Abstract: A method for processing a silver halide color photographic material is described, comprising a support having thereon at least one of a silver halide emulsion layer and other hydrophilic colloid layer, wherein the silver halide emulsion layer or other hydrophilic colloid layer contains at least one compound represented by formula (I):A--B (I)wherein A represents a blocking group capable of being cleaved from B during processing and B represents a bleach accelerating agent containing at least one hetero atom linked to A through the hetero atom, wherein said method comprises at least one color developing step and desilvering step comprising a bleach-fixing treatment.

Abstract: A method for forming a high contrast negative image comprising the steps of:(a) imagewise exposing a silver halide photographic material comprising a support having thereon at least one light-sensitive silver halide emulsion layer, said emulsion layer or other hydrophilic colloid layer containing at least one hydrazine derivative; and(b) developing said exposed silver halide photographic material in an developer solution containing:(1) a dihydroxybenzene developing agent;(2) at least one auxiliary developing agent selected from a 1-phenyl-3-pyrazolidone auxiliary developing agent and a p-aminophenol auxiliary developing agent;(3) at least 0.3 mol per liter of a sulfite; and(4) at least one compound represented by formula (I): ##STR1## wherein Y represents a group capable of adsorbing to silver halide; A represents a divalent linking group; B represents an amino group, an ammonium group or a nitrogen containing heterocyclic group; m is 1, 2 or 3; and n is 0 or 1; to form a high contrast negative image.

Abstract: A silver halide color photographic material is processed with a color developer containing at least one compound of the following formula (I) and at least one compound of the following formula (II): ##STR1## where R.sup.1, R.sup.2 and R.sup.3 independently represents a hydrogen atom, an alkyl group, an aryl group or a heterocyclic group;R.sup.4 represents a hydrogen atom, a hydroxyl group, a hydrazino group, an alkyl group, an aryl group, a heterocyclic group, an alkoxy group, an aryloxy group, a carbamoyl group or an amino group;X.sup.1 represents a divalent group;n represents 0 or 1; and when is 0, R.sup.4 represents an alkyl group, an aryl group or a heterocyclic group; and R.sup.3 and R.sup.4 may together form a heterocyclic group; ##STR2## where Z represents an atomic group necessary for completing an aromatic nucleus.

Abstract: A method for forming a direct positive color image by image-wise exposing to light a light-sensitive material having at least one internal latent image type silver halide emulsion layer which is unfogged and color image-forming couplers on a support; either (1) subjecting the resulting material to fogging exposure to light and/or processing it with a nucleating agent before development, and then developing the resulting material with a surface developing solution containing an aromatic primary amine type color developing agent, or (2) developing the material after the image-wise exposure with a surface developing solution containing an aromatic primary amine type color developing agent under fogging exposure and/or in the presence of a nucleating agent; and bleach-fixing the resulting material, wherein the color developing solution contains at least one compound selected from the group consisting of compounds represented by the following general formulae (I), (II), (III) and (IV): ##STR1## wherein X represent

Abstract: A silver halide photographic material capable of providing very high contrast image and having improved safelight safety is described, which comprises a support having thereon at least one silver halide emulsion layer, and containing in the silver halide emulsion layer or another hydrophilic colloid layer (i) a compound represented by formula (I) ##STR1## wherein PWR represents a group capable of releasing ##STR2## upon being reduced; Time represents a group capable of releasing LA after being released from PWR, t is 0 or 1; and LA represents a group having an absorption maximum in the wavelength region longer than 310 nm, (ii) a hydrazine derivative, and (iii) at least one compound represented by formulae (IX) and (X) ##STR3## wherein R.sup.91, R.sup.92, R.sup.93, and R.sup.

Abstract: The present invention relates to a direct positive silver halide photosensitive material and a method for forming a direct positive image. By the use of a novel nucleating agent having a specific structural formula, the present invention provides a direct positive silver halide photosensitive material with an increased Dmax value and a decreased Dmin value, as compared with the use of the conventional nucleating agents, even if a small amount of the novel nucleating agent is used, and does not substantially reduce the Dmax value, even if the photosensitive material is kept in a high-humidity state for a long time before exposure.

Abstract: A silver halide photographic material is disclosed, comprising a support having thereon at least one of silver halide photographic emulsion layers and other hydrophilic colloid layers, wherein at least one of said silver halide photographic emulsion layers and other hydrophilic colloid layers contains a compound represented by formula (I): ##STR1## wherein at least one of A.sub.1 and A.sub.2 represent a hydrogen atom and the other represents a hydrogen atom, a sulfonyl group or an acyl group; G.sub.1 represents a carbonyl group, a sulfonyl group, a sulfoxy group, a ##STR2## group, a ##STR3## group, or an iminomethylene group; L.sub.1 represents a bivalent group; X.sub.1 represents --O-- or an ##STR4## group wherein R.sub.4 is hydrogen, an alkyl group or an aryl group; Y.sub.1 represents ##STR5## R.sub.1 and R.sub.2 each represents an aliphatic group, an aromatic group, a heterocyclic group, --OR.sub.5 or --NR.sub.5 R.sub.6 wherein R.sub.

Abstract: A silver halide photographic material comprising a support having thereon at least one silver halide light-sensitive emulsion layer, wherein at least one compound represented by the formula (I) is present in said silver halide emulsion layer or at least one other hydrophilic colloid layer of said material:A--B (I)wherein A represents a blocking group which can release a dye for photographic purposes during processing and B represents said dye for photographic purposes which is bonded to A by means of a hetero atom.

Abstract: A negative type silver halide photographic material and a process for forming a super high contrast negative image using said material are described. This photographic material comprises a support having provided thereon at least one silver halide emulsion layer which has a substantial influence upon image density and at least one light-insensitive hydrophilic colloid layer, wherein a hydrophilic colloid layer other than said silver halide emulsion layer contains a hydrazine derivative in a non-diffusing condition. With this photographic material, a super high contrast negative image can be obtained without decreasing sensitivity and gamma by the use of a developer containing not less than 0.15 mol/liter of sulfite ions and having a pH of from 10.5 to 12.3.

Abstract: A silver halide negative photographic material comprising a support having thereon at least one silver halide emulsion layer, at least one hydrophilic colloidal layer thereof containing (1) a hydrazine derivative, (2) a compound substantially having no absorption maximum in the visible light region represented by formula (I): ##STR1## wherein Z.sup.11, Z.sup.12, R.sup.11, R.sup.12 X and n are as defined in the specification, and (3) at least one compound represented by formula (II) or (III): ##STR2## wherein R.sub.1, R.sub.2, R.sub.3 and Q are as defined in the specification; and ##STR3## wherein R.sub.21, R.sub.22, R.sub.23, and R.sub.24, are as defined in the specification. The photographic material can be processed with a stable developer to provide an ultra-high contrast image without reduction in sensitivity, gamma or maximum density or the appearance of black pepper. The photographic material is excellent in pressure properties and anti-blocking properties.

Abstract: A novel silver halide photographic material is provided comprising at least one light-sensitive silver halide emulsion layer provided on a support and containing at least one hydrazine compound and at least one amine compound of the general formula (I) in said emulsion layer or at least one of other constituting layers, provided that said hydrazine compound and said amine compound can be present in the same or different layers: ##STR1## wherein R.sup.2 and R.sup.3, which can be the same or different, each represents a substituted or unsubstituted alkyl group or R.sup.2 and R.sup.3 may be linked to each other to form a ring; R.sup.4 represents a substituted or unsubstituted alkyl, aryl or heterocyclic group; A represents a divalent linkage group; X represents --CONR.sup.5 --, --OCONR.sup.5 --, --NR.sup.5 CONR.sup.5 --, --NR.sup.5 COO--, --COO--, --OCO--, --CO--, --NR.sup.5 CO--, --SO.sub.2 NR.sup.5 --, --NR.sup.5 SO.sub.2 --, --SO.sub.2 --, --S-- or --O-- group (in which R.sup.

Abstract: A method for processing a silver halide color photographic material including a step of developing the material with a developer containing an aromatic primary amine color developing agent and at least one compounds represented by the following general formulae (Ia) and (Ib): ##STR1## wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4, which may be the same or different, each represents a hydrogen atom or an unsubstituted alkyl group; R.sup.5, R.sup.6 and R.sup.7, which may be the same or different, each represents an unsubstituted alkylene group; X.sup.1 and X.sup.2, which may be the same or different, each represents ##STR2## --O--, --S--, --CO--, --SO.sub.2 or --SO--, or a combination thereof, and R.sup.8 represents a hydrogen atom or an unsubstituted alkyl group; and m and n, which may be the same or different, each is 0, 1, 2 or 3; and ##STR3## wherein R.sup.13 represents a substituted alkylene group; and R.sup.9, R.sup.10, R.sup.11 and R.sup.

Abstract: A silver halide photographic material which comprises a support having coated thereon a light-sensitive silver halide emulsion layer, wherein the photographic material contains a blocked photographic agent represented by the following general formula (I): ##STR1## wherein A represents a photographic agent moiety which is bonded to a blocking moiety through a hetero atom, or a precursor thereof; R.sup.1 represents a hydrogen atom or a substituent group; and Z represents atoms necessary to form a carboxylic ring or a heterocyclic ring. The blocked photographic agent is completely stable upon storage of the photographic material, and releases a photographic agent at a desired time upon processing of the photographic material. The blocked photographic agent also exhibits its function to a substantial degree over a wide range.

Abstract: The present invention relates to a method of processing a silver halide color photosensitive material. In particular, to a rapid processing method capable of reducing the development time. In the processing method, an exposed silver halide color photosensitive material having at least one emulsion layer containing a silver halide having a chlorine content of at least 80 molar % based on the total halogens is processed with a color developer containing an aromatic primary amine color developing agent and a dialkylhydroxylamine of the following general formula (I) but substantially free of benzyl alcohol: ##STR1## wherein R.sup.1 and R.sup.2 each represent an unsubstituted or substituted alkyl group or an unsubstituted or substituted alkenyl group or R.sup.1 and R.sup.2 may form a hetero ring together with nitrogen atom.

Abstract: There is provided a method for processing a silver halide color photographic material which comprises processing the silver halide color photographic material with a color developer containing an aromatic primary amine color developing agent and a specific amino compound. According to this method the stability and color forming property of a color developer are improved so that the increased fogging problem in continuous processing is lessened and the processing time is shortened. There is also provided a color developer composition which can be used as the developer, as it is or after adjusting its composition.

Abstract: A superhigh contrast negative type silver halide photographic material comprising a support having provided thereon at least one silver halide emulsion layer, the emulsion layer or at least one other hydrophilic colloid layer containing at least one hydrazine derivative and at least one compound of formula (I):Y[(X).sub.n A-B].sub.m (I)wherein Y represents a group capable of adsorbing to silver halide; X represents a divalent linking group comprising an atom or atoms selected from a hydrogen atom, a carbon atom, a nitrogen atom, an oxygen atom and a sulfur atom or an atomic group comprised of the atoms; A represents a divalent linking group; B represents a substituted or unsubstituted amino group, an ammonium group or a nitrogen-containing heterocyclic group; m represents 1, 2 or 3; and n represents 0 or 1. The photographic material may contain an organic desensitizer and a water-soluble rhodium salt, and the material has a low sensitivity and can be handled in a bright room.

Abstract: In a process for the continuous treatment of silver halide color photographic light-sensitive materials with supplying a replenisher to a developing bath, the amount of the replenisher is 900 m or less per m.sup.2 of the light-sensitive materials, and the light-sensitive materials contain a certain type of mercapto heterocyclic compounds. Constant results in finished development and lower fog are attained and fogging during storage of raw light-sensitive materials is suppressed even when the amount of the replenisher is very small.

Abstract: A method for processing a silver halide color photographic material is described, which comprises treating said material after imagewise exposure with a color developer containing an aromatic primary amine developing agent and at least one compound represented by formula (I) ##STR1## in which X.sub.1 and X.sub.2 each represents a divalent organic group. In accordance with this method, the stability and color-forming capacity of the color developer are remarkably improved, the increment of fog during continuous processing of photographic material is greatly reduced, and the color developer need not substantially contain benzyl alcohol.

Abstract: A novel process for the formation of a high contrast negative image is provided which comprises processing a silver halide photographic material with a developing solution, wherein said developing solution contains a dihydroxybenzene developing agent, a 1-phenyl-3-pyrazolidone auxiliary developing agent and/or p-aminophenol auxiliary developing agent, 0.3 mol/liter or more of sulfite, and a compound represented by formula (I) ##STR1## wherein Y and Z, which may be the same or different, each represents N or CR.sup.2 wherein R.sup.2 represents a substituted or unsubstituted alkyl or aryl group; R.sup.1 represents an alkyl, aryl or heterocyclic group which is substituted by at least one group selected from the group consisting of --SO.sub.3 M, --COOM, --OH, --NHSO.sub.2 R.sup.3, --SO.sub.2 NR.sup.3 R.sup.4 and --NR.sup.5 CONR.sup.3 R.sup.4 or a group formed by alkyl groups, aryl groups or heterocyclic groups via linkage groups; R.sup.3, R.sup.4 and R.sup.

Abstract: A method for processing a silver halide color photographic material containing at least one pyrazoloazole magenta coupler represented by general formula (I), which comprises processing the light-sensitive material, after imagewise exposure, with a color developer containing an aromatic primary amine color developing agent and at least one member selected from among hydrazines and hydrazides represented by general formula (II): ##STR1## wherein R.sub.11 represents a hydrogen atom or a substituent, X represents a hydrogen atom or a group capable of being eliminated by a coupling reaction with an oxidation product of an aromatic primary amine developing agent, Za, Zb and Zc each represents a methine group, a substituted methine group, .dbd.N-- or --NH--, provided that one of the Za-Zb bond and the Zb-Zc bond is a double bond and the other is a single bond and, when Zb-Zc is a carbon-to-carbon double bond, it may be a part of an aromatic ring, and a dimer or higher polymer may be formed at R.sub.