Abstract: A color-photographic recording material which, in at least one light-sensitive silver halide emulsion layer, one intermediate layer and/or one protective layer, contains, as a stabilizer, at least one polyalkylpiperidine compound of the formula I or II ##STR1## in which m is the numbers 1 or 2 and, if m=1, A is a group of the formula ##STR2## and, if m=2, A is a group of the formula ##STR3## Color images which are obtained by image-wise exposure and development of this color-photographic recording material, display good stability towards the action of visible and ultraviolet light.Reference is made to the description in respect of the meanings of the substituents and symbols in the formulae I and II.

Abstract: Compounds of the formula I ##STR1## in which X is a group ##STR2## and R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 are monovalent organic radicals, at least one of which contains a sterically hindered phenol group and at least one of which contains a polyalkylpiperidine group, are outstanding light stabilizers for color-photographic recording materials. They also have a stabilizing action on the photo dyes and their precursors when stored in the dark.

Abstract: A silver halide color photographic light-sensitive material. A support has thereon at least one silver halide emulsion layer and a non-light-sensitive layer adjacent to the silver halide emulsion layer. The silver halide emulsion layer contains a cyan coupler having Formula (I) and a compound having Formula (II). The non-light-sensitive layer contains a compound having Formula (II) ##STR1## wherein X is a hydrogen atom or a group which can be split off by the coupling reaction with the oxidized product of an aromatic primary amine color developing agent; R.sub.1 is an aryl group or a heterocyclic group; and R.sub.2 is a ballasting group necessary to cause the cyan coupler having the Formula (I) and the cyan dye formed from the cyan coupler to be nondiffusible ##STR2## wherein R.sub.3 and R.sub.4 each is an alkyl group, an alkenyl group, or a cycloalkyl group each having from 3 to 20 carbon atoms, or an aryl group having from 6 to 20 carbon atoms.

Abstract: A silver halide color photographic light-sensitive material is disclosed. The material is comprised of a support base having thereon a silver halide emulsion layer containing a cyan dye-forming oleophilic polymer coupler. The polymer coupler is comprised of three repeating units including a repeating unit of a cyan coupler corresponding to general formula (I), an ethylene type unsaturated monomer repeating unit corresponding to general formula (II) which contains an acid component and an ethylene type unsaturated monomer repeating unit corresponding to general formula (III). The cyan dye-forming oleophilic polymer coupler is present in the form of a dispersed product, said polymer coupler having been dissolved in an organic solvent followed by emulsion dispersion of a gelatine aqueous solution in the presence of a surfactant. The general formulae and their substituents are described in the specification.

Abstract: A color-photographic recording material which, in at least one light-sensitive silver halide emulsion layer, an interlayer and/or a protective layer, contains a stabilizer mixture comprising(i) a compound with at least one group of the formula ##STR1## or a polymer with recurring structural units of the formula I, and (ii) a phenolic antioxidant.Color images obtained by imagewise exposure and development of this color-photographic recording material show good stability to the action of visible and ultraviolet light.With respect to the definitions of the substituents in formula I, reference is made to the description.

Abstract: A light-sensitive silver halide photographic material having at least one silver halide emulsion layer on a support, characterized in that the said silver halide comprises silver halide grains containing at least 80 molar % of silver chloride and at least one of merocyanine dyes having the formula ##STR1## wherein R.sub.1 and R.sub.2 individually represent an alkyl group, an alkenyl group or an aryl group provided that at least one of R.sub.1 and R.sub.2 is an alkyl or aryl group having a sulfo group; R.sub.3, R.sub.4, R.sub.5 and R.sub.6 individually represent a hydrogen atom, a halogen atom, a lower alkyl group, a lower alkoxy group or a phenyl group and any one pair of R.sub.3 and R.sub.4, R.sub.5 and R.sub.6, R.sub.1 and R.sub.6 or R.sub.4 and R.sub.5 may joint each other to form a ring; X is an oxygen atom, a sulfur atom or a selenium atom; and Y is an oxygen atom, a sulfur atom or a selenium atom provided that at least one of X and Y represents a selenium atom.

Abstract: Cyanine dyes including two nitrogen containing heterocyclic nuclei, linked to each other through a rigidized conjugated 7, 9 or 11 carbon atom methine chain to form an amidinium-ion resonance system, are very good for sensitizing silver halide emulsions for use in photographic elements to be exposed to infrared radiation if one of said heterocyclic nuclei is 5-methyl-6-methoxy-benzothiazole.

Abstract: A color photographic light-sensitive material comprising a support having thereon a silver halide emulsion layer containing therein a coupler represented by the following general formula (I):Q-B (I)wherein Q represents a coupler residue capable of forming a magenta color image upon the coupling reaction with an oxidation product of a developing agent; and B represents a group containing an unsubstituted or substituted methylenedioxybenzene group.The magenta coupler containing a methylenedioxybenzene group is useful in preventing the formation of yellow stain due to light irradiation in unexposed areas of a color photographic light-sensitive material after color development processing. Color images formed from the coupler are resistant to fading even if the color images obtained after color development processing are irradiated with light.

Abstract: A silver halide color photographic material is disclosed. The material is comprised of a support base having provided thereon a fine grain silver halide emulsion layer and, positioned adjacent to the fine grain silver halide emulsion layer, a silver halide emulsion layer containing a coupler. The coupler is a phenolic cyan coupler substituted at the 5-position with an acylamino group and at the 2-position with an ureido group. The material has high sensitivity and good granularity. The material produces an image which has excellent fastness to light and heat.

Abstract: A silver halide photographic emulsion is described containing in combination at least one sensitizing dye represented by formula (I) and at least one cyan coupler represented by formula (II): ##STR1## wherein all the symbols are defined in the specification. In a preferred embodiment, in addition to the sensitizing dye (I) and the cyan coupler (II), there may also be included at least one compound represented by formula (III) ##STR2## wherein all the symbols are also defined in the specification.

Abstract: A silver halide color photographic light-sensitive material is disclosed. Their material is comprised of a support having thereon a silver halide emulsion layer containing a cyan color image forming polymer coupler latex. This latex is comprised of a recurring unit of a cyan coupler monomer capable of forming a dye upon coupling with an oxidation product of an aromatic primary amine developing agent represented by the general formula (I) and a recurring unit of an ethylenically unsaturated monomer containing an acid component represented by the general formula (II) and a recurring unit of methyl acrylate. ##STR1## The cyan color image forming polymer coupler latex has excellent color forming properties and photographic material containing the coupler latex provides a cyan image having good fastness to heat and the combination of heat and humidity. A method for forming a color image utilizing the disclosed photographic material containing the novel couple of latex is also disclosed.

Abstract: A silver halide photographic emulsion, which comprises (i) a mono-dispersed silver halide emulsion comprising 3 to 50 mole % of silver chloride, 1 mole % or less of silver iodide and 50 to 97 mole % of silver bromide having a grain size distribution of 0.

Abstract: A silver halide photographic emulsion containing a particular combination of dyes is described which prevents aggravated fogging of the emulsion under the influence of high temperature or the combination of high temperature and high humidity, and minimizes the degradation of sensitivity of the emulsion thus providing an emulsion of high stability to withstand the adverse effects of aging.

Abstract: A method of color photographic processing is disclosed. The method comprises color developing an exposed silver halide color photographic light-sensitive material and thereafter carrying out a bleach treatment and a fix treatment or a bleach-fix treatment, wherein the bleaching agent used for the bleach treatment or the bleach-fix treatment is a ferric ion complex salt or a persulfate and the bleaching bath or the bleach-fixing bath or a pre-bath therefor contains at least one compound represented by the following formula (I): ##STR1## wherein all the symbols are defined in the specification. A prevention of pollution problems and an acceleration of bleaching action without deterioration of photographic properties can be attained by this method.

Abstract: An optical recording element having a recording layer which comprises an alkylpyrylium-squarylium dye, as well as novel alkylpyrylium-squarylium compounds.

Abstract: A silver halide photographic emulsion containing a coupler for photography, comprising silver halide particles in said emulsion consisting essentially of 2 mole % or less of silver iodide, 50 to 97 mole % of silver bromide and 1 to 50 mole % of silver chloride, and said particles are core/shell type silver halide particles containing a higher content of said 50 to 97 mole % silver bromide in the surface layers of said particles than in the inner portions thereof, the surface layer of said particles containing 70 to 100 mole % of silver bromide and the inner portion containing 40 to 70 mole % of silver bromide.

Abstract: A method for processing an exposed silver halide color photographic material by development and desilvering is described, which comprises the steps of (1) treating said material in a color developing bath, (2) treating the developed material in a bath having incorporated therein at least one compound of formula (I) or a salt thereof: ##STR1## and (3) treating said material in a bath having bleaching or bleach-fixing ability.

Abstract: A silver halide color photographic material in which both a coupler capable of releasing a diffusible development restrainer by coupling and a polymer coupler latex are present to increase visual sharpness.

Abstract: A silver halide photosensitive material is developed with a developing solution containing an aromatic primary amine in the presence of a coupler represented by the following general formula (I): ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 each represents a hydrogen atom or a certain substituent group, and X represents a hydrogen atom or a coupling eliminable group; to provide magenta color image having high color purity.

Abstract: A color photographic material having a light-sensitive silver halide emulsion layer containing a DIR compound having an amino group and a DIR compound having no amino group.