Abstract: A dye developer represented by the following general formula (I), ##SPC1##wherein X is a hydrogen atom, a bromine atom, a nitro group, an acylamino group, a hydroxyl group or an alkyl group having not more than 4 carbon atoms; n is 1, 2 or 3; Y is an acyl group having not more than 4 carbon atoms; and Ar is a mono- or polyaryl group; and wherein an aromatic ring can be condensed in the 4-and 5-positions of the furan ring nucleus, and at least one of X, the aromatic ring condensed with the furan ring nucleus and Ar being directly connected to or being connected through an atom or an atomic grouping to a polyphenol having developing activity for silver halide.

Abstract: A diffusion transfer color photographic film unit, (a) which contains:1. a light-sensitive element comprising a support having thereon at least one light-sensitive silver halide emulsion layer having associated therewith a dye image-forming material which, as a result of development, forms an imagewise distribution of a dye image-forming material capable of diffusing through a processing solution;2. an image-receiving element comprising a transparent support having thereon an image-receiving layer for receiving the dye image-forming material upon diffusion;3. a light-intercepting element having substantially the same area as the image-receiving element and being capable of protecting an emulsion layer or layers from external light during processing of the film unit in a bright place out of a camera;4.

Abstract: The color speeds of a multicolor photosensitive element are balanced during the manufacture thereof by continuously introducing into said element optical filter means adapted to modulate the photographic color speed of at least one of the selectively sensitized silver halide emulsions relative to the other(s), and then adjusting the density of said optical filter means during coating to an amount sufficient to obtain the desired color balance.

Abstract: Color photographic products and processes are disclosed which provide a silver image in registration with a light-transmitting screen composed of minute optical elements, such as an additive color screen. The silver image is present in the developed silver halide emulsion layer which is maintained in registered relationship with said screen on a transparent support. Where the silver halide emulsion is negative-working, the silver image is a negative of the photographed subject, and the thus-obtained additive color negative image may be used to form full color positive images by printing onto subtractive color print material.The undeveloped silver halide may be allowed to remain in the developed silver halide emulsion layer, or all or a portion thereof may be removed from the developed silver halide emulsion layer.

Abstract: An image-receiving element for use in a color diffusion transfer process which comprises a support having thereon an image-receiving layer containing a mordanting polymer having therein a repeating structural unit represented by the following General Formula (I); ##EQU1## wherein each of R.sub.1, R.sub.2, R.sub.3 and R.sub.4 is an alkyl group, a hydroxyalkyl group or an aralkyl group, and each of R.sub.1 and R.sub.3 and R.sub.2 and R.sub.4 can combine to form an alkylene group; A is an alkylene group, an arylene group or a group of the formula ##SPC1##In which m and n each represents 0 or an integer of at least 1, with at least one of m and n being an integer of at least 1; and X.sup.- and Y.sup.- each represents a monovalent anion, and a method for forming a color image in the color diffusion transfer process comprising spreading an alkaline processing solution between an exposed silver halide photosensitive element and the image-receiving element above described.

Abstract: A dye developer represented by the following general formula (I): ##EQU1## WHEREIN X represents the atoms necessary for completing a monocyclic or polycyclic aromatic group; Y represents an acyl group having 1 to 4 carbon atoms; Ar and Z each represents a monocyclic polycyclic aromatic group, with Ar being connected either directly or through a divalent atom or group to a polyhydric phenol moiety having a silver halide developing action; R represents an alkyl group or an alkoxy group; n represents an integer of 0 to 4; and Q represents ##EQU2## wherein Z' represents a hydrogen atom or an alkyl group, R.sub.2 and R.sub.3 each represents a hydrogen atom or an aliphatic group, or R.sub.2 and R.sub.3 can combine to form a divalent aliphatic group and a light-sensitive material comprising a support having thereon a light-sensitive silver halide emulsion layer with the dye developer of this invention associated therewith.

Abstract: Photographic elements, processes for forming images in photographic elements and new compounds are disclosed. Generally, the invention relates to immobile compounds which can be used to provide positive images from negative recording-developing photographic materials such as negative silver halide emulsions. The compounds contain a photographically useful group such as a dye or dye precursor and are capable of releasing said photographically useful group under alkaline conditions, and are also capable of reaction with an oxidized silver halide developing agent before substantial release of said photographically useful group occurs, to provide a reaction product having a substantially lower rate of release of said photographically useful group. In specific embodiments, the compounds of this invention contain an electrophilic cleavage group located in the linkage between a ballast group and a photographically useful moiety wherein said electrophilic cleavage group is a carbamic acid derivative.

Abstract: This invention relates to a new class of pH sensitive indicator dyes useful as optical filter agents in photographic processes to protect a selectively exposed photosensitive material from further exposure during processing in the presence of incident light. Such dyes contain a phenolate group as the ring-closing moiety and are represented by the compounds ##SPC1##Wherein R is hydrogen, alkyl, aryl, aralkyl or alkaryl, R.sup.1 and R.sup.2 the same are hydrogen, chloro or nitro, and R.sup.3 is hydrogen, carboxy, sulfonamido, sulfamoyl, or alkoxy.

Abstract: Multicolor diffusion transfer processes and products for use in performing such processes are disclosed employing dye developers and red-, green- and blue-sensitive silver halide emulsions, at least two of said silver halide emulsions being predominantly homogeneous substituted-halide silver halide emulsions.

Abstract: The present invention relates to photography and, more particularly, to a novel radiation recording photographic diffusion transfer process film unit which comprises a photosensitive element which includes, in combination, a particulate dispersion of photosensitive crystals, preferably, photosensitive silver halide crystals adapted to be reduced to silver, upon contact with a silver halide reducing agent, as a function of the crystals' exposure to incident actinic electromagnetic radiation, having associated therewith an inorganic semiconductor adapted to donate electrons to the photosensitive crystals as a function of the exposure of the element to incident actinic electromagnetic radiation.

Abstract: Compositions are provided comprising a film-forming crystalline polypropylene, crystalline block copolymer of propylene and at least one other .alpha.-monoolefin selected from the group of ethylene and .alpha.-monoolefin hydrocarbons of 4 to 10 carbon atoms or mixtures of the block copolymer and the polypropylene, having incorporated therein about 15 to 40% by weight talc, 5 to 15% by weight titanium dioxide pigment, 5 to 20% of an elastomer and one-tenth to 1% by weight of a polyolefin antioxidant.The films or sheets prepared from these polyolefin compositions have the stiffness, opacity and printability normally associated with paper and provide excellent replacements for paper used in photographic elements. In addition, they have excellent tear strength and elongation.

Abstract: A process for developing a light-sensitive silver halide photographic material in the presence of a new development inhibitor releasing type compound which liberates a compound having development inhibiting action and simultaneously produces a colourless compound.

Abstract: The present invention relates to photography and, more particularly, to diffusion transfer process photographic film units which comprise a photosensitive element adapted to provide, by diffusion transfer photographic processing, selective dye image recordation of incident actinic radiation as a function of the point-to-point degree of photosensitive element exposure, which film unit includes a plurality of essential layers including a polydisperse silver halide photosensitive emulsion layer comprising a particulate dispersion of photosensitive silver iodobromide, iodochloride or iodochlorobromide crystals possessing a mean iodide concentration within the range of about 0.5 to 15 mole % and in which not in excess of about 20%, by weight, of the crystals deviate from the selected mean iodide concentration by in excess of about .+-.

Abstract: The present invention relates to photography, particularly, to photographic products specifically adapted for employment in specified photographic diffusion transfer color processes and, more particularly, to photographic products which comprise a fixed or permanent composite photosensitive structure including, as essential layers, in sequence, a first dimensionally stable layer transparent to actinic radiation; a polymeric layer dyeable by a diffusion transfer process dye image-forming material; a processing composition permeable opaque layer; a first photosensitive silver halide layer having associated therewith a diffusion transfer process dye image-forming material; a second photosensitive silver halide layer; a second dimensionally stable layer transparent to actinic radiation; and means for providing a diffusion transfer process processing composition preferably retaining opacifying agent intermediate the dye image-forming material impermeable polymeric layer and the next adjacent second transparent dim

Abstract: A diffusion transfer color film unit which comprises:1. a light-sensitive element comprising a support having thereon at least one light-sensitive layer unit comprising (i) a negative-type light-sensitive silver halide emulsion layer containing a ballasted compound capable of reacting with an oxidation product of an aromatic primary amino color developing agent to provide a non-diffusible compound and (ii) an adjacent layer containing physical development nuclei and a ballasted coupler capable of reacting with an oxidation product of an aromatic primary amino color developing agent to provide a diffusible dye;2. an image-receiving element;3. a rupturable container which retains an alkaline processing composition;4. an aromatic primary amino color developing agent or a precursor thereof and a solvent for silver halide;And at least one compound represented by the following general formula (I) ##EQU1## wherein R.sub.1 and R.sub.2 each represents an alkylene group having 1 to 4 carbon atoms; and R.sub.

Abstract: A silver photosensitive material comprising a development inhibitor-releasing compound of the formula ##EQU1## wherein Z is an atomic group necessary to form a 5 to 7 membered saturated or unsaturated carbon ring with the carbon atoms to which it is attached, said ring being unsubstituted or substituted by at least one of halogen and a member of the class consisting of alkyl, aryl, alkoxy, acyloxy, aryloxy, SY and a group forming a condensed carbon ring with said saturated or unsaturated carbon ring; Y is arylmercapto, heterocyclic, thioglycollic acid, cystein or glutathione. A method for the development of silver halide photosensitive material by the use of the foregoing compound is also disclosed.

Abstract: Novel azo magenta dye-providing compounds and photographic elements containing such compounds are described. The present compounds contain a carrier moiety which, as a function of oxidation under alkaline conditions, provides a substance having a mobility different than that of the starting compound.

Abstract: A color diffusion transfer photographic light-sensitive material which comprises a support having thereon at least one light-sensitive silver halide emulsion layer containing a silver halide combined with a dye developer, one of the light-sensitive silver halide emulsion layers being combined with a dye developer represented by the following General Formula (I); ##EQU1## wherein Ar represents a divalent aromatic group; X represents ##EQU2## with R being an alkyl group having 1 to 3 carbon atoms, --NHCO-- with the nitrogen atom being connected to the Ar group or --OCO-- with the oxygen atom being connected to the Ar group; and Y represents an aromatic group having a substituent containing a hydroquinonyl group.

Abstract: A photographic film assemblage including a container, a plurality of self-developing film units within the container which are adapted to be sequentially exposed and treated with a liquid processing composition, and members associated with the container so as to form an integral part of the assemblage for controlling the distribution of the liquid processing composition during treatment of a film unit. A photographic apparatus with which the film assemblage is adapted to be used includes structure for locating the distribution control members in operative association with a film unit located in position for exposure and subsequent treatment with the liquid processing composition.

Abstract: Azo dye-providing compounds and photographic materials containing such compounds are described. The present compounds, as a function of photographic processing under alkaline conditions, provide a dye substance having a mobility different than that of the compound.

Abstract: Stabilized oxichromic compounds are disclosed, along with processes for stabilizing oxichromic compounds. In one aspect, the stabilized compounds are O-acylated compounds which contain a reduced azomethine linkage. In another aspect, the stabilized compounds are O-acylated compounds which can undergo base catalyzed chromogenic oxidation to produce a yellow dye.

Abstract: This invention relates to a development inhibitor-releasing compound of the following general formula: ##SPC1##Wherein Z is an atomic grouping necessary to form a carbocyclic ring; Y is a group which, when the sulfur atom of the thioether linkage is released, forms together with said sulfur atom a compound having a development-inhibiting action; and X is a hydroxyl group or a substituted or non-substituted amino group.

Abstract: The present invention is directed to novel photographic products for use in color diffusion transfer systems wherein at least one of the layers of the film unit contains an amount of a glucoside humectant effective to stabilize the silver halide emulsion(s) thereof against fog during storage.

Abstract: A quick diffusion transfer process of forming color positive images by combining a photosensitive material portion prepared by superposing a photosensitive silver halide emulsion layer containing an amidrazone which becomes diffusible by an oxidation treatment (Type A) with an intermediate layer containing an amidrazone which does not become diffusible by the oxidation treatment (Type B) and an image-receiving material portion prepared by coating a composition containing an acid resistant coupler capable of forming a dye by the oxidative coupling with an amidrazone, exposing and black-and-white-developing the combined materials, subjecting material to an oxidation treatment in the superposed relationship to form color images, and then removing said photosensitive material portion.

Abstract: Improved green-sensitivity is imparted to a photosensitive silver halide emulsion by a benzimidazolothiacarbocyanine dye of the formula: ##SPC1##Wherein R.sup.1 and R.sup.2 are lower alkyl; R.sup.3 is sulfoalkyl or carboxyalkyl each having an alkylene chain of from 1 to 4 carbon atoms inclusive; R.sup.4 is hydrogen, halogen, lower alkyl, lower carbalkoxy, lower alkoxy or acetamido; R.sup.5 is halogen, cyano or carbalkoxy; R.sup.6 is hydrogen or halogen; Y is an anion customary in the cyanine dye art; and n is 0 or 1.

Abstract: A magenta image dye-providing compound having a formula as follows: ##SPC1##Wherein:Car represents a carrier moiety which, as a function of oxidation under alkaline conditions, releases a diffusible dye from said compound;m and q each represent an integer having a value of 0 or 1;X represents a bivalent linking group;Z.sup.1 represents hydrogen or Z;R.sup.1 represents hydrogen, an alkyl radical an alkoxy radical having 1 to about 4 carbon atoms, or halogen;D represents cyano, sulfo, fluorosulfonyl, halogen, a --SO.sub.

Abstract: Magenta image dye-providing compound having formulas as follows: ##SPC1##Wherein:Car represents a carrier moiety which, as a function of oxidation under alkaline conditions, releases a diffusible dye from said compound;m and q each represent an integer having a value of 0 or 1;X represents a bivalent linking group;R represents hydrogen or alkyl;J represents a bivalent radical selected from sulfonyl or carbonyl;Q represents hydrogen, hydroxy or an acylamino radical;G represents hydroxy, a salt thereof, or a hydrolyzable acyloxy group;r represents an integer having a value of 1 or 2;Z represents cyano, trifluoromethyl, a carboxy, a carboxylic acid ester, nitro in the 2- or 3- position relative to the azo radical, fluorosulfonyl, sulfo, halogen, an alkylsulfonyl radical; a phenylsulfonyl radical, alkylcarbonyl, a sulfamoyl radical; a carbamoyl radical, and, in formulas I or II when r is 1, Z may represent a radical having the formula Car-[X--(NR--J).sub.q ].sub.

Abstract: Novel compounds are disclosed which release a silver halide solvent in the presence of alkali, which compounds may be defined as quinone-or naphthoquinone-methide precursors containing the silver halide solvent moiety. These novel compounds are useful in photographic products and processes.

Abstract: Excessive image density produced during or after processing by dye diffusing from the image generating unit into the dye image-receiving layer of an integral color transfer assemblage is controlled by incorporating into the assemblage a scavenger layer capable of immobilizing byproducts of processing reactions which may affect image quality in the image-receiving layer.

Abstract: A nondiffusible sulfonamide compound which is alkali-cleavable upon oxidation to release a diffusible magenta color-providing moiety from a benzene nucleus thereof, said compound having a formula as follows: ##SPC1##WhereinBall represents an organic ballasting group.Y represents the carbon atoms necessary to complete a benzene or naphthalene nucleus;X represents a bivalent linking group;R represents hydrogen or alkyl;J represents sulfonyl or carbonyl;M and q each represent an integer having a value of 0 or 1;R.sup.

Abstract: A light-sensitive member for use in a color diffusion transfer element which comprises a support having thereon at least one silver halide emulsion layer and at least one dye developing agent combined with the silver halide in the silver halide emulsion layer, wherein at least one layer on the support contains an auxiliary developing agent selected from the group consisting of a catechol having at least one substituent, with at least one of the substituents being selected from the group consisting of an alkoxy group, an acylamino group, an acylimino group, an alkylsulfonamido group, an alkylthio group, an arylthio group, an alkylseleno group, an arylseleno group and a heterocyclic group; dissolved in a substantially water-insoluble solvent and present in the layer as finely divided liquid droplets.