion, an alkali metal ion or another cation; R.sub.1, R.sub.2, R.sub.3 and R.sub.4 each represent a hydrogen atom, a methyl group or a hydroxyl group; n.sub.1, n.sub.2, n.sub.3 and n.sub.4 each represent an integer of 0, 1 or 2, provided that none of R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are hydrogen atoms when n.sub.1 +n.sub.2 =1 and n.sub.3 +n.sub.4 =1; and X represents a substituted or unsubstituted alkylene group having 2 to 6 carbon atoms or --(B.sub.1 O)m-B.sub.2 -- in which B.sub.1 and B.sub.2 each represent a substituted or unsubstituted alkylene group having 1 to 5 carbon atoms, and m is an integer of 1 to 4; and further provided that when n.sub.1 =n.sub.3 =0 and n.sub.2 =n.sub.4 =1, or n.sub.1 =n.sub.3 =1 and n.sub.2 =n.sub.4 =0, said compound represented by said Formula (A) does not consist essentially of an optical isomer about the carbon atoms to which the nitrogen atoms are directly bonded.

### Claim 6 (depends on 5)

The process of claim 5, wherein said n.sub.1 and n.sub.3 each represent 0, provided that none of R.sub.2 and R.sub.4 are hydrogen atoms when n.sub.2 =1 and n.sub.4 =1; and X represents an ethylene, trimethylene or tetramethylene group or --(B.sub.1 O)m-B.sub.2 -- in which B.sub.1 and B.sub.2 each represent a methylene, ethylene or trimethylene group and m is an integer of 1 or 2.

### Claim 7 (depends on 5)

The process of claim 5, wherein said compound is at least one selected from the group consisting of the following Formulae A-1, A-2, A-4 and A-23: ##STR13##