Silver halide photographic light-sensitive materials

Claim 2

A wet developable silver halide photographic light-sensitive material comprising at least one light-sensitive silver halide emulsion layer on a support, wherein the emulsion in said light-sensitive silver halide emulsion layer comprises a silver iodobromide emulsion containing 3 mol % or more of iodide, and at least one of said light-sensitive emulsion layer or another hydrophilic colloid layer contains a polyoxyethylene surface active agent and at least one of said light-sensitive emulsion layer or another hydrophilic colloid layer contains a meso-ionic triazolium compound represented by formula (I) ##STR9## wherein X represents a sulfur ion or --N--R 4 , and R 1 , R 2 , R 3 , or R 4 each represents a hydrogen atom or a substituted or nonsubstituted alkyl group, aryl group, or heterocyclic group, or R 1 and R 2 , R 2 and R 3 or R 3 and R 4 can together form a heterocyclic ring.

Claim 3

A silver halide photographic light-sensitive material as in claim 1, wherein the silver iodobromide emulsion has an iodide content of from 3 to 10 mol %.

Claim 4

A silver halide photographic light-sensitive material as in claim 1, wherein said polyoxyethylene surface active agent comprises 2 or more oxyethylene groups.

Claim 5

A silver halide photographic light-sensitive material as in claim 1, wherein said polyoxyethylene surface active agent comprises from 5 to 50 oxyethylene groups.

Claim 6

A silver halide photographic light-sensitive material as in claim 2, wherein said polyoxyethylene surface active agent comprises 2 or more oxyethylene groups.

Claim 7

A silver halide photographic light-sensitive material as in claim 1, wherein said polyoxyethylene surface active agent is selected from the group consisting of surface active agents represented by formulae (II-1), (II-2), and (II-3) ##STR10## wherein R 11 represents a substituted or nonsubstituted alkyl, alkenyl or aryl group having from 1 to 30 carbon atoms; A represents --O--, --S--, --COO--, ##STR11## wherein R 24 represents a hydrogen atom or a substituted or nonsubstituted alkyl group; R 12 , R 13 , R 17 , R 19 , R 21 , and R 23 each reepresents a hydrogen atom, a substituted or nonsubstituted alkyl group, an aryl group, an alkoxy group, a halogen atom, an acyl group, an amide group, a sulfonamide group, a carbamoyl group, or a sulfamoyl group; R 16 , R 18 , R 20 , and R 22 each represents a substituted or nonsubstituted alkyl group, an aryl group, an alkoxy group, a halogen atom, an acyl group, an amide group, a sulfonamide group, a carbamoyl group, or a sulfamoyl group; R 14 and R 15 each represents a hydrogen atom, or a substituted or nonsubstituted alkyl, aryl or heteroaromatic group; or R 14 and R 15 , R 16 and R 17 , R 18 and R 19 , R 20 and R 21 , and R 22 and R 23 can together form a substituted or nonsubstituted ring; n 1 , n 2 , n 3 , and n 4 refer to the average degree of polymerization of the ethylene oxide, each is a number of 5 to 50; and m refers to the average degree of polymerization of the main chain of formula (II-2) and is a number of from 5 to 50.

Claim 8

A silver halide photographic light-sensitive material as in claim 2, wherein said polyoxyethylene surface active agent is selected from the group consisting of surface active agents represented by formulae (II-1), (II-2), and (II-3) ##STR12## wherein R 11 represents a substituted or nonsubstituted alkyl, alkenyl or aryl group having from 1 to 30 carbon atoms; A represents --O--, --S--, --COO--, ##STR13## wherein R 24 represents a hydrogen atom or a substituted or nonsubstituted alkyll group; R 12 , R 13 , R 17 , R 19 , R 21 , and R 23 each represents a hydrogen atom, a substituted or nonsubstituted alkyl group, an aryl group, an alkoxy group, a halogen atom, an acyl group, an amide group, a sulfonamide group, a carbamoyl group, or a sulfamoyl group; R 16 , R 18 , R 20 , and R 22 each represents a substituted or nonsubstituted alkyl group, an aryl group, an alkoxy group, a halogen atom, an acyl group, an amide group, a sulfonamide group, a carbamoyl group, or a sulfamoyl group; R 14 and R 15 each represents a hydrogen atom, or a substituted or nonsubstituted alkyl, aryl or heteroaromatic group; or R 14 and R 15 , R 16 and R 17 , R 18 and R 19 , R 20 and R 21 , and R 22 and R 23 can together form a substituted or nonsubstituted ring; n 1 , n 2 , n 3 , and n 4 refer to the average degree of of polymerization of the ethylene oxide, each is a number of 5 to 50; and m refers to the average degree of polymerization of the main chain of formula (II-2) and is a number of from 5 to 50.

Claim 9

A silver halide photographic light-sensitive material as in claim 6, wherein R 11 represents an alkyl, alkenyl or alkylaryl group having from 4 to 24 carbon atoms; R 12 , R 13 , R 16 , R 17 , R 18 , R 20 , R 21 , R 22 and R 23 each represents a substituted or nonsubstituted alkyl group having from 1 to 20 carbon atoms, a substituted or nonsubstituted aryl group, a substituted or nonsubstituted alkoxy group represented by --OR 25 , wherein R 25 represents a substituted or nonsubstituted alkyl group having from 1 to 20 carbon atoms or an aryl group, a halogen atom, an acyl group represented by --COR 25 wherein R 25 has the above meaning, an amide group represented by --NR 26 COR 25 wherein R 25 has the above meaning and wherein R 26 represents a hydrogen atom or an alkyl group having from 1 to 20 carbon atoms, a sulfonamide group represented by --NR 26 SO 2 R 25 , a carbamoyl group represented by ##STR14## or a sulfamoyl group represented by ##STR15## where R 25 and R 26 have the above meanings, and R 12 , R 13 , R 17 , R 19 , and R 23 can each be a hydrogen atom; R 14 and R 15 each represents a hydrogen atom, a substituted or nonsubstituted alkyl group, or a substituted or nonsubstituted aryl group; or R 14 and R 15 , R 16 and R 17 , R 18 and R 19 , R 20 and R 21 , and R 22 and R 23 together can form a substituted or nonsubstitutd ring; and n 1 , n 2 , n 3 , and n 4 each is a number of from 5 to 30.

Claim 10

A silver halide photographic light-sensitive material as in claim 7, wherein R 11 represents an alkyl, alkenyl or alkylaryl group having from 4 to 24 carbon atoms; R 12 , R 13 , R 16 , R 17 , R 18 , R 20 , R 21 , R 22 and R 23 each represents a substituted or nonsubstituted alkyl group having from 1 to 20 carbon atoms, a substituted or nonsubstituted aryl group, a substituted or nonsubstituted alkoxy group represented by --OR 25 , wherein R 25 represents a substituted or nonsubstituted alkyl group having from 1 to 20 carbon atoms or an aryl group, a halogen atom, an acyl group representd by --COR 25 wherein R 25 has the above meaning, an amide group represented by --NR 26 COR 25 wherein R 25 has the above meaning and wherein R 26 represents a hydrogen atom or an alkyl group having from 1 to 20 carbon atoms, a sulfonamide group represented by --NR 26 SO 2 R 25 , a carbamoyl group represented by ##STR16## or a sulfamoyl group represented by ##STR17## where R 25 and R 26 have the above meanings, and R 12 , R 13 , R 17 , R 19 , and R 23 can each be a hydrogen atom; R 14 and R 15 each represents a hydrogen atom, a substituted or nonsubstitited alkyl group, or a substituted or nonsubstituted aryl group; or R 14 and R 15 , R 16 and R 17 , R 18 and R 19 , R 20 and R 21 , and R 22 and R 23 together can form a substituted or nonsubstituted ring; and n 1 , n 2 , n 3 , and n 4 each is a number of from 5 to 30.

Claim 11

A silver halide photographic light-sensitive material as in claim 8, wherein R 11 is selected from a hexyl group, a dodecyl group, an isostearyl group, an oleyl group, a t-butylphenyl group, a 2,4-di-t-butylphenyl group, a 2,4-di-t-pentylphenyl group, a p-dodecylphenyl group, a m-pentadecaphenyl group, a t-octylphenyl group, a 2,4-dinonylphenyl group, or an octylnaphthyl group; R 16 , R 18 , R 20 , and R 22 each represents an alkyl group or a halogen atom, and R 17 , R 19 , R 21 , and R 23 each represents a hydrogen atom; and R 14 and R 15 each represents a hydrogen atom, an alkyl group having from 1 to 8 carbon atoms, a phenyl group, or a furyl group.

Claim 12

A silver halide photographic light-sensitive material as in claim 6, wherein the polyoxyethylene surface active agent is selected from those represented by formulae (II-2) and (II-3).

Claim 13

A silver halide photographic light-sensitive material as in claim 8, wherein the polyoxyethylene surface active agent is selected from those represented by formulae (II-2) and (II-3).

Claim 14

A silver halide photographic light-sensitive material as in claim 10, wherein the polyoxyethylene surface active agent is selected from those represented by formulae (II-2) and (II-3).

Claim 15

A silver halide photographic light-sensitive material as in claim 6, wherein said polyoxyethylene surface active agent is a compound represented by formula (II-3).

Claim 16

A silver halide photographic light-sensitive material as in claim 1, wherein the meso-ionic triazolium compound represented by formula (I) is present in a range of from 5×10 -6 to 5×10 -2 to mols per mol of silver and the polyoxyethylene type surface active agent is present in a range of from 0.05 to 500 mg per m 2 of the photographic light-sensitive material.

Claim 17

A silver halide photographic light-sensitive material as in claim 1, wherein said light-sensitive silver halide emulsion layer further comprises a silver halide emulsion in which the inside is fogged.

Claim 18

A silver halide photographic light-sensitive material as in claim 16, wherein the sensitivity of said silver halide emulsion in which the inside is fogged is 1/10 or less the sensitivity of said silver iodobromide emulsion.

Claim 19

A silver halide photographic light-sensitive material as in claim 17, wherein said silver halide emulsion in which the inside is fogged has an average particle size of from 1.0 to 0.05 μm.

Claim 20

A silver halide photographic light-sensitive material as in claim 18, wherein said average particle size is from 0.6 to 0.1 μm.

Claim 21

A silver halide photographic light-sensitive material as claim 16, wherein the weight ratio of the silver iodobromide to the silver halide in which the inside is fogged is from 1/100 to 100/1.

Claim 22

A silver halide photographic light-sensitive material as claim 16, wherein the total amount of silver halides coated is from 0.5 to 10 g/cm 2 calculated as silver.

Claim 23

A process comprising developing an image-wise exposed silver halide photographic light-sensitive material with a developing solution to form an image, said silver halide photographic light-sensitive material comprising a support having thereon at least one light-sensitive silver halide emulsion layer, wherein at least one emulsion in said light-sensitive silver halide emulsion layer comprises a silver iodobromide emulsion containing 3 mol% or more of iodide, and at least one of said at least one light-sensitive emulsion layer or another hydrophilic colloid layer contains a polyoxyethylene surface active agent and at least one of said at least one light-sensitive emulsion layer or another hydrophilic colloid layer contains a meso-ionic traiazolium compound represented by formula (I) ##STR18## wherein X represents a sulfur ion or --N--R 4 , and R 1 , R 2 , R 3 or R 4 each represents a hydrogen atom or a substituted or unsubstituted alkyl group, an aryl group or a heterocyclic group, or R 1 and R 2 , R 2 and R 3 or R 3 and R 4 can together form a heterocyclic ring.

Claim 24

A process comprising developing an image-wise exposed silver halide photographic light-sensitive material with a developing solution to form an image, said silver halide photographic light-sensitive material comprising a support having thereon at least one light-sensitive silver halide emulsion layer, wherein at least one emulsion in said light-sensitive silver halide emulsion layer comprises a silver iodobromide emulsion containing 3 mol% or more of iodide, and at least one of said at least one light-sensitive emulsion layer or another hydrophilic colloid layer contains a polyoxyethylene surface active agent and at least one of said at least one light-sensitive emulsion layer or another hydrophilic colloid layer contains a meso-ionic traiazolium compound represented by formula (I) ##STR18## wherein X represents a sulfur ion or --N--R 4 , and R 1 , R 2 , R 3 or R 4 each represents a hydrogen atom or a substituted or unsubstituted alkyl group, an aryl group or a heterocyclic group, or R 1 and R 2 , R 2 and R 3 or R 3 and R 4 can together form a heterocyclic ring.

Claim 25

A process as in claim 22, wherein the silver iodobromide emulsion has an iodide content of from 3 to 10 mol%.

Claim 26

A process as in claim 22, wherein said polyoxyethylene surface active agent comprises 2 or more oxyethylene groups.

Claim 27

A process as in claim 22, wherein said polyoxyethylene surface active agent is selected from the group consisting of surface active agents represented by formulae (II-1), (II-2) and (II-3) ##STR19## wherein R 11 represents a substituted or unsubstituted alkyl, alkenyl or aryl group having from 1 to 30 carbon atoms; A represents --O--, --S--, --COO--, ##STR20## wherein R 24 represents a hydrogen atom or a substituted or unsubstituted alkyl group; R 12 , R 13 , R 17 , R 19 , R 21 and R 23 each represents a hydrogen atom, a substituted or unsubstituted alkyl group, an aryl group, an alkoxy group, a halogen atom, an acyl group, an amide group, a sulfonamide group, a carbamoyl group, or a sulfamoyl group; R 16 , R 18 , R 20 and R 22 each represents a substituted or unsubstituted alkyl group, an aryl group, an alkoxy group, a halogen atom, an acyl group, an amide group, a sulfonamide group, a carbamoyl group or a sulfamoyl group; R 14 and R 15 , R 16 and R 17 , R 18 and R 19 , R 20 and R 21 , and R 22 and R 23 can together form a substituted or unsubstituted ring; n 1 , n 2 , n 3 and n 4 refer to the average degree of polymerization of the ethylene oxide, and each is a number of 5 to 50; and m refers to the average degree of polymerization of the main chain of formula (II-2) and is a number of from 5 to 50.

Claim 28

A process as in claim 25, wherein R 11 represents an alkyl, alkenyl or alkylaryl group having from 4 to 24 carbon atoms; R 12 , R 13 , R 16 , R 17 , R 18 , R 20 , R 21 , R 22 and R 23 each represents a substituted or nonsubstituted alkyl group having from 1 to 20 carbon atoms, a substituted or nonsubstituted aryl group, a substituted or nonsubstituted alkoxy group represented by --OR 25 , wherein R 25 represents a substituted or nonsubstituted alkyl group having from 1 to 20 carbon atoms or an aryl group, a halogen atom, an acyl group represented by --COR 25 wherein R 25 has the above meaning, an amide group represented by --NR 26 COR 25 wherein R 25 has the above meaning and wherein R 26 represents a hydrogen atom or an alkyl group having from 1 to 20 carbon atoms, a sulfonamide group represented by --NR 26 SO 2 R 25 , a carbamoyl group represented by ##STR21## or a sulfamoyl group represented by ##STR22## where R 25 and R 26 have the above meanings, and R 12 , R 13 , R 17 , R 19 , and R 23 can each be a hydrogen atom; R 14 and R 15 each represents a hydrogen atom, a substituted or nonsubstituted alkyl group, or a substituted or nonsubstituted aryl group; or R 14 and R 15 , R 16 and R 17 , R 18 and R 19 , R 20 and R 21 , and R 22 and R 23 together can form a substituted or nonsubstituted ring; and n 1 , n 2 , n 3 , and n 4 each is a number of from 5 to 30.

Claim 29

A process as in claim 22, wherein the meso-ionic triazolium compound represented by formula (I) is present in a range of from 5×10 -6 to 5×10 -2 to mols per mol of silver and the polyoxyethylene surface active agent is present in a range of from 0.05 to 500 mg per m 2 of the photographic light-sensitive material.

Claim 30

A process as in claim 22, wherein said light-sensitive silver halide emulsion layer further comprises a silver halide emulsion in which the inside is fogged.

Claim 31

A silver halide photographic light-sensitive material as in claim 1, wherein the silver iodobromide emulsion has an iodide content of from 4 to 10 mol%.

Claim 32

A process as in claim 22, wherein the silver iodobromide emulsion has an iodide content of from 4 to 10 mol%.