Abstract: The present invention relates to a color photographic recording material which contains, in at least one layer between the substrate and light-sensitive emulsion layer situated nearest to the substrate, a compound of formula (I) wherein X and Y, independently of each other in each case, represent an electron-attracting group, and X and Y together can form a group which is necessary for the completion of a 5- or 6-membered ring.

Abstract: A colour photographic recording material having camera sensitivity, possessing on a transparent support at least one silver halide emulsion layer unit which is sensitive to part of the visible spectrum and consists of at least the following constituent layers:a) a spectrally sensitised silver halide emulsion layer containing an effective quantity of a FAR coupler (coupler, which during coupling releases groups producing fogging nuclei) and optionally a colour coupler, the latter during the colour development process coupling with a dye of which the colour is complementary to the spectral sensitisation of layer a), andb) a fine-grained silver halide emulsion layer having low light-sensitivity, of which the silver halide grains are not spectrally sensitised, being a layer adjacent to layer a),with layer b) containing a colour coupler which during the colour development process couples with a dye of which the colour is complementary to the spectral sensitisation of layer a) and the molar quantity of colour coupl

Abstract: A photographic silver halide material in which the silver halide emulsion layer of at least one silver halide emulsion layer is stabilized with a compound of the formula (I):Ar--Se--X (I)in whichAr means a carbocyclic or heterocyclic aromatic group which has an electron-attracting grouping in o-position relative to the Se andX means a further substituted heteroatom,exhibits a smaller reduction in sensitivity, in particular under tropical conditions of storage.

Abstract: A color photographic recording material having a film support and, arranged thereon, at least one red-sensitive silver halide emulsion layer containing a cyan coupler, at least one green-sensitive silver halide emulsion layer containing a magenta coupler, at least one blue-sensitive silver halide emulsion layer containing a yellow coupler and optionally further non-photosensitive layers contains, in addition to conventional sensitizing dyes, in at least one of the red-sensitive silver halide emulsion layers thereof and in at least one of the green-sensitive emulsion layers thereof at least one cyanine dye in each layer having an absorption maximum in a methanolic solution in the range from 515 to 550 nm, wherein the absorption maxima of the additional cyanine dye in the red-sensitive silver halide emulsion layer and of the additional cyanine dye in the green-sensitive layer, in each case measured in a methanolic solution, are no more than 10 nm and preferably no more than 5 nm apart.

Abstract: A color photographic silver halide material contains on a support at least one red-sensitive, cyan-coupling, at least one green-sensitive, magenta-coupling and at least one blue-sensitive, yellow-coupling silver halide emulsion layer together with interlayers between layers of different colour sensitivity, wherein at least one of the stated interlayers contains at least one masking coupler, the masking coupler having a reaction rate constant for the coupling reaction with the developer oxidation product of .gtoreq.5000 1-mol.sup.- .cndot.s.sup.-1, is distinguished improved sensitivity without increase of granularity.

Abstract: A colour photographic silver halide material with at least two blue-sensitive, yellow-coupling silver halide emulsion layers of differing photographic sensitivity, at least two green-sensitive, magenta-coupling silver halide emulsions layers of differing photographic sensitivity and at least two red-sensitive, cyan-coupling silver halide emulsion layers of differing photographic sensitivity, at least one interlayer Z-1 below the lowermost red-sensitive silver halide emulsion layer and/or at least one interlayer Z-2 below the lowermost green-sensitive silver halide emulsion layer, in which material a coupler is additionally used in at least one silver halide emulsion layer, which coupler couples to yield a colour which is not complementary to the spectral sensitisation of the layer concerned, and Z-1 and/or Z-2 contain a silver halide emulsion which has tabular grains with an aspect ratio of >2, an average diameter of a sphere of equal volume of .gtoreq.0.3 .mu.

Abstract: A color photographic silver halide material having at least one silver halide emulsion layer, which is stabilized with a compound of formula (I) or (II) ##STR1## where X represents O or NR.sub.2Y represents halogen,Z.sup..crclbar. represents an anion,R.sub.1 represents hydrogen or a substituent, or jointly with X represents the remaining members of a condensed ringR.sub.2 represents hydrogen or a substituent, andQ represents the atoms required for the completion of a 5- or 6-membered ring, is characterized by enhanced stability.

Abstract: A color photographic silver halide material which contains as photosensitive layers on a support at least one red-sensitive silver halide emulsion layer containing at least one cyan coupler, at least one green-sensitive silver halide emulsion layer containing at least one magenta coupler and at least one blue-sensitive silver halide emulsion layer containing at least one yellow coupler, in which, above a photosensitive layer (seen from the support outwards), at least one further layer is provided which contains a colorless compound or combination of colorless compounds, which under processing conditions after exposure gives rise to a uniform, slight color density of a predetermined color and predetermined density over the entire surface, allows correction of the print densities without sensitivity being reduced.

Abstract: The grain/sensitivity ratio of a photographic silver halide material may be improved by adding a compound of the formula I to one of its layers. The material moreover exhibits a low increase in fog on storage. ##STR1## in which: Y.sub.1, Y.sub.2, Y.sub.3 each mean one of the following residues ##STR2## R.sub.1 to R.sub.34 mean H, alkyl or aryl; two residues (R.sub.1 to R.sub.34) located on the same N atom may complete a 5-, 6- or greater-membered ring containing at least one N atom and optionally further heteroatoms; two residues (R.sub.1 to R.sub.34) located on adjacent N atoms may complete a ring involving both N atoms and at least one P atom;X.sup.- means an anion required to balance the charge, for example Cl.sup.-, Br.sup.- or tosylate (TosO.sup.-).

Abstract: A color negative film which contains support, at least one light-sensitive silver halide emulsion layer containing a color coupler and at least one light-insensitive layer adjacent thereto which contains a compound which reacts with the developer oxidation product during development with the splitting off of a radical which increases the sensitivity and which corresponds to formulas I or IIA-B-(T.sub.1).sub.m -(COUP-D)-(T.sub.2).sub.n (I)A-B-(T.sub.1).sub.m D (II).

Abstract: A colour photographic silver halide material with a support, at least one red-sensitive silver halide emulsion layer containing at least one cyan coupler, at least one green-sensitive silver halide emulsion layer containing at least one magenta coupler, at least one blue-sensitive silver halide emulsion layer containing at least one yellow coupler, at least one interlayer Z-1 beneath the lowermost red-sensitive silver halide emulsion layer and/or at least one interlayer Z-2 beneath the lowermost green-sensitive silver halide emulsion layer, in which Z-1 and/or Z-2 contains a silver halide emulsion which contains tabular grains with an aspect ratio of>2, an average diameter of a sphere of equal volume of.gtoreq.0.3 .mu.m and a diameter of a circle of equal projected surface area of the tabular grains of at least 0.3 .mu.m, is distinguished by improved red and/or green sensitivity.

Abstract: Color photographic silver halide material of the negative type, in which at least one silver halide emulsion layer contains a compound of the formulaA-B-(T.sub.1).sub.m -(COUP-D)-(T.sub.2).sub.n (I),whereinA represents a ballast group,B represents the radical of a compound which reacts to release (T.sub.1).sub.m -(COUP-D)-(T.sub.2).sub.n during development,T.sub.1 and T.sub.2 represent time-regulating units which can be released during development,m, n are 0 or 1,COUP represents the radical from a 4-equivalent coupler andD represents a group with an affinity for silver,distinguished by improved sensitivity.