# US 5,346,809 A · Rapid-access method of forming a stabilized silver halide color image

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- Number: US 5,346,809 A
- Document ID: US5346809A
- Status: Granted
- Kind: A
- Application number: 07/990,728
- Filed: 1992-12-15
- Granted: 1994-09-13
- Earliest claimed: 1991-12-26
- Assignees: Konica Corporation
- Inventors: Shun Takada; Satoshi Masumi
- Web page: https://patentgrep.com/patent/US5346809A

## CPC

- G03C 7/3013: {Combinations of couplers with active methylene groups and photographic additives}
- G03C 7/407: Development processes or agents therefor {(G03C7/3244 takes precedence)}
- Y10S 430/164: Rapid access processing
- 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)
- Y10S: TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS

## Abstract

A method of photographic color image formation is disclosed. The method gives a color photographic image having high preservability under a condition with a lowered replenishing amount of developer. The method comprises the following steps; (1) imagewise exposing to light a silver halide color photographic light-sensitive material which comprises a support having thereon a silver halide emulsion layer, (2) developing the exposed light-sensitive material with a color developer, (3) bleach-fixing the developed light-sensitive material with a bleach-fixer, and (4) washing the bleach-fixed light-sensitive material, In the above method, the silver halide emulsion layer contains a specified yellow coupler having a molecular weight of not more than 800 and a specified antifungal agent. The developing step is carried out for a time not more than 25 seconds and developer is replenished with a developer replenisher in a ratio of from 20 ml to 150 ml per square meter of light-sensitive material developed the developer. The total time of the developing step, bleach-fixing step and washing step is not more than 2 minutes.

## Claims

### Claim 1

A method of forming a color image comprising steps of
imagewise exposing to light a silver halide color photographic light-sensitive material which comprises a support having thereon a silver halide emulsion layer,
developing said exposed light-sensitive material with a color developer,
bleach-fixing said developed light-sensitive material with a bleach-fixer, and
washing said bleach-fixed light-sensitive material,
wherein said silver halide emulsion layer contains a yellow coupler having a molecular weight of not more than 800 and represented by Formula Y-1 and a compound represented by Formula I, II, III or IV; said developing step is carried out for not more than 25 seconds, and said color developer is replenished with a developer replenisher in a ratio of from 20 ml to 150 ml per square meter of light-sensitive material developed by said developer; and the total time of said developing step, bleach-fixing step and washing step is not more than 2 minutes; ##STR61## wherein R.sub.1 is alkyl, cycloalkyl, or aryl; R.sub.2 is alkyl, cycloalkyl, acyl, or aryl; R.sub.3 is a substituent; Y.sub.1 is an organic group; X.sub.1 is a split off group and n is 0 or 1; ##STR62## wherein R.sup.1 is an alkylene group having 1 to 5 carbon atoms; M is hydrogen, alkali metal, or alkyl; X is halogen, alkyl, cycloalkyl, aryl, carboxyl, amino, hydroxyl, sulfo, nitro, alkoxycarbonyl; m is an integer of 1 to 5 and n is 0 or 1; ##STR63## wherein R.sup.2 is hydrogen, alkyl, cycloalkyl, heterocyclic, alkenyl, aralkyl, aryl, alkoxyl, --CONHR, where R is selected from the group consisting of hydrogen, alkyl, aryl, alkylthio, arylthio, alkylsulfonyl, and arylsulfonyl; R.sup.3 and R.sup.4 are each hydrogen, halogen, alkyl, cycloalkyl, aryl, heterocyclic, cyano, alkylthio, arylthio, alkylsulfoxide, alkylsulfonyl or alkylsulfinyl, R.sup.3 and R.sup.4 may be linked with each other to form a benzene ring which may have a substituent; ##STR64## wherein R.sup.5 and R.sup.6 are each hydrogen, halogen, alkyl, having 1 to 5 carbon atoms, or hydroxymethyl; and R.sup.7 is hydrogen or alkyl having 1 to 5 carbon atoms; ##STR65## wherein R.sup.8 is hydrogen, alkyl, or aryl; R.sup.9 is hydrogen, alkyl, aryl, nitro, carboxyl, sulfo, sulfamoyl, hydroxyl, halogen, alkoxy, or thiazolyl; Z is a group of atoms necessary to form a thiazole ring; and m' is 0 or 1.

### Claim 2 (depends on 1)

The method of claim 1, wherein said yellow coupler is a coupler represented by Formula Y-5; ##STR66## wherein R.sub.1, R.sub.2, R.sub.3, X.sub.1 and n are the same as R.sub.1, R.sub.2, R.sub.3, X.sub.1 and n in Formula Y-1, respectively, J is a --N(R.sub.5)CO-- group or a --CON(R.sub.5)-- group, where R.sub.5 is a hydrogen atom, an alkyl group, an aryl group or a heterocyclic group; p is an integer of 0 or 1; R.sub.7 is an alkylene group, an arylene group, an alkylenearylene group, an arylenealkylene group or a --A--E.sub.1 --B-- group, where A and B are each an alkylene group, an arylene group, an alkylenearylene group or an arylenealkylene group, and E.sub.1 a divalent linking group; R.sub.8 is an alkyl group, a cycloalkyl group, an aryl group or a heterocyclic group; and D is a linking group having a carbonyl unit or a sulfonyl unit.

### Claim 3 (depends on 1)

The method of claim 1, wherein said yellow coupler is contained in said emulsion layer in an amount of from 1.times.10.sup.-3 moles to 1 mole per mole of silver halide.

### Claim 4 (depends on 1)

The method of claim 1, wherein said yellow coupler has a molecular weight of not more than 750.

### Claim 5 (depends on 1)

The method of claim 1, wherein said compound represented by Formula I, II, III or IV is contained in said emulsion layer in an amount of from 1.times.10.sup.-4 g/m.sup.2 to 1.times.10.sup.-2 g/m.sup.2.

### Claim 6 (depends on 1)

The method of claim 1, wherein said compound is a compound represented by Formula II.

### Claim 7 (depends on 1)

The method of claim 1 wherein said color developer contains an aromatic primary amine color developing agent represented by Formula CD-I; ##STR67## wherein R is a straight or branched chain alkylene group having 3 carbon atoms; m and n are each individually an integer of 1 to 4, and Ha is an inorganic or organic acid.

### Claim 8 (depends on 6)

The method of claim 6, wherein said color developer contains said color developing agent in an amount of from 1.5.times.10.sup.-2 moles to 2.times.10.sup.-1 moles per liter.

### Claim 9 (depends on 1)

The method of claim 1, wherein said color developer contains a water soluble chloride in an amount of from 4.0.times.10.sup.-2 moles to 5.0.times.10.sup.-1 moles per liter.

### Claim 10 (depends on 1)

The method of claim 1, wherein said color developing step is carried out for a time of 3 seconds to 20 seconds.

### Claim 11 (depends on 1)

The method of claim 1, wherein said color developer is replenished with said developer replenisher in a ratio of from 20 ml to 120 ml per square meter of light-sensitive material developed said developer.

### Claim 12 (depends on 1)

The method of claim 1, wherein said bleach-fixing step is carried out for a time of from 3 seconds to 45 seconds.

### Claim 13 (depends on 1)

The method of claim 1, wherein said washing step is carried out for a time of from 5 second to 60 seconds.

### Claim 14 (depends on 1)

The method of claim 1, wherein said total time of said steps of developing, bleach-fixing and washing is within the range of from 6 seconds to 90 seconds.

### Claim 15 (depends on 1)

The method of claim 1 wherein said silver halide emulsion layer contains a yellow coupler represented by Formula Y-1, with a molecular weight of not more than 800, and a compound represented by Formula I, II, III, or IV, wherein, in Formula I, X is halogen, alkyl, cycloalkyl, carboxyl, sulfo, nitro, or alkoxycarbonyl.

### Claim 16 (depends on 1)

The method of claim 1 wherein said silver halide emulsion layer contains said yellow coupler, and a compound represented by Formula II.