Light-sensitive silver halide color photographic material and a process for developing thereof

Claim 2

A light-sensitive silver halide colour photographic material, which comprises a development releasing inhibitor compound which liberates a development inhibiter and simultaneously produces a colorless compound on reacting with an oxidation product of a color developing agent, and a photographic hardening agent, said development releasing inhibitor compound comprising: ##STR58## wherein Z, together with the ##STR59##group, represents an alicyclic ring selected from the group consisting of 5-, 6- and 7-membered rings; and a heterocyclic ring selected from the group consisting of a piperidone, a lactone having a 4- to 7-membered ring, a pyrrolidone, a hydantoin and an oxyindole, each of which ring may be substituted and may have condensed rings, and Y represents a group that forms a development inhibitor when the sulfur atom of the thioether bond is split from the said ring to release an aryl mercapto compound, a heterocyclic mercapto compound, a thioglycol, cysteine or glutathione, and said hardening agent is selected from the group consisting of ##STR60##

Claim 3

A light-sensitive silver halid colour photogrphic material as claimed in claim 1, wherin Z is, together with the ##STR61##group, an alicyclic ring or heterocyclic ring containing an oxygen, nitrogen or sulfur atom, which ring has 5, 6 or 7 atoms, is saturated or unsaturated, and is unsubstituted or substituted with one or more of alkyl, aryl, alkoxyl, acyl, alkoxy-carbonyl, halogen, cyano, nitro, sulfonamido, acylamino and -S-Y radicals, and may form a condensed ring.

Claim 4

A light-sensitive silver halide colour photographic material as claimed in claim 2, wherein Z, together with the ##STR62##group, is selected from the groups consisting of cyclopentanone, cyclohexanone, cyclohexenone, 2-, 3- and 4-piperidone, a lactam having a 5, 6, or 7 membered ring, pyrrolidone, hydantoin, thiohydantoin, indanone, benzcyclohexenone, benzcycloheptenone and oxyindole.

Claim 5

A light-sensitive silver halide colour photographic material as claimed in claim 1 wherein --S--Y represents a radical capable of splitting off and forming a compound having development inhibiting action selected from the group consisting of 1-phenyl-2-mercaptotetrazole, 1-nitrophenyl-5-mercaptotetrazole, 1-naphthyl-5-mercaptotetrazole, 2-mercaptothiazole, mercaptobenzthiazole, mercaptonaphthothiazole, mercapto-oxadiazole, mercaptopiperidine, 2-mercaptothiadiazolotriazine, mercaptotriazine, mercaptobenzene, 1-mercapto-2-benzoic acid, 1-mercapto-2-nitrobenzene, and 1-mercapto-3-heptadecanoylaminobenzene.

Claim 6

A process for developing an imagewise exposed light-sensitive silver halide photographic material in the presence of a development releasing inhibitor compound, which liberates a development inhibitor and simultaneously produces a substantially colorless compound on reacting with an oxidation reaction product of a color developing agent, and a photographic hardening agent, said development releasing inhibitor compound comprising: ##STR63## wherein Z, together with the ##STR64##group, represents an alicyclic ring selected from the group consisting of 5-, 6- and 7-membered rings, and a heterocyclic ring selected from the group consisting of a piperidone, a lactone having a 4- to 7-membered ring, a pyrrolidone, a hydantoin and an oxyindole, each of which ring may be substituted and may have condensed rings, and Y represents a group that forms a development inhibitor when the sulfur atom of the thioether bond is split from the said ring to release an aryl mercapto compound, a heterocyclic mercapto compound, a thioglycol, cysteine or glutathione, and said hardening agent is selected from the group consisting of ##STR65##

Claim 7

A process for developing an imagewise exposed light-sensitive silver halide photographic material in the presence of a development releasing inhibitor compound, which liberates a development inhibitor and simultaneously produces a substantially colorless compound on reacting with an oxidation reaction product of a color developing agent, and a photographic hardening agent, said development releasing inhibitor compound comprising: ##STR63## wherein Z, together with the ##STR64##group, represents an alicyclic ring selected from the group consisting of 5-, 6- and 7-membered rings, and a heterocyclic ring selected from the group consisting of a piperidone, a lactone having a 4- to 7-membered ring, a pyrrolidone, a hydantoin and an oxyindole, each of which ring may be substituted and may have condensed rings, and Y represents a group that forms a development inhibitor when the sulfur atom of the thioether bond is split from the said ring to release an aryl mercapto compound, a heterocyclic mercapto compound, a thioglycol, cysteine or glutathione, and said hardening agent is selected from the group consisting of ##STR65##

Claim 8

A process as claimed in claim 5, wherein Z together with the ##STR66##group is an alicyclic ring or heterocyclic ring containing an oxygen, nitrogen or sulfur atom, which ring has 5, 6, or 7 atoms, is saturated or unsaturated, and is unsubstituted or substituted with one or more of alkyl, aryl, alkoxyl, acyl, alkoxycarbonyl, halogen, cyano, nitro, sulfonamido, acylamino and -S-Y radicals, and may form a condensed ring.

Claim 9

A process as claimed in claim 6, wherein Z together with the ##STR67##group is selected from the group consisting of cyclopentanone, cyclohexanone, cyclohexenone, 2-, 3- and 4-piperidone, a lactam having a 5, 6, or 7 membered ring, pyrrolidone, hydantoin, thiohydantoin, indanone, benzcyclohexenone, benzcycloheptenone and oxyindole.

Claim 10

A process as claimed in claim 5, wherein --S--Y represents a radical capable of splitting off and forming a compound having development inhibiting action selected from the group consisting of 1-phenyl-2-mercaptotetrazole, 1-nitrophenyl-5-mercaptotetrazole, 1-naphthyl-5-mercaptotetrazole, 2-mercaptothiazole, mercaptobenzthiazole, mercaptonaphthothiazole, mercaptooxadiazole, mercaptopiperidine, 2-mercaptothiadizolotriazine, mercaptotriazine, mercaptobenzene, 1-mercapto-2-benzoic acid, 1-mercapto-2-nitrobenzene, heptadecanoylaminobenzene and 1-mercapto-3-heptadecanoylaminobenzene.

Claim 11

A light-sensitive silver halide colour photographic material as claimed in Claim 1, wherein said development releasing inhibitor compound is selected from the group consisting of ##STR68##

Claim 12

A process as claimed in claim 5, wherein said development releasing inhibitor compound is selected from the group consisting of ##STR69##