摘要:
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.
摘要:
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.
摘要:
A color photographic material containing at least one silver halide emulsion layer sensitised for the red range of the spectrum, which material contains at least one compound of the formula (I) in which R11 and R12 mutually independently denote an electron-attracting group, X11 denotes H or a group seperable on reaction with the developer oxidation product, Y11 denotes a group to complete a nitrogenous heterocycle, providing that a group represented by R12 is attached to a carbon atom of the heterocycle, n denotes 1 or 2, and at least one compound of the formula (II) in which R21 denotes alkyl, alkenyl, aryl, alkoxy, aryloxy, alkylamino, arylamino, acyl, acylamino, acyloxy, hetaryl, halogen, nitro or cyano, R22 denotes OH or has the same meaning as R21, n,m mutually independently denote 0 or 1, o denotes 0, 1, 2, 3, 4 or 5, providing that the compound contains a total of at least 16 C atoms, is distinguished by improved light stability.
摘要:
Compounds corresponding to Formula I ##STR1## wherein R.sup.1 denotes an acyl group andX denotes hydrogen, halogen, alkoxy, aroxy, SO.sub.3 H or a heterocyclic group attached through --O-- or --N
摘要:
Dye images of high color yield and high gradation are obtained with a color photographic recording material containing 2-equivalent yellow couplers corresponding to formula I, particularly in modern rapid processing methods or in developers free from benzyl alcohol. ##STR1## R.sup.1, R.sup.2 (same or different) represent hydrogen, alkyl or halogen; R.sup.3 represents alkoxyalkyl or an alkyl radical substituted by a heterocyclic group containing at least one oxygen atom;R.sup.4 represents alkyl or aryl;R.sup.5 represents halogen or alkoxy;R.sup.6 represents hydrogen, alkoxy, amino, acylamino or carbamoyl;represents alkoxy, acylamino, carbalkoxy, carbamoyl or sulfamoyl.
摘要:
A print material having 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, characterised in that the red-sensitive layer contains at least one oil former, the cyan coupler is of the formula in which R1 means a hydrogen atom or an alkyl group, R2 means an alkyl, aryl or hetaryl group, R3 means an alkyl or aryl group, R4 means an alkyl, alkenyl, alkoxy, aryloxy, acyloxy, acylamino, sulfonyloxy, sulfamoylamino, sulfonamido, ureido, hydroxycarbonyl, hydroxycarbonylamino, carbamoyl, alkylthio, arylthio, alkylamino or arylamino group or a hydrogen atom and Z means a hydrogen atom or a group eliminable under the conditions of chromogenic development, and the ratio by weight of oil former to cyan coupler is less than 1:1, is distinguished by excellent colour reproduction.
摘要:
A color photographic silver halide material which can be developed to form a negative, at least 95 mol % of the silver halides of which consist of AgCl, and which contains at least one light-sensitive silver halide emulsion layer, the silver halide of which contains at least one compound of formulae (I), (II) and (III): [IrClnF6-n]2−M2+ (I) wherein n denotes 0 or an integer from 1 to 6 and M2+ denotes 1 or 2 cations with a total number of 2 positive charges, [Fe(CN)6]m−Mm+ (II) wherein m denotes 2 or 3 and Mm+ denotes 1 to 3 cations with a total number of m positive charges, wherein o denotes 0, 1 or 2 and R denotes an alkyl, aryl or aralkyl, is distinguished under scanning exposure and on analogue exposure by sharp contrast which is independent of exposure time and by a stable latent image.
摘要:
A print material having 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, characterised in that the silver halide crystals of the red-sensitive layer have a chloride content of at least 95 mol %, contain 20 to 500 nmol of iridium per mol of silver halide and the cyan coupler is of the formula in which R1 means a hydrogen atom or an alkyl group, R2 means an alkyl, aryl or hetaryl group, R3 means an alkyl or aryl group, R4 means an alkyl, alkenyl, alkoxy, aryloxy, acyloxy, acylamino, sulfonyloxy, sulfamoylamino, sulfonamido, ureido, hydroxycarbonyl, hydroxycarbonylamino, carbamoyl, alkylthio, arylthio, alkylamino or arylamino group or a hydrogen atom and Z means a hydrogen atom or a group eliminable under the conditions of chromogenic development, is distinguished in that it is equally ideally suitable for analogue and scanning exposure and exhibits very good latent image stability.
摘要:
A color photographic silver halide material comprising a substrate, 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, characterised in that the silver halide crystals of the red-sensitive layer have a chloride content of at least 95 mol %, the cyan coupler corresponding to formula wherein R1 represents a hydrogen atom or an alkyl group, R2 represents an alkyl, aryl or hetaryl group R3 represents an alkyl or aryl group, R4 represents an alkyl, alkenyl, alkoxy, aryloxy, acyloxy, acylamino, sulphonyloxy, sulphamoylamino, sulphonamido, ureido, hydroxycarbonyl, hydroxycarbonylamino, carbamoyl, alkylthio, arylthio, alkylamino or arylamino group or a hydrogen atom and Z represents a hydrogen atom or a group which may be split off under the conditions of chromogenic development and the red-sensitive layer contains at least one compound of formula wherein R5 represents H, CH3 or OCH3, R6 represents H, OH, CH3, OCH3, NHCO—R7, COOR7, SO2NH2, NHCONH2 or NHCONH—CH3 and R7 represents C1 to C4 alkyl, is distinguished by very good stability in storage simultaneously with very good latent image stability.