摘要:
A photographic light-sensitive material comprising a support having thereon at least one silver halide emulsion layer containing a development inhibitor releasing photographic coupler represented by the following general formula (I): ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4, which can be the same or different, each represents a hydrogen atom, an aliphatic residue, an aromatic residue or a heterocyclic residue; and X represents a triazole ring which is released upon reaction of the coupler with an oxidation product of an aromatic primary amine developing agent and which exhibits development inhibiting effects; wherein the triazole ring is connected to the coupling position of the coupler through the nitrogen atom at the 1-position of the triazole ring.
摘要:
A photographic light-sensitive material comprising a support having thereon at least one silver halide emulsion layer containing a coupling compound which forms a colorless compound with oxidized developer, said coupling compound having the formula ##STR1## wherein R, X and Y are defined in the specification.
摘要:
A silver halide photographic light-sensitive material containing a development inhibitor releasing compound, which is capable of forming a substantially colorless product, and which is represented by the following general formula (I): ##STR1## wherein X represents ##STR2## --SO.sub.2 R.sub.1, --SO.sub.2 OR.sub.1, --SO.sub.2 NH.sub.2, --SO.sub.2 NHR.sub.1, --SO.sub.2 N(R.sub.1).sub.2, --CN, --N.sup.+ (R.sub.1).sub.3 or ##STR3## R.sub.1 represents an aliphatic group, an aromatic group or a heterocyclic group and further two R.sub.1 groups can combine and represent an atomic group necessary to form, together with the nitrogen atom to which they are attached, a nitrogen-containing heterocyclic group; R represents an aromatic group substituted with at least one of a nitro group, an acyl group, an alkoxycarbonyl group, a cyano group, a sulfamoyl group, a carbamoyl group, an aryloxycarbonyl group, an alkylsulfonyl group, an arylsulfonyl group, an alkoxysulfonyl group and an aryloxysulfonyl group; and Y represents a group capable of being released from the compound represented by the general formula (I) upon reaction with the oxidation product of a developing agent to provide an arylmercapto compound, a heterocyclic mercapto compound, a triazole compound, a benzotriazole compound or a naphthotriazole compound which has a development inhibiting effect.
摘要:
A silver halide photographic light-sensitive material containing a novel development inhibitor releasing coupler compound, capable of forming a substantially colorless product, represented by the following general formula (I): ##STR1## wherein R represents ##STR2## X represents ##STR3## --SO.sub.2 R.sub.2, --SO.sub.2 OR.sub.2, --SO.sub.2 N(R.sub.2).sub.2, --SO.sub.2 NHR.sub.2, --CN, --N.sup.+ (R.sub.2).sub.3 or ##STR4## R.sub.1 and R.sub.2 each represents an aliphatic group, an aromatic group or a heterocyclic group and further two R.sub.2 groups can combine and represent an atomic group necessary to form, together with the nitrogen atom to which they are attached, a nitrogen-containing heterocyclic group; and Y represents a group capable of being released from the compound represented by the general formula (I) upon reaction with the oxidation product of a color developing agent to provide a compound which has a development inhibiting effect and having a triazole ring bonded to the carbon atom through the nitrogen atom at the 1-position thereof.
摘要:
A photographic developing agent represented by the formula (I): ##STR1## wherein one of X and Y is a group capable of inhibiting development on release immediately after the developing agent is oxidized at the step of development, and the other of X and Y is an --NH--SO.sub.2 --Z group (wherein Z is an alkyl group, an aryl group or a heterocyclic group); A is a hydrogen atom or a group hydrolyzable under alkaline conditions; R.sub.1, R.sub.2, and R.sub.3, which may be the same or different, each is a hydrogen atom, an alkyl group, an aryl group, a heterocyclic group, an alkoxy group, an aryloxy group, an --S--Z' group (wherein Z' is an alkyl group, an aryl group or a heterocyclic group), an --NH--SO.sub.2 --Z" group (wherein Z" is an alkyl group, an aryl group or a heterocyclic group), an acylamido group, an amino group, a halogen atom, a hydroxy group, or an acyloxy group; and R.sub.1 and R.sub.2 further may combine to form a ring, a silver halide photographic light-sensitive material having a photographic layer containing at least one compound selected from the compounds represented by the above formula (I), and a process for developing images by treating a photographic light-sensitive material with a developer containing at least one compound selected from the compounds represented by the above formula (I).
摘要:
A multilayer color photographic material having at least one red sensitive silver halide emulsion layer containing a cyan coupler of the formula (I): ##STR1## wherein X represents a hydrogen atom or a chlorine atom and n is a positive integer of 8 to 20, is processed by a color developer containing a developing agent of the formula (II): ##STR2## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 each represents a hydrogen atom, a chlorine atom, a methyl group, an ethyl group, a methoxy group or an ethoxy group; R.sub.5 represents an alkyl group having 1 to 4 carbon atoms, an alkoxyalkyl group wherein the number of carbon atoms in said alkyl moiety is 1 to 4, or a group of the formula --(CH.sub.2).sub.m R.sub.6 ; R.sub.6 represents a hydroxy group, a methylsulfonamido group, or an ethylsulfonamido group; and m represents a positive integer of 1 to 4.
摘要:
A color photographic silver halide light-sensitive material which comprises a support having thereon at least two light-sensitive layers, at least one of said layers containing a compound capable of coupling with an oxidation product of a color developing agent and in which splitable hetero aromatic ring containing a triazole or diazole ring is connected to the carbon atom in the coupling position, through the nitrogen atom in the 1-position of said triazole or diazole ring.
摘要:
A silver halide photographic light-sensitive material having improved image quality which comprises at least one hydrophilic colloid layer containing at least one reducing compound, preferably having an oxidation potential less than about 1.5 volts, and at least one compound represented by the following formula (I): ##STR1## wherein A and A', which may be the same or different, each represents a hydrogen atom or an alkaline-hydrolyzable group, or A' may combine with R or Q to form a ring; and P, Q, and R, which may be the same or different, each represents a hydrogen atom, an alkyl group, an aryl group, a halogen atom, a hydroxyl group, a --Y--W group (wherein Y represents an oxygen atom or a sulfur atom, and W represents an alkyl group, an aryl group, or a heterocyclic group), an --S--Z group (wherein Z represents a heterocyclic group that is substantially photographically inert in the bonded state), or a heterocyclic group; with at least one ballasting group having at least 5 carbon atoms being contained in the molecule.
摘要:
A multi-layered color photographic light-sensitive material which comprises a support having thereon at least two light-sensitive silver halide emulsion layers which provide images having substantially different hues, with the light-sensitive material including 2-equivalent couplers and/or 4-equivalent anilinopyrazolone couplers and at least one of the light-sensitive silver halide emulsion layers or a colloidal layer of the light-sensitive material containing a hydroquinone derivative or a hydroquinone precursor substituted with a heterocyclic monothio group and an aliphatic monothio group, an aryl monothio group, an aliphatic oxy group, an aryloxy group or a heterocyclic oxy group and having a ballasting group containing 8 or more carbon atoms.
摘要:
A photographic material comprising a support having thereon a photosensitive silver halide emulsion layer containing a hydroquinone derivative which releases a development inhibitor or a development accelerator at development and including an absorbing colloid layer for adsorbing the development inhibitor or accelerator containing silver halide particles which are not substantially developed by development on the silver halide emulsion layer or between the silver halide emulsion layer and the support.