Abstract: A silver halide photographic light-sensitive material is disclosed, comprising a support having provided thereon at least one silver halide emulsion layer and containing, in a silver halide emulsion layer having an average iodide content of about 8 mol % or more, a compound capable of releasing a fogging agent or a precursor thereof, or of releasing a development accelerator or a precursor thereof upon development in proportion to the amount of developed silver.

Abstract: A hologram recording material comprises one of bismuth silicon oxide and bismuth germanium oxide, and Fe added to these material. The density of Fe is 10 p.p.m.

Abstract: A silver halide color photographic light-sensitive material is described, comprising a support having coated thereon at least one silver halide emulsion layer, the color photographic light-sensitive material having a photographic layer containing at least one kind of magenta coupler of 5-pyrazolone type having an arylthio group at the coupling position thereof, the arylthio group having an alkoxy group or an aryloxy group at the ortho position to the sulfur atom thereof and the alkoxy group and the aryloxy group being substituted with a cyano group, a halogen atom, a sulfonyl group, a sulfinyl group, a phosphonyl group, or an ##STR1## group, wherein A represents a chemical bond, an alkylene group, an arylene group, an oxygen atom, a sulfur atom, or an imino group; and B represents a hydroxy group, an alkoxy group, an aryloxy group, a hydrogen atom, an alkyl group, an aryl group, a heterocyclic group, an acyclic amino group, or a hydrazino group.

Abstract: A method for processing a silver halide color photosensitive material which comprises processing a silver halide color photosensitive material containing at least one 4-mercapto-5-pyrazolone type magenta coupler represented by formula (I) ##STR1## wherein W represents an aryl group; X represents an alkyl group, an aryl group or a heterocyclic ring group; and Y represents an acylamino group, a ureido group, or an anilino group; with a color developer containing at least one compound selected from a compound represented by formula (II) ##STR2## wherein R represents a lower alkyl group, and M.sub.1 and M.sub.2, which can be the same or different, each represents a hydrogen atom, and an alkali metal atom, or an ammonium group; a compound represented by formula (III) ##STR3## wherein M.sub.3, M.sub.4, M.sub.5, M.sub.6 and M.sub.

Abstract: A color photographic silver halide light-sensitive material is described. The material contains a 1H-pyrazolo[3,2-C]-s-triazole type coupler and, as a color image stabilizer, a compound represented by the formula (I): ##STR1## (wherein all the symbols are as defined in the appended claims). Addition of the color image stabilizer of the formula (I) improves the light fastness of magenta color images formed from the 1H-pyrazolo[3,2-C]-s-triazole type coupler. Thus the light-sensitive material of the invention exhibits high photographic performance.

Abstract: A method of processing a silver halide photographic material using a color developer containing at least two kinds of triazylstilbene brightening agents having maximum fluorescent wavelengths at least 4.mu. apart, said material containing a sensitizing dye and an antiirradiation dye.

Abstract: A color photographic light-sensitive material comprising a reflective support having thereon a plurality of silver halide emulsion layers of which the silver halide layer located farthest from the support contains not less than 15 mole percent of silver chloride and two non-light-sensitive layers each containing an ultraviolet absorbing agent.

Abstract: A color image-forming process is described, comprising developing an exposed silver halide light-sensitive material with an aromatic primary amine color developing agent in the presence of an .alpha.-acyl-.alpha.-unsubstituted or substituted phenoxyacetanilide type yellow coupler having a sulfamoyl group in an m-position of the acetanilido group with respect to the amino group.

Abstract: A silver halide photographic light-sensitive material comprising a support having thereon at least one silver halide emulsion layer, the photographic light-sensitive material containing a color image forming coupler comprising a nitrogen containing heterocyclic 5-membered ring-condensed-5-membered ring in which the coupling active position is substituted with the nitrogen atom of a carboxylic acid amido group containing at least one fluorine atom.The magenta color image forming coupler has good color forming property and provides a magenta color image having excellent spectral absorption property and good fastness to light.

Abstract: A silver halide color photographic light-sensitive material comprising a support having coated thereon at least one silver halide emulsion layer is described, the color photographic light-sensitive material having at least one layer containing (1) at least one 2-equivalent magenta coupler represented by formula (I): ##STR1## wherein W represents a phenyl group substituted with at least one halogen atom, alkyl group, alkoxy group, alkoxycarbonyl group or cyano group; Y represents an acylamino group or an anilino group; and Z represents a group capable of being released upon coupling, and (2) at least one amine compound having at least two groups other than a hydrogen atom represented by formula (II): ##STR2##

Abstract: A silver halide color photographic light-sensitive material is disclosed, comprising a support having thereon at least one silver halide emulsion layer, wherein at least one silver halide emulsion layer contains a coupler which is subjected to a coupling reaction with an oxidation product of a color developing agent to produce a diffusible coupling product which exerts a fogging effect in a developing solution; the silver halide color photographic light-sensitive material provides increased contrast and sensitivity, development is accelerated, and stability during storage is improved.

Abstract: s-Triazine compounds which contain in their molecule at least one sterically hindered phenol group and at least one polyalkylpiperidine group are effective optical stabilizers for photographic dyes and precursors thereof.

Abstract: A silver halide color photographic light-sensitive material containing a compound of the general formula (I) as a color stain inhibitor: ##STR1## R.sup.1, R.sup.2, R.sup.3, l, m and n are as defined herein. This color stain inhibitor has various advantages and is capable of efficiently removing oxidized color developing agents, can be used in light-sensitive materials with reduced layer thickness, and is free from changes in performance even after a long-term storage.

Abstract: A silver halide color photographic light-sensitive material comprising a support having coated thereon at least one silver halide emulsion layer, the color photographic light-sensitive material having a photographic layer containing at least one 2-equivalent 5-pyrazolone type magenta coupler represented by the general formula (I) described below and an amount of a calcium atom contained in the color photographic light-sensitive material being up to 10 mg/m.sup.2. ##STR1## wherein W represents an aryl group; X represents an aliphatic group, an aryl group or a heterocyclic group; and Y represents an acylamino group, a ureido group or an anilino group.The silver halide color photographic light-sensitive material containing the 2-equivalent 5-pyrazolone magenta coupler and the restricted amount of the calcium atom exhibits photographic properties which are not influenced by variations in the pH of the color developing bath and can provide color images fast to light and heat.

Abstract: Colored, reflection-viewed images having improved stability to light, heat and moisture and improved storage stability while retaining the original color character thereof are produced using color photographic recording materials containing, on a light-reflecting layer support, a red-sensitive, a green-sensitive and a blue-sensitive silver halide emulsion layer, each with spectrally associated color coupler, the yellow coupler being a 2-equivalent yellow coupler derived from pivaloyl acetanilide, the magenta coupler a 3-anilinopyrazolone coupler and the cyan coupler a coupler corresponding to the following general formula (I): ##STR1## wherein R.sup.1 represents H or halogen;R.sup.2 represents alkyl having at least 2 carbon atoms;R.sup.3 represents H or alkyl having up to 5 carbon atoms;R.sup.4 represents acyl; andX.sup.1 represents H or a group releasable in the process of color coupling.

Abstract: A silver halide color photographic material is disclosed which has at least one silver halide emulsion layer on a support, said silver halide emulsion layer containing at least one magenta coupler of formula (I) and at least one non-color forming phenolic compound: ##STR1## wherein R.sub.1 is an alkyl or aryl group; R.sub.2 is a monovalent group; R.sub.3 is an alkylene group; Y is a halogen atom, a hydroxy or alkyl group; Z is a group that can be eliminated upon coupling reaction with the oxidized product of a color developing agent; X is a divalent bonding group or an alkylene group having 1 to 5 carbon atoms; m is an integer of 0 to 4; and n is an integer of 0 to 5.

Abstract: A silver halide color photographic material comprising a support having thereon at least a silver halide emulsion layer is described, wherein the photographic material contains a cyan dye-forming coupler represented by formula (I) ##STR1## wherein R represents an unsubstituted or substituted alkyl, aryl, or heterocylic ring group; B represents --O-- or --NR.sub.1 --, wherein R.sub.1 represents a hydrogen atom or an unsubstituted or substituted alkyl or aryl group; Z represents an unsubstituted or substituted aryl group or an alkyl or aralkyl group substituted by a carboxy group or a hydroxy group; A represents a substituted aryl group, or a substituted or unsubstituted heterocyclic ring group; and m represents 0 or 1, provided that when m is 0 the substituent is not an alkoxy group, a halogen atom or a cyano group.

Abstract: A method for processing a color photographic light-sensitive material by subjecting an exposed silver halide color photographic light-sensitive material to color development processing then to bleaching and fixing or to bleach-fixing, which method comprises using a ferric ion complex salt or a persulfate as a bleaching agent in the bleaching or bleach-fixing and incorporating at least one compound selected from compounds represented by general formula (I) below and a salt thereof in the bleaching bath or the bleach-fixing bath or in a prebath thereof: ##STR1## wherein X represents --COOM, --OH, --SO.sub.3 M, --CONH.sub.2, --SO.sub.2 NH.sub.2, --NH.sub.2, --SH, --CN, --CO.sub.2 R.sup.6, --SO.sub.2 R.sup.6, --OR.sup.6, --NR.sup.6 R.sup.7, --SR.sup.6, --SO.sub.3 R.sup.6, --NHCOR.sup.6, --NHSO.sub.2 R.sup.6, --OCOR.sup.6 or --OSO.sub.2 R.sup.6 ; Y represents ##STR2## or a hydrogen atom; m and n each represents an integer from 1 to 10; R.sup.1, R.sub.2, R.sup.4, R.sup.5, R.sup.7 and R.sup.

Abstract: The addition of water-soluble triaryl compounds selected from the group consisting of phosphines, amines, arsines, bismuthines and stibylidynes provides sensitizing effects and, when added to spectrally sensitized emulsions, provides a supersensitizing effect. The activity of these compounds is additive with other supersensitizers.

Abstract: A silver halide color photographic light-sensitive material is disclosed. The material is comprised of a support having two layers thereon. One layer is comprised of a silver halide emulsion layer containing a non-diffusible coupler which couples with an oxidation product of a developing agent during development processing to form a dye of such mobility that controlled image smearing occurs. The other layer is comprised of a silver halide emulsion layer containing a polymer coupler latex which is adjacent to the emulsion layer containing the dye diffusion type coupler. By utilizing the silver halide color photographic light-sensitive material as disclosed within the application it is possible to obtain improved results with respect to the graininess and sharpness of the images produced with the material without having bad effects on other photographic properties of the material.