Abstract: A spectrally sensitized photographic silver halide emulsion, characterized in that after precipitation at least one compound of formula is added to the emulsion, wherein R1 denotes alkyl, aryl, aralkyl, alkenyl or heterocyclyl; R2 denotes H, alkyl, aryl, heterocyclyl, amino or alkoxy; R3 denotes H, alkyl, aryl, aralkyl or heterocyclyl; D denotes —OH or —NR4R5; X denotes O or N—R6; R4 denotes H, alkyl, aryl, aralkyl, alkenyl or heterocyclyl; R5: denotes H, alkyl, aryl, aralkyl, alkenyl or heterocyclyl; R6: denotes H, alkyl, aryl, aralkyl, alkenyl, acyl, alkoxycarbonyl, carbamoyl or heterocyclyl, the aforementioned alkyl, aryl, aralkyl, alkenyl, heterocyclyl, amino, alkoxy, acyl, alkoxycarbonyl and carbamoyl groups can be substituted, and any two of the radicals R1 to R6 can together form a heterocyclic ring, such as a pyrrolidine, piperidine, perhydroazepine, piperazine, morpholine or thiomorpholine ring, for example; as well as a photographic material comprising a

Abstract: A color photographic recording material having at least one spectrally sensitized silver halide emulsion layer, characterized in that said silver halide emulsion layer contains an oil former having a pKa value of less than 18 and a DIR coupler and the material contains at least one color coupler, wherein the color coupler and/or the DIR coupler have specific structures, is distinguished by an increased interimage effect in comparison with the prior art without sensitivity being reduced.

Abstract: A colour photographic recording material having at least one spectrally sensitised silver halide emulsion layer, characterised in that said silver halide emulsion layer contains an oil former having a pKa value of less than 18 and a DIR coupler and the material contains at least one colour coupler, wherein the colour coupler and/or the DIR coupler have specific structures, is distinguished by an increased interimage effect in comparison with the prior art without sensitivity being reduced.

Abstract: A colour photographic silver halide material having a support and at least one photosensitive silver halide emulsion layer which contains a magenta coupler of the formula (I) in which R1 to R3, a, b, c and X have the meaning stated in the description, which material contains a DIR coupler of the formula (II) in which R6 to R11 have the meaning stated in the description, is distinguished by improved processing stability.

Abstract: A polymer of the formula (I): in which X1 means H or (R1)1+1—L1CO—, X2 means —(L2)m—OH or R1 means —COO−M+, —SO3−M+ or (M+)2PO32−, L1 means alkylene, arylene, aralkylene or cycloalkylene, L2 means the residue of a polyether having an average molecular weight of 200 to 3000 (number average), M+ means a cation, l means a number from 0 to 4, m means a number 0 or 1 and n means a number from 0 to 20, wherein m+n is ≧1.

Abstract: A color photographic film having a support, 2 or 3 red-sensitive, cyan-coupling silver halide emulsion layers, 2 or 3 green-sensitive, magenta-coupling silver halide emulsion layers, 2 or 3 blue-sensitive, yellow-coupling silver halide emulsion layers, conventional interlayers and protective layers together with a yellow filter layer arranged closer to the support than the blue-sensitive layers, wherein at least one green-sensitive silver halide emulsion layer is arranged further away from the support than all the other photosensitive layers, exhibits improved sharpness without color distortion if at least 50% of the projected surface area of the silver halide emulsion of the green-sensitive silver halide emulsion layer, of which there is at least one, consists of tabular silver halide grains having an aspect ratio of at least 3.

Abstract: A colour photographic material in which a package of layers is provided which consists, in the stated sequence, of (a) a silver halide-free layer containing colour coupler, (b) a layer containing silver halide and (c) a silver halide-free layer containing colour coupler, wherein at least one of layers (a) and (c) consists to an extent of at least 20 vol. % of a synthetic polymer, is distinguished by an improved grain/sensitivity ratio.

Abstract: A multi-layer color photographic recording material having at least one photosensitive silver halide emulsion layer containing a color coupler contains in at least one photosensitive silver halide emulsion layer a non-diffusing, 2-equivalent color coupler which, under chromogenic development conditions, by coupling with a color developer oxidation product, releases a photographically inert ballast group from the coupling site and so forms a dye removable by rinsing which makes no contribution to color density.

Abstract: A color negative film having a support, at least one blue-sensitive, yellow-coupling silver halide emulsion layer, at least one green-sensitive, magenta-coupling silver halide emulsion layer and at least one red-sensitive, cyan-coupling silver halide emulsion layer, wherein at least one of the color-sensitive silver halide emulsion layers consists of at least two sub-layers of differing photographic sensitivity, the coupler application rate in the most highly sensitive layer of the color sensitive silver halide emulsion layer, of which there is at least one, consisting of at least two sub-layers of differing photographic sensitivity, is no more than 0.05 mmol/m.sup.

Abstract: A color photographic recording material having at least one red-sensitive silver halide emulsion layer unit with which a cyan coupler is associated, at least one green-sensitive silver halide emulsion layer unit with which a magenta coupler is associated, at least one blue-sensitive silver halide emulsion layer unit with which a yellow coupler is associated, and optionally further light-insensitive layers, the blue-sensitive silver halide emulsion layer unit of which comprises at least two blue-sensitive partial layers which are sensitized with sensitizing dyes in such a way that a sensitivity curve ensues which is characterized by the following parameters:460 nm.ltoreq..lambda.(S.sub.max).ltoreq.480 nmb.sub.80 .gtoreq.24 nmb.sub.50 .gtoreq.91 nm,b.sub.20 .gtoreq.106 nm,wherein.lambda.(S.sub.max) denotes the wavelength of the sensitivity maximum (100 % sensitivity);b.sub.80 denotes the width of the sensitivity curve at 80% of the maximum sensitivity;b.sub.

Abstract: A color photographic silver halide material having at least two red-sensitive, cyan-coupling silver halide emulsion layers of different photographic sensitivity, at least two green-sensitive, magenta-coupling silver halide emulsion layers of different photographic sensitivity and at least one blue-sensitive, yellow-coupling silver halide emulsion layer, and having intermediate layers at least between silver halide emulsion layers of different color sensitivity, wherein at least one color coupler is provided in an intermediate layer which is directly adjacent to a lowest-sensitivity silver halide emulsion layer which is sensitive to a defined spectral region and which couples to the complementary color, which color coupler couples in a non-complementary manner with respect to the aforementioned lowest-sensitivity silver halide emulsion layer, is distinguished by its improved reproduction of yellow color shades.

Abstract: A color photographic silver halide material having at least two blue-sensitive, yellow coupler containing silver halide emulsion layers, at least two green-sensitive, magenta coupler containing silver halide emulsion layers and at least two red-sensitive, cyan coupler containing silver halide emulsion layers together with conventional interlayers and protective layers, wherein photosensitive layers of identical color sensitivity differ with regard to the photographic sensitivity thereof and the more highly sensitive layers are arranged further away from the support than the less sensitive layers of identical color sensitivity, which material contains, in a layer which is arranged further from the support than the most highly sensitive, blue-sensitive layer, both at least one yellow coupler and at least one magenta or cyan coupler, is distinguished by improved grain and sensitivity combined with very good color reproduction.

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.-).