Silver halide photographic material

Claim 2

A silver halide photographic material which is developed by a processing liquid comprising a support having thereon at least one silver halide emulsion layer, wherein said silver halide photographic material contains in at least one hydrophilic layer thereof a compound selected from the group consisting of compounds represented by formula (I) and salts formed from said compound and an acid; ##STR7## wherein R 1 , R 2 , R 3 and R 4 each represents a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heterocyclic ring group; or one or both of said R 1 and R 2 and said R 3 and R 4 combine with each other to form a ring wherein the compound represented by formula (I) is present in an amount effective to prevent the formation of fog occurring upon high temperature quick processing, control the development speed, and provide a high-quality image.

Claim 3

A silver halide photographic material as in claim 1, wherein said substituted or unsubstituted alkyl group has from 1 to 30 carbon atoms.

Claim 4

A silver halide photographic material as in claim 1, wherein said substituted or unsubstituted alkenyl group has from 3 to 30 carbon atoms.

Claim 5

A silver halide photographic material as in claim 1, wherein said substituted or unsubstituted cycloalkyl group has from 3 to 30 carbon atom.

Claim 6

A silver halide photographic material as in claim 1, wherein said substituted or unsubstituted aryl group has from 6 to 30 carbon atoms.

Claim 7

A silver halide photographic material as in claim 1, wherein said substituted or unsubstituted heterocyclic ring group has from 1 to 30 carbon atoms.

Claim 8

A silver halide photographic material as in claim 1, wherein said substituted groups each has at least one substituent selected from the group consisting of a halogen atom, an alkoxy group, an aryloxy group, an amino group, an alkyl amino group, an aryl amino group, a hydroxy group, a cyano group, a nitro group, an acyl amino group, a carbamoyl group, an acyl group, a sulfonyl group, a sulfamoyl group, a sulfonamide group, an acyloxy group, an alkoxycarbonyl group, a carboxyl group and a sulfonic acid group.

Claim 9

A silver halide photographic material as in claim 1, wherein said ring group formed by combining R 1 and R 2 , or R 3 and R 4 is a 5 or 6 membered hydrocarbon ring group.

Claim 10

A silver halide photographic material as in claim 1, wherein said acid is selected from the group consisting of acetic acid, nitric acid, salicylic acid, hydrochloric acid, hydriodic acid and hydrobromic acid.

Claim 11

A silver halide photographic material as in claim 1, wherein said hydrophilic colloid layer is selected from the group consisting of a silver halide emulsion layer, a subbing layer, a protective layer, an interlayer, a filter layer, and an antihalation layer.

Claim 12

A silver halide photographic material as in claim 1, wherein said compound is contained in an amount of from 10 -8 to 10 -1 mole per mole of silver in the silver halide photographic material.

Claim 13

A silver halide photographic material as in claim 1, wherein said hydrophilic colloid layer is a silver halide emulsion layer.

Claim 14

A silver halide photographic material as in claim 1, wherein said silver halide photographic material further contains a polyalkylene oxide.

Claim 15

A silver halide photographic material as in claim 13, wherein said polyalkylene oxide is represented by formula (II): R--A--CH.sub.2 CH.sub.2 O).sub.n.sbsb.1 H (II) wherein R represents a substituted or unsubstituted alkyl group having 1 to 30 carbon atoms, alkenyl group having 3 to 30 carbon atoms or aryl group having 6 to 30 carbon atoms; A represents --O-- group, --S-- group, --COO-- group, ##STR8## (wherein R 11 represents a hydrogen atom or a substituted or unsubstituted alkyl group); and n 1 represents a number of 2 to 50.

Claim 16

A silver halide photographic material as in claim 13, wherein said polyalkylene oxide is represented by formula (III): ##STR9## wherein R 1 and R 2 each represents a hydrogen atom, a substituted or unsubstituted alkyl group, aryl group, or alkoxy group, a halogen atom, an acyl group, an amido group, a sulfonamido group, a carbamoyl group, or a sulfamoyl group; R 3 and R 4 each represents a hydrogen atom, a substituted or unsubstituted alkyl group, aryl group or α-furyl group, or said R 3 and R 4 combine with each other to form a ring; and n 1 and m each represents a number of 2 to 50.

Claim 17

A silver halide photographic material as in claim 13, wherein said polyalkylene oxide is represented by formula (IV): ##STR10## wherein R 3 and R 4 each represents a hydrogen atom, a substituted or unsubstituted alkyl group, aryl group or α-furyl group or said R 3 and R 4 combine with each other to form a ring; R 5 and R 7 each represents a substituted or unsubstituted alkyl group, aryl group, or alkoxy group, a halogen atom, an acyl group, an amido group, a sulfonamido group, a carbamoyl group or a sulfamoyl group; R 6 and R 8 each represents a hydrogen atom, a substituted or unsubstituted alkyl group, aryl group, or alkoxy group, a halogen atom, an acyl group, an amido group, a sulfonamido group, a carbamoyl group, or a sulfamoyl group; or one or more of said R 5 and R 6 , said R 6 and R 7 and said R 7 and R 8 combine with each other to form a substituted or unsubstituted ring; and n 2 and n 3 each represents a number of 2 to 50.

Claim 18

A silver halide photographic material as in claim 13, wherein said polyalkylene oxide is contained in an amount of from 5 to 500 mg/m 2 .

Claim 19

A silver halide photographic material as in claim 15, wherein the weight ratio of the amount of at least one of compounds represented by formula (I) and salts thereof to the amount of said polyalkylene oxide is from 1/10 to 100.

Claim 20

A silver halide photographic material as in claim 11, wherein said compound is contained in an amount of not more than 1×10 -2 mole per mole of silver in the photographic material.

Claim 23

A method for obtaining a silver image as in claim 20, wherein development is conducted at a temperature of from 18° C. to 50° C.

Claim 24

A method for obtaining a silver image as in claim 20, wherein development is conducted at a temperature of from 30° C. to 50° C.

Claim 25

A method for obtaining a silver image as in claim 22, wherein the processing time of development is from 20 to 240 seconds.

Claim 26

A method for obtaining a silver image as in claim 22, wherein said development is for a black and white photographic process and the processing time of development is from 20-150 seconds.

Claim 27

A method for obtaining a silver image as in claim 22, wherein said development is for a color photographic process and the processing time of development is from 120 to 240 seconds.

Claim 28

A method for obtaining a silver image as in claim 20, wherein said compound is contained in an amount of from 10 -8 to 10 -1 mole per mole of silver in the silver halide photographic material.

Claim 29

A method for obtaining a silver image as in claim 20, wherein said silver halide photographic material further contains a polyalkylene oxide.

Claim 30

A method for obtaining a silver image as in claim 20, wherein said polyalkylene oxide is represented by formula (II): R--A--CH.sub.2 CH.sub.2 O).sub.n.sbsb.1 H (II) wherein R represents a substituted or unsubstituted alkyl group having 1 to 30 carbon atoms, alkenyl group having 3 to 30 carbon atoms or aryl group having 6 to 30 carbon atoms; A represents --O-- group, --S-- group, --COO-- group, ##STR12## (wherein R 11 represents a hydrogen atom or a substituted or unsubstituted alkyl group); and n 1 represents a number of 2 to 50.

Claim 31

A method for obtaining a silver image as in claim 20, wherein said polyalkylene oxide is presented by formula (III): ##STR13## wherein R 1 and R 2 each represents a hydrogen atom, a substituted or unsubstituted alkyl group, aryl group, or alkoxy group, a halogen atom, an acyl group, an amido group, a sulfonamido group, a carbamoyl group, or a sulfamoyl group; R 3 and R 4 each represents a hydrogen atom, a substituted or unsubstituted alkyl group, aryl group or α-furyl group, or said R 3 and R 4 combine with each other to form a ring; and n 1 an m each represents a number of 2 to 50.

Claim 32

A method for obtaining a silver image as in claim 20, wherein said polyalkylene oxide is represented by formula (IV): ##STR14## wherein R 3 and R 4 each represents a hydrogen atom, a substituted or unsubstituted alkyl group, aryl group or α-furyl group or said R 3 and R 4 combine with each other to form a ring; R 5 and R 7 each represents a substituted or unsubstituted alkyl group, aryl group, or alkoxy group, a halogen atom, an acyl group, an amido group, a sulfonamido group, a carbamoyl group or a sulfamoyl group; R 6 and R 8 each represents a hydrogen atom, a substituted or unsubstituted alkyl group, aryl group, or alkoxy group, a halogen atom, an acyl group, an amido group, a sulfonamido group, a carbamoyl group, or a sulfamoyl group; or one or more of said R 5 and R 6 , said R 6 and R 7 and said R 7 and R 8 combine with each other to form a substituted or unsubstituted ring; and n 2 and n 3 each represents a number of 2 to 50.

Claim 33

A method for obtaining a silver image as in claim 20, wherein said polyalkylene oxide is contained in an amount of from 5 to 500 mg/m 2 .

Claim 34

A method for obtaining a silver image as in claim 20, wherein the weight ratio of the amount of at least one of compounds represented by formula (I) and salts thereof to the amount of said polyalkylene oxide is from 1/10 to 100.

Claim 35

A method for obtaining a silver image as in claim 20, wherein said compound is contained in an amount of not more than 1×10 31 2 mole per mole of silver in the photographic material.

Claim 36

A method for obtaining a silver image as in claim 20, wherein the polyalkyleneoxide is one member selected from the group consisting of the polyalkylenoxide represented by the formula (II): R--A--CH.sub.2 CH.sub.2 O).sub.n.sbsb.1 H (II) wherein R represents a substituted or unsubstituted alkyl group having 1 to 30 carbon atoms, alkenyl group having 3 to 30 carbon atoms or aryl group having 6 to 30 carbon atoms; A represents --O-- group, --S-- group, --COO-- group, ##STR15## (wherein R 11 represents a hydrogen atom or a substituted or unsubstituted alkyl group); and n 1 represents a number of 2 to 50; the polyalkyleneoxide represented by the formula (III): ##STR16## wherein R 1 and R 2 each represents a hydrogen atom, a substituted or unsubstituted alkyl group, aryl group, or alkoxy group, a halogen atom, an acyl group, an amido group, a sulfonamido group, a carbamoyl group, or a sulfamoyl group; R 3 and R 4 each represents a hydrogen atom, a substituted or unsubstituted alkyl group, aryl group or α-furyl group, or said R 3 and R 4 combine with each other to form a ring; and n 1 an m each represents a number of 2 to 50; and the polyalkyleneoxide represented by the formula (IV): ##STR17## wherein R 3 and R 4 each represents a hydrogen atom, a substituted or unsubstituted alkyl group, aryl group a α-furyl group or said R 3 and R 4 combine with each other to form a ring; R 5 and R 7 each represents a substituted or unsubstituted alkyl group, aryl group, or alkoxy group, a halogen atom, an acyl group, an amido group, a sulfonamido group, a carbamoyl group or a sulfamoyl group; R 6 and R 8 each represents a hydrogen atom, a substituted or unsubstituted alkyl group, aryl group, or alkoxy group, a halogen atom, an acyl group, an amido group, a sulfonamido group, a carbamoyl group, or a sulfamoyl group; or one or more of said R 5 and R 6 , said R 6 and R 7 and said R 7 and R 8 combine with each other to form a substituted or unsubstituted ring; and n 2 and n 3 each represents a number of 2 to 50.