Abstract: Highly active silver halide development inhibitors are released from DIR couplers corresponding to formula I during color development. Where DIR couplers are used in color photographic silver halide materials, high edge effects and high inter-image effects are obtained.A--(TIME).sub.n --Z IIn formula I,A is the residue of a coupler which couples with the oxidation product of a silver halide developing agent under the conditions of photographic development and, in doing so, releases a group corresponding to the following formula--(TIME).sub.n --ZTIME is a binding link which together with the group Z (a triazole ring) attached thereto is releases on reaction of the coupler with the oxidation product of a silver halide developing agent and which, in turn, releases the group Z with delay under the development conditions;n is 0 or 1;Z is a triazole ring corresponding to one of the following formulae ##STR1## R.sup.1 is alkylthio; R.sup.

Abstract: Good edge effects and inter-image effects are obtained where DIR couplers corresponding to formula I are used in color photogrpahic silver halide materials. ##STR1## in which R.sup.1 is H, Cl, --CF.sub.3, alkoxy, sulfamoyl;R.sup.2 is H, Cl, alkyl, cycloalkyl, alkoxy, alkoxycarbonyl, carbamoyl;n is 0, 1 or 2;X is O or S;Y is a group with a silver halide development inhibiting function releasable during color development;Z is benzoyl, pivaloyl, carbamoyl or a quinazolin-4-on-2-yl group.

Abstract: High edge effects and interimage effects are obtained when DIR couplers of formula I are used in color photographic silver halide materials. ##STR1## In Formula I, R.sup.1 denotes alkyl, for example C.sub.4 H.sub.9 -t, aryl, for example p-alkoxyphenyl, NH-aryl or NH--NH--R.sup.3 ;R.sup.2 denotes H, halogen, e.g. chlorine, alkoxy, alkylthio or NH--R.sup.4 ;R.sup.3 and R.sup.4 denote acyl;X denotes the residue of a photographically active compound containing a monocyclic 1,2,3- or 1,2,4-triazole ring,TIME denotes a linking member andn denotes 0 or 1.

Abstract: In the case of color materials with the usual processing times, bleaching and bleaching/fixing baths containing an iron(III) ion complex salt as bleach and, in addition, a 5- to 7-membered heterocyclic compound containing at least one N-atom and at least one other hetero atom from the group consisting of O,S,N which is substituted by --S.sup..crclbar. and, at a quaternary ring nitrogen atom, carries a positive charge arranged in such a way that no tautomeric charge compensation to a neutral thione form is possible, provide for good bleaching, i.e. for black areas free from residual silver in the case of color negative materials and for low minimum densities in the case of color reversal materials, by virtue of their excellent bleaching rate and, at the same time, their high stability.

Abstract: A color photographic recording material containing a coupler which releases a photographically active compound.Couplers corresponding to formula (I) couple with color developers to form yellow to yellow-orange dyes and, in doing so, release the residue X as a photographically active compounds. Where X is a development inhibitor, remarkably high inter-image and edge effects can be obtained. ##STR1## in which R.sup.1 represents alkyl, a heterocyclic or carbocyclic aromatic group or -NH-CO-R.sup.2 ;R.sup.2 represents alkyl, aryl or -NH-R.sup.3 ;R.sup.3 represents alkyl or aryl;Q represents the groups to complete a fused, optionally substituted benzene or heterocyclic ring;X represents the residue of a photographically active compound;TIME represents a bond which, on reaction of the coupler with the oxidation product of a color developer, is released together with the residue X attached thereto and, in turn, releases the residue X as a photographically active compound under the development conditions;n=0 or 1.

Abstract: Cyan partial color images with increased light fastness and improved stability to moisture and heat may be produced by the dye diffusion process using cyan dyes corresponding to formula I released from dye releasing compounds. ##STR1## In the above formula, Q denotes a group for completing a pyridine or pyridazine ring optionally carrying a condensed aromatic ring;G denotes OH or NH--SO.sub.2 --R.sup.5 ;R.sup.1 denotes H or one, two or three substituents;R.sup.2 denotes H or a group with electron acceptor character preferably situated in an ortho-position to G;R.sup.3 denotes H, acylamino or a group such as G;R.sup.4 denotes H, SO.sub.2 --NR.sup.6 --R.sup.7 or NH--SO.sub.2 --R.sup.5 ;R.sup.5 denotes alkyl, aralkyl, aryl or NR.sup.6 --R.sup.7 ;R.sup.6, R.sup.7 denote H, alkyl or aralkyl or together form a group for completing a cyclic amino group.

Abstract: Metal complexes, particularly copper and nickel complexes of azo dyes corresponding to general formula (I) are suitable as color dyes for the production of color images by the dye diffusion transfer process. The dyes are (in non-metallized form), in the form of so-called "dye-releasers", bound to a redox-active carrier radical provided with a ballast group, which dye-releasers are associated to a light-sensitive silver halide emulsion layer. During development, the metallizable dyes are image-wise released and are converted, after diffusion into a light-receiving layer, into the corresponding metal complexes ##STR1## wherein E represents an electron acceptor radical; andK represents the radical of an azo coupler component, derived from an open-chain or closed ring ketomethylene compound, a cyclic enamine compound or a phenolic compound.

Abstract: Dyes corresponding to formula I may be released imagewise from dye releasers in the dye diffusion transfer process. The dyes obtained are lightfast cyan dyes with improved spectral properties and reduced sensitivity to reducing agents ##STR1## the meanings of symbols given in formula I (A, A', G, R.sup.1, R.sup.2, R.sup.3 and R.sup.4) are indicated in the description.

Abstract: Dyes corresponding to general formula (I) are released imagewise from corresponding dye-releasers in the dye diffusion transfer process. They react with nickel ions to form lightfast, cyan dye-metal complexes having advantageous spectral properties: ##STR1## wherein Q represents the group required for completing an optionally substituted phenyl or naphthyl group;X represents --S--, --SO.sub.2 --, --SO.sub.2 --NR.degree.-- or --SO.sub.2 --O--;R.degree. represents H or alkyl; andR.sup.1 represents an aliphatic, araliphatic or a carbocyclic or heterocyclic aromatic group or, when X represents --SO.sub.2 --NR.degree.--, R.sup.1 represents hydrogen.

Abstract: New dyes corresponding to the following general formula: ##STR1## wherein the substituents are as defined in the specification, are suitable for use in photographic recording materials.

Abstract: Precursor compounds from which photographically-active compounds are released with a time delay correspond to the following general formula ##STR1## wherein A represents the residue of a compound which undergoes oxidative coupling;X represents --O--, --S-- or --NR.sup.1 --;Y represents a releasable group which may consist of or contain the residue of a photographically-active compound; andR represents a group for controlling the kinetics of release.Advantageous pictorial properties (inter-image effect, edge effect, modulation transfer function) are obtained with compounds according to the present invention if the photographically-active residue is the residue of a development inhibitor.

Abstract: Azo dyes corresponding to the formula (II): ##STR1## wherein G represents a group capable of forming a 5-membered chelate ring and R.sup.5 represents aryl or a thienyl group, combined with metal ions, in particular copper or nickel ions, to form stable azo dye-metal complexes which have advantageous spectral properties. They are therefore particularly suitable for the production of highly light-fast cyan images, e.g. by the Ink-Jet process, in which they may be used directly in the form of colored inks, or by the dye diffusion transfer process, in which they are released image-wise from corresponding dye-releasers in the course of development and transferred to a dye-absorbent layer.

Abstract: Monoazo dyes corresponding to the following formula ##STR1## are suitable for use as light-stable cyan image dyes stable to reducing agents for the dye diffusion transfer process.In the above formula:Q represents the remainder of the molecule required to complete a fused benzene or thiophene ring, which contains additional electron acceptor groups, or to complete a fused pyridine, pyrimidine, pyridazine, pyrazine or thiazole ring;G represents --OH, acyloxy;R.sup.1 represents H or one or two identical or different radicals selected from the group consisting of halogen, acyl, acylamino and --CN;Y represents H, --OH, an amino group optionally substituted by alkyl or aryl, a cyclic amino group or a group of the formula --NH--SO.sub.2 --R.sup.2 ;R.sup.2 represents alkyl, aryl, an amino group optionally substituted twice by alkyl or a cyclic amino group;n=0, 1 or 2.

Abstract: Azo dyes corresponding to the formula (I): ##STR1## wherein R.sup.1 represents a releasable group, R.sup.2 represents H, halogen or sulphonyl, R.sup.3 and R.sup.4 represent H or groups not capable of chelate formation, and Q represents a group for completing a phenyl or naphthyl group,combine with nickel ions to form stable azo dye-metal complexes which have advantageous spectral properties. They are therefore particularly suitable for the production of highly light-fast magenta images, e.g. by the ink jet process, in which they may be used directly in the form of colored inks, or by the dye diffusion transfer process, in which they are released imagewise from suitable dye-releasers in the course of development and transferred to a dye-receptive layer.

Abstract: In a photographic material suitable as image receptor element for the dye diffusion transfer process, a dye absorbent layer arranged on a layer support contains nickel chelates or copper-II chelates of a compound corresponding to the following general formula I as metallizing agents for the formation of colored complexes from colorless or colored organic complex formers. The chelatable image dyes transferred imagewise to the dye adsorbent layer in the course of development give rise to the corresponding nickel or copper-II complexes with improved light stability. ##STR1## wherein R.sup.1 represents a hydrocarbon group having up to 30 carbon atoms optionally interrupted by --O--;R.sup.2, R.sup.3 represents H, alkyl having up to 5 carbon atoms or aryl having from 6 to 10 carbon atoms; andR.sup.4, R.sup.4' represents alkyl or alkoxy having from 1 to 4 carbon atoms, aralkyl or OH.

Abstract: Metal complexes, particularly copper and nickel complexes, of azo dyes corresponding to formula suitable for use as magenta-colored image dyes for the production of colored images by the dye diffusion transfer process. The dyes are linked (in non-metallized form) to a carrier radical provided with a ballast group as so-called color-providing compounds which are associated with a photosensitive silver halide emulsion layer. During development, the metallizable dyes are released imagewise and, after diffusion into an image-receiving layer, are converted into the corresponding metal complexes. ##STR1## In formula II, R.sup.1, R.sup.2, R.sup.3 and R.sup.4 represent H, F, Cl, Br, --CN, --NO.sub.2, --CF.sub.3, --OCH.sub.3, --SCF.sub.3, alkyl, alkoxy, alkylthio, acylamino, alkyl sulphonyl, aryl sulphonyl, --CO--X or --SO.sub.2 Y; or two adjacent radicals from the group of radicals R.sup.1 to R.sup.4 together represent a fused benzene ring;R.sup.

Abstract: In a photographic material suitable for use as image receptor element for the dye diffusion transfer process, a dyeable layer arranged on a layer support contains nickel chelates of a 2,2'-bisphenol corresponding to one of the general formulae I and II as metallizing agents for the formation of colored complexes of organic colorless or colored complex formers. The chelatizable image dyes which are transferred image-wise into the dye absorbent layer in the process of development give rise to the corresponding nickel complexes which have improved light stability. ##STR1## X=S, ##STR2## or --SO.sub.2 --; R.sup.1 =a hydrocarbon group optionally attached through --O-- or a halogen or R.sup.4 ;R.sup.2 =hydrogen, halogen, alkyl or alkoxy, alkenyl a condensed benzene ring or R.sup.4 if R.sup.1 does not denote a group R.sup.4 ;R.sup.3 =R.sup.2 or ##STR3## R.sup.4 =--CO--O--R.sup.5, ##STR4## --NH--CO--R.sup.2 or --NH--SO.sub.2 --R.sup.9 ; R.sup.5 =alkyl, aralkyl or cycloalkyl;R.sup.6, R.sup.

Abstract: Azo dyes of formula II are released on development from dye releasers which are associated with a light-sensitive silver halide emulsion layer. The azo dyes are chelatable and form with metal ions blue or cyan dye-metal-complex image dyes. ##STR1## In the formula A.sup.1 and A.sup.2 represent electronegative substituents whose meta-sigma values .sigma..sub.m (according to D. H. McDaniel and H. C. Brown in J. Org. Chem. 23, 420 et seq (1958) conform to at least one of the following three relationships:1. .sigma..sub.m (A.sup.1), .sigma..sub.m (A.sup.2) +0.332. .sigma..sub.m (A.sup.1) +.sigma..sub.m (A.sup.2) +0.75;3. .sigma..sub.m (A.sup.1) +0.33 and A.sup.2 represents--SO.sub.2.sup.XX represents H, --OH, --NH.sub.

Abstract: Cyan images may be prepared by the dye diffusion transfer process, using dye-releasers which on development release diffusible dyes capable of forming light-fast cyan metal-dye-complexes particularly with copper or nickel ions. As also the dye-releasers are capable of complexation, cyan images can be prepared not only from the released dyes but also from the dye-releasers ("retained image"). Released dyes and dye-releasers of the present invention contain a chromophor of the following formula: ##STR1## wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4, which may be the same or different, each represents --H, --F, --Cl, --Br, --CN, --NO.sub.2, --CF.sub.3, --OCF.sub.3, --SCF.sub.3, alkyl, alkoxy, alkylthio, acylamino, alkylsulfonyl, arylsulfonyl, --CO--X or --SO.sub.2 --Y or two adjacent groups R.sup.1 -R.sup.4 together constitute a condensed benzene ring which may contain further substituents;R.sup.5 represents hydrogen or a substituent having an electron donor character;R.sup.

Abstract: For the production of light-fast yellow images (transfer images and retained images) by the dye diffusion transfer process dye-releasers are useful which on development release diffusible azo dyes which can complex with nickel or copper ions and which in one of their tautomeric forms correspond to the general formula: ##STR1## wherein R.sup.1 represents alkyl, alkenyl or cycloalkyl having up to 8 carbon atoms,Z represents a radical required for completing a benzene or naphthalene ring; andL represents a substituent having a group which results from the splitting from a carrier radical.