Silver halide photographic material

Claim 2

A photosensitive silver halide photographic element comprising a support having thereon a silver halide emulsion layer and at least one hydrophilic colloid layer containing a solid micrograin dispersion of a compound represented by the following general formula (I) in an amount from 1 to 1000 mg per 1 m 2 of the photographic element surface area: ##STR40## wherein, T 0 represents a group having a structure according to formula (i): --CO--NHG.sup.1 (i) wherein G 1 represents a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heterocyclic group; T 1 and T 2 each independently represents a hydrogen atom, a halogen atom or a cyano, nitro, carboxy, alkyl, aryl, alkoxy, aryloxy, alkylthio, arylthio, alkylsulfonyl, arylsulfonyl, sulfamoyl, carbamoyl, amino, sulfonamido, carbonamido, ureido, sulfamoylamino, hydroxyl, alkenyl or acyl group, R 3 and R 4 each independently represents a hydrogen atom, a halogen atom or an alkoxy, alkyl, alkenyl, aryloxy or aryl group, R 5 and R 6 each independently represents a hydrogen atom or a group in which hydrogen atom substitution is possible, and R 7 and R 8 each independently represents an alkyl, aryl, vinyl, acyl or alkyl- or arylsulfonyl group, provided that rings may be formed by linkage of T 1 with T 2 , R 3 with R 5 , R 4 with R 6 , R 7 with R 8 , R 5 with R 7 and R 6 with R 8 ; wherein the silver halide emulsion layer and the at least one hydrophilic colloid layer may be the same or different; and wherein the micrograins of the dispersion have an average diameter of 10 microns or less.

Claim 3

The silver halide photographic element of claim 1, wherein the 1 to 4 substituents of the solid micrograin dispersion compound have an acid dissociation constant pKa in the range of 4 to 11.

Claim 4

The silver halide photographic element of claim 1, wherein the solid micrograin dispersion compound has the following formula (Ia): ##STR41## wherein G 1 , R 3 , R 4 , R 5 , R 6 , R 7 , and R 8 , are as previously defined, Z represents a benzene ring or an atomic group needed for forming a 5 or 6 member hereto-ring, and R 2 represents a group selected from the groups as defined for R 5 and R 6 .

Claim 5

The silver halide photographic element of claim 1, which also contains tabular emulsion grains with an average aspect ratio of 5 or more.

Claim 6

A photosensitive silver halide photographic element comprising a support having thereon a silver halide emulsion layer and at least one hydrophilic colloid layer containing a solid micrograin dispersion of a compound represented by the following general formula (I) in an amount from 1 to 1000 mg per 1 m 2 of the photographic element surface area: ##STR42## wherein, T 0 represents a group having a structure according to formula (ii): --SO.sub.2 --NG.sup.2 G.sup.3 (ii) wherein G 2 represents a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heterocyclic group, and wherein G 3 represents a substituted or unsubstituted alkyl group, a substituted or unsubsituted aryl group, or a substituted or unsubstituted heterocyclic group, T 1 and T 2 each independently represents a hydrogen atom, a halogen atom or a cyano, nitro, carboxy, alkyl, aryl, alkoxy, aryloxy, alkylthio, arylthio, alkylsulfonyl, arylsulfonyl, sulfamoyl, carbamoyl, amino, sulfonamido, carbonamido, ureido, sulfamoylamino, hydroxyl, alkenyl or acyl group, R 3 and R 4 each independently represents a hydrogen atom, a halogen atom or an alkoxy, alkyl, alkenyl, aryloxy or aryl group, R 5 and R 6 each independently represents a hydrogen atom or a group in which hydrogen atom substitution is possible, and R 7 and R 8 each independently represents an alkyl, aryl, vinyl, acyl or alkyl- or arylsulfonyl group, provided that rings may be formed by linkage of T 1 with T 2 , R 3 with R 5 , R 4 with R 6 , R 7 with R 8 , R 5 with R 7 and R 6 with R 8 ; wherein the silver halide emulsion layer and the at least one hydrophilic colloid layer may be the same or different; and wherein the micrograins of the dispersion have an average diameter of 10 microns or less.

Claim 7

A photosensitive silver halide photographic element comprising a support having thereon a silver halide emulsion layer and at least one hydrophilic colloid layer containing a solid micrograin dispersion of a compound represented by the following general formula (I) in an amount from 1 to 1000 mg per 1 m 2 of the photographic element surface area: ##STR42## wherein, T 0 represents a group having a structure according to formula (ii): --SO.sub.2 --NG.sup.2 G.sup.3 (ii) wherein G 2 represents a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heterocyclic group, and wherein G 3 represents a substituted or unsubstituted alkyl group, a substituted or unsubsituted aryl group, or a substituted or unsubstituted heterocyclic group, T 1 and T 2 each independently represents a hydrogen atom, a halogen atom or a cyano, nitro, carboxy, alkyl, aryl, alkoxy, aryloxy, alkylthio, arylthio, alkylsulfonyl, arylsulfonyl, sulfamoyl, carbamoyl, amino, sulfonamido, carbonamido, ureido, sulfamoylamino, hydroxyl, alkenyl or acyl group, R 3 and R 4 each independently represents a hydrogen atom, a halogen atom or an alkoxy, alkyl, alkenyl, aryloxy or aryl group, R 5 and R 6 each independently represents a hydrogen atom or a group in which hydrogen atom substitution is possible, and R 7 and R 8 each independently represents an alkyl, aryl, vinyl, acyl or alkyl- or arylsulfonyl group, provided that rings may be formed by linkage of T 1 with T 2 , R 3 with R 5 , R 4 with R 6 , R 7 with R 8 , R 5 with R 7 and R 6 with R 8 ; wherein the silver halide emulsion layer and the at least one hydrophilic colloid layer may be the same or different; and wherein the micrograins of the dispersion have an average diameter of 10 microns or less.

Claim 8

The silver halide photographic element of claim 5, wherein the solid micrograin dispersion compounds have the following formula (Ib): ##STR43## wherein G 2 , G 3 , R 3 , R 4 , R 5 , R 6 , R 7 , and R 8 are as previously definded, Z represents a benzene ring or an atomic group needed for forming a 5 or 6 member heteroring, and R 2 represents a group selected from the groups as defined for R 5 and R 6 .

Claim 9

The silver halide photographic element of claim 5, wherein the 1 to 4 substituents of the solid micrograin dispersion compound have an acid dissociation constant pKa in the range of 4 to 11.

Claim 10

The silver halide photographic element of claim 5, wherein the solid micrograin dispersion compound has the following formula (Ib): ##STR44## wherein G 2 , G 3 , R 3 , R 4 , R 5 , R 6 , R 7 , and R 8 are as previously defined, Z represents a benzene ring or an atomic group needed for forming a 5 or 6 member hetero-ring, and R 2 represents a group selected from the groups as defined for R 5 and R 6 .

Claim 11

The silver halide photographic element of claim 5, which also contains tabular emulsion grains with an average aspect ratio of 5 or more.

Claim 12

The silver halide photographic element of claim 8, wherein G 2 represents a heterocyclic group or represents a group which is substituted by groups having a Hammet substituent constant of o m or o p that is greater than 0.23.