Silver halide photographic light-sensitive material

Claim 2

A silver halide photographic light-sensitive material comprising a support having thereon at least one silver halide emulsion layer wherein the silver halide emulsion layer has been chemically-ripened in the presence of at least one compound containing a unit represented by the formula ##STR11## wherein M represents a hydrogen atom, an alkali metal atom, or NH 4 , and further, wherein said compound is represented by formula (I), (II), (III) or (IV) ##STR12## wherein M is defined as above; and R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 7 , and R 8 each represent a hydrogen atom, a halogen atom, a nitro group, a sulfo group, a carboxy group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group, or an alkoxy group; W represents --O--, --S-- or R 11 --N<; X represents ##STR13## together with Y; Y represents --O--, --S--, ##STR14## Z represents --O--, --S--, R 19 --N< or ##STR15## R 9 , R 10 , R 12 , R 13 , R 14 , R 15 , R 17 , R 19 , R 20 , and R 21 each represent a hydrogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group, an alkoxy group, a halogen atom, a sulfo group, or a carboxy group; R 14 and R 15 may be connected to each other to form a condensed ring; and R 11 , R 16 , and R 19 each represent a hydrogen atom or a substituted or unsubstituted alkyl group and wherein the silver halide emulsion is sensitized with a sulfur sensitizer or noble metal sensitizer.

Claim 3

A silver halide photographic light-sensitive material as in claim 1, wherein said compound is represented by formula (I), (III) or (IV).

Claim 4

A silver halide photographic light-sensitive material as in claim 2, wherein said compound is represented by formula (I).

Claim 5

A silver halide photographic light-sensitive material as in claim 1, or 2, wherein R 9 , R 10 , R 12 , R 13 , R 14 , R 15 , R 17 , R 18 , R 20 and R 21 can each represent a hydrogen atom or an unsubstituted alkyl group.

Claim 6

A silver halide photographic light-sensitive material as in claim 1 or 2, wherein R 11 , R 16 , and R 19 each represent a hydrogen atom.

Claim 7

A silver halide photographic light-sensitive material as in claim 1, wherein said compound is added to the silver halide emulsion before completion of the chemical-ripening.

Claim 8

A silver halide photographic light-sensitive material as in claim 1, wherein said compound is added to the silver halide emulsion during a step of precipitation of silver halide grains.

Claim 9

A silver halide photographic light-sensitive material as in claim 1, wherein said compound is added to the silver halide emulsion during a physical ripening step.

Claim 10

A silver halide photographic light-sensitive material as in claim 1, wherein said compound is added to the silver halide emulsion in a chemical-ripening step.

Claim 11

A silver halide photographic light-sensitive material as in claim 1, wherein said compound is added to the silver halide emulsion before a physical ripening step or in a physical ripening step in an amount of from 0.05 to 200 g per mol of silver halide.

Claim 12

A silver halide photographic light-sensitive material as in claim 1, wherein said compound is added to the silver halide emulsion in a chemical-ripening step in an amount of from 0.001 to 10 g per mol of silver halide

Claim 13

A silver halide photographic light-sensitive material as in claim 1, wherein said compound is present in the silver halide emulsion layer in an amount of from 0.001 to 10 g per mol of silver halide.

Claim 14

A silver halide photographic light-sensitive material as in claim 1, wherein said compound is present in the silver halide emulsion layer in an amount from 0.005 to 3 g per mol of silver halide.

Claim 15

A silver halide photographic light-sensitive material as in claim 1, wherein the chemical sensitizer is a noble metal sensitizer.

Claim 16

A silver halide photographic light-sensitive material as in claim 1, wherein the chemical sensitizer is a sulfur sensitizer.

Claim 17

A silver halide photographic light-sensitive material as claimed in claim 14, wherein the noble metal sensitizer is present in an amount of from 10 -9 to 10 -3 mol per mol of silver halide.

Claim 18

A silver halide photographic light-sensitive material as in claim 15, wherein the sulfur sensitizer is present in an amount of from 5×10 -6 to 10 -2 mol per mol of silver halide.

Claim 19

A silver halide photographic light-sensitive material as in claim 1, where the mean grain size of the silver halide grains in the silver halide emulsion is from 0.1 to 3 microns.

Claim 20

A silver halide photographic light-sensitive material as in claim 10, wherein the addition of the compound is conducted at a temperature of from 30° to 90° C., a pH of from 1 to 11, and a pAg of from 5 to 11.

Claim 21

A silver halide photographic light-sensitive material as in claim 19, wherein the addition of the compound is conducted at a temperature from 40° C. to 80° C., a pH of from 2 to 9, and a pAg of from 7.8 to 10.5.

Claim 22

A silver halide photographic light-sensitive material as in claim 11, wherein the compound is added to the silver halide emulsion at a temperature of from 30° to 80° C., a pH of from 3.0 to 8.5, and a pAg of from 7.0 to 9.5.

Claim 23

A silver halide photographic light-sensitive material as in claim 21, wherein the compound is added to the silver halide emulsion at a temperature of from 40° to 70° C., a pH of from 5.0 to 7.5, and a pAg of from 8.0 to 9.3.

Claim 24

A process for producing a silver halide photographic light-sensitive material, comprising the steps of: (1) precipitating silver halide grains to obtain a silver halide emulsion; (2) physically ripening the silver halide grains of the silver halide emulsion; (3) chemically ripening the physically ripened silver halide grains of the silver halide emulsion with a sulfur or noble metal sensitizer; (4) adding additives to the chemically ripened silver halide emulsion; and (5) coating the silver halide emulsion onto a support; wherein a compound containing an unit represented by the formula ##STR16## wherein M represents a hydrogen atom, an alkali metal atom, or NH 4 , and further, wherein said compound is represented by formula (I), (II), (III) or (IV) ##STR17## wherein M is defined as above; and R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 7 , and R 8 each represent a hydrogen atom, a halogen atom, a nitro group, a sulfo group, a carboxy group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group, or an alkoxy group; W represents --O--, --S-- or R 11 --N<; X represents ##STR18## together with Y; Y represents --O--, --S--, ##STR19## Z represents --O--, --S--, R 19 --N< or ##STR20## R 9 , R 10 , R 12 , R 13 , R 14 , R 15 , R 17 , R 19 , R 20 , and R 21 , each represent a hydrogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group, an alkoxy group, a halogen atom, a sulfo group, or a carboxy group; R 14 and R 15 may be connected to each other to form a condensed ring; and R 11 , R 16 , and R 19 each represent a hydrogen atom or a substituted or unsubstituted alkyl group, is added to the silver halide emulsion before completion of the chemical ripening step.

Claim 25

A process for producing a silver halide photographic light-sensitive material, comprising the steps of: (1) precipitating silver halide grains to obtain a silver halide emulsion; (2) physically ripening the silver halide grains of the silver halide emulsion; (3) chemically ripening the physically ripened silver halide grains of the silver halide emulsion with a sulfur or noble metal sensitizer; (4) adding additives to the chemically ripened silver halide emulsion; and (5) coating the silver halide emulsion onto a support; wherein a compound containing an unit represented by the formula ##STR16## wherein M represents a hydrogen atom, an alkali metal atom, or NH 4 , and further, wherein said compound is represented by formula (I), (II), (III) or (IV) ##STR17## wherein M is defined as above; and R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 7 , and R 8 each represent a hydrogen atom, a halogen atom, a nitro group, a sulfo group, a carboxy group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group, or an alkoxy group; W represents --O--, --S-- or R 11 --N<; X represents ##STR18## together with Y; Y represents --O--, --S--, ##STR19## Z represents --O--, --S--, R 19 --N< or ##STR20## R 9 , R 10 , R 12 , R 13 , R 14 , R 15 , R 17 , R 19 , R 20 , and R 21 , each represent a hydrogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group, an alkoxy group, a halogen atom, a sulfo group, or a carboxy group; R 14 and R 15 may be connected to each other to form a condensed ring; and R 11 , R 16 , and R 19 each represent a hydrogen atom or a substituted or unsubstituted alkyl group, is added to the silver halide emulsion before completion of the chemical ripening step.