Abstract: New DIR-compounds of the formula ##STR1## are useful in photographic materials and processes.

Abstract: A color photographic light-sensitive material is described, comprising a support having thereon a silver halide emulsion layer containing at least one coupler represented by formula (I) ##STR1## wherein R.sub.1 represents an anilino group, an acylamino group or a ureido group, R.sub.2 represents an aralkyl group, an alkyl group, or an alkenyl group, X.sub.1, X.sub.2, and X.sub.3 each represents hydrogen, an alkyl group, a halogen atom, an alkoxy group, an aryloxy group, an acylamino group, a carbamoyl group, a sulfamoyl group, a sulfonyl group or a cyano group and X.sub.1, X.sub.2, and X.sub.3 may be the same or different, and at least one of said silver halide emulsion layer and a hydrophilic colloid layer adjacent thereto containing a 1-phenyl-3-pyrazolidone compound having a diffusion resistant group in the presence of an organic solvent having a high boiling point for a photographic additive.The photographic light-sensitive material provides a magenta color image having a high sensitivity.

Abstract: A silver halide photographic light-sensitive material providing wash-off relief images having high image density and excellent sharpness is described, comprising a support having thereon an antihalation layer, a silver halide photographic light-sensitive layer, and a hydrophilic colloid layer, said antihalation layer being located between said support and said silver halide photographic light-sensitive layer, wherein at least one silver halide light-sensitive layer or hydrophilic colloid layer contains a compound represented by the formula (I), a compound represented by the formula (II) and a compound represented by the formula (III) ##STR1## wherein R.sup.1 represents hydrogen or a substituted or unsubstituted alkyl group; R.sup.2 represents a substituted or unsubstituted alkyl group; and R.sup.3 represents a substituted or unsubstituted alkyl group.

Abstract: A method for processing an exposed color photographic material containing a color developing agent or precursor by developing with a color developer which is replenished.

Abstract: This invention relates to photographic materials containing an ion pair compound which has a quaternary nitrogen atom as a cation and a boron compound as an anion.

Abstract: A process for incorporating photographic additives which are sparingly soluble to insoluble in water into a free-flowing, aqueous preparation which contains a hydrophilic colloid and is used to prepare photographic layers, by mixing the photographic additives with a combination of at least one non-ionic alkylphenol/alkylene oxide or diphenolmethane/alkylene oxide adduct and at least one anionic esterification product of these adducts and, optionally, a water-immiscible solvent and then finely dispersing this mixture in an aqueous solution of the hydrophilic colloid, which solution contains further water-soluble or dispersed water-insoluble constituents optionally.Spontaneous emulsions of the photographic additives with good fine dispersion are obtained in this way without high expenditure of mechanical energy. The emulsions are suitable for the preparation of photographic layers, which are used in photographic materials with improved characteristics.

Abstract: Silver halide photographic materials providing wash-off relief images and having excellent shelf life comprising a support having formed thereon at least a silver halide photosensitive emulsion layer and said silver halide emulsion layer or another hydrophilic colloid layer containing a polyhydroxy-spiro-bis-chroman tanning developing agent and a gallic acid alkyl ester is disclosed with a process forming relief images.

Abstract: A silver halide photographic light-sensitive material having a hydrophilic organic colloid layer containing a dispersion of a substantially water-insoluble photographic additive dissolved in a phosphoric acid ester represented by the following general formula (I): ##STR1## wherein R.sub.1 represents a saturated alicyclic group; and R.sub.2 and R.sub.3, which may be the same or different, each represents a saturated alicyclic group, an alkyl group or an aryl group.

Abstract: Novel electron donor precursors have the structure: ##STR1## where: R is an alkali labile group;Y is an aliphatic or aromatic group; andZ is an electron withdrawing group.The compounds are useful in photographic elements, film units and processes to provide electrons to immobile compounds which must accept at least one electron before releasing a diffusible dye or photographic reagent.

Abstract: There are described photographic products, processes and compositions wherein cyclic crown ether ligands are utilized as silver halide solvents. Also disclosed are novel cyclic crown ether ligands.

Abstract: Novel electron donor precursors have the structure: ##STR1## wherein: Z represents the atoms to complete a mono-, bi- or tricyclic ring system, each ring of which contains 5 to 6 nuclear atoms;n is 1 or 2;R.sup.1 is a monovalent aromatic group when n is 1 and a bivalent aromatic group when n is 2; andR.sup.2 represents hydrogen, an alkyl group, an aryl group, an acyl group, an ester group or an amido group.The compounds are useful in photographic elements, film units and processes to provide electrons to immobile compounds which must accept at least one electron before releasing a diffusible dye or photographic reagent.

Abstract: Said material contains a quinone-type compound which corresponds to one of the formulae (A) or (B) and which is capable in reduced state and under alkaline conditions of releasing a photographically useful group e.g. a dye: ##STR1## wherein: each of (Nuox).sup.1 and (Nuox).sup.2 represents an oxidized nucleophilic group,Z represents a bivalent atomic group which is electronegative,Q together with the Z group represents a releasable photographically useful group,each of R.sup.1, R.sup.2 and R.sup.3 is hydrogen, halogen, alkyl, alkoxy, or an acylamino group or R.sup.1 and R.sup.2 in adjacent positions on the ring form a ring fused with the remainder of the molecule, or R.sup.2 and R.sup.3 together are fused with the remainder of the molecule.each of R.sup.4 and R.sup.5 represents hydrogen or a hydrocarbon group.At least one of the substituents R.sup.1, R.sup.2, R.sup.3, R.sup.4 or R.sup.5 is a ballasting group X.

Abstract: Photographic products having reflective layers which comprise lamellar interference pigments.

Abstract: A color photographic light-sensitive material which comprises a support having coated thereon at least one light-sensitive silver halide emulsion layer containing a yellow dye-forming coupler, at least one light-sensitive silver halide emulsion layer containing a cyan dye-forming coupler, at least one light-sensitive silver halide emulsion layer containing a magenta dye-forming coupler and at least one light-sensitive silver halide emulsion layer containing at least one non-diffusible silver bleach inhibitor selected from the group consisting of a nitrogen-containing heterocyclic compound having a thioether bond and a heterocyclic compound containing one or more nitrogen atoms which combine with a group containing 11 or more carbon atoms to form a quaternary salt, in combination with one or more heterocyclic thione compounds having a thione group which is not capable of forming a mercaptan.

Abstract: A lithographic photosensitive material, suitable for exposure with light from a neon-helium laser, comprising a support having thereon a silver halide emulsion layer containing at least one sensitizing dye represented by the following general formula (I): ##STR1## wherein Z and Z.sub.1, which may be the same or different, each represents the non-metal atoms necessary for completing a 5-membered or 6-membered nitrogen-containing heterocyclic nucleus; R and R.sub.1, which may be the same or different, each represents an alkyl group or an aryl group; Q and Q.sub.1 together represent the non-metal atoms necessary for completing a 4-thiazolidinone, 5-thiazolidinone, or 4-imidazolidinone nucleus; L, L.sub.1 and L.sub.2 each represents a methine group; n.sub.1 and n.sub.

Abstract: The invention is directed to a process for producing cross-linked polymeric images on a substrate employing an oxygen-insensitive silver halide system to obtain camera-speed imaging with good resolution of the resulting image. The process comprises imagewise exposing a photosensitive layer containing dispersed silver halide in operative association with a multifunctional hydrophilic polymeric coupler, developing the exposed layer with a multifunctional developing agent, and removing the undeveloped, noncross-linked areas by washing with a solvent.

Abstract: Difunctional compounds wherein one of said functions is a hard or soft atom that ionizes to the corresponding anion in alkaline solution to combine with silver cation and the other of said functions is a non-ionizable soft base that additionally combines with said silver cation are employed as silver halide complexing agents in photography. In a preferred embodiment, the difunctional compounds possess (a) an O, N or C atom that ionizes to the corresponding O.crclbar., N.crclbar. or C.crclbar. anion in basic solution and (b) an --S-- containing moiety excluding --SH and moieties that form --S.crclbar. in basic solution wherein the --S-- of said moiety is positioned alpha, beta, gamma, delta, epsilon or zeta to said anion.

Abstract: In a dye image forming process in color photography comprising imagewise exposing a photographic element comprising a support and a light sensitive silver halide emulsion layer, and processing the exposed photographic element with an alkaline processing solution in the presence of a dye developer whereby a dye image corresponding to the imagewise exposure is formed by oxidation of said developer as a function of development of silver halide, the improvement which comprises the dye developer being a mono azo dye developer represented by the following formula:X--N.dbd.

Abstract: The silver halide coating weight of a lithographic element can be reduced by ca. 40% by coating two layers of gelatino-silver halide emulsion on a support, and dividing a speed-adjusting polyoxyethylene compound unequally between the two layers.

Abstract: A heat developable light-sensitive material comprising a support carrying at least one layer containing at least (a) an organic silver salt, (b) a light-sensitive halide or a light-sensitive silver halide-forming component, (c) a reducing agent and (d) phthalazinone, and which further has on another surface of the support opposite the above layer one layer containing a compound comprising a ##STR1## moiety, wherein M represents a hydrogen atom or a monovalent metal atom. The material shows improved retention of its as manufactured properties, especially in the superposed state.

Abstract: Photographic elements, film units and processes are described wherein certain ballasted di-2,5-sulfonamidophenols are used to scavenge oxidized electron transfer agents in color image transfer materials. The scavenger compounds can be located in an emulsion layer, a dye image-providing material layer or an interlayer.

Abstract: Photographic elements, diffusion transfer assemblages and processes are described which employ a novel nondiffusible compound having a releasable 6-arylazo-2-amino-3-pyridinol dye moiety or precursor thereof. The compound contains in the ortho position of the arylazo moiety a ballasted carrier moiety attached thereto either through a sulfonamido linking group or through the oxygen of a ##STR1## which said ballasted carrier moiety contains, the ballasted carrier moiety being capable of releasing the diffusible 6-arylazo-2-amino-3-pyridinol dye or precursor thereof under alkaline conditions. The dye is transferred imagewise to an image-receiving layer, where it is contacted with metal ions to form a metal-complexed 6-arylazo-2-amino-3-pyridinol dye transfer image of excellent stability.

Abstract: White couplers which are capable of reacting with color developer oxidation products to form colorless end product with the consumption of four oxidation equivalents and which, therefore have increased absorption capacity for color developer oxidation products correspond to the formula ##STR1## or its tautomeric form, in which R.sup.1 is hydrocarbyl, heterocyclyl attached through a ring carbon, or --CO--R.sup.2R.sup.2 is alkyl, aryl, alkoxy, aminoX is --S-- or --NR.sup.3 --R.sup.3 is hydrogen, same as represented by R.sup.1 or an electron-attaching group.The four-equivalent white couplers may be contained in processing solutions or, in diffusion resistant form, in one or more layers of a colorphotographic material.

Abstract: In a process for providing a color image which comprises imagewise exposing a multilayered light-sensitive photographic material comprising a support and a light-sensitive silver halide emulsion layer not having a coupler incorporated therein and thereafter developing said exposed photographic material with a coupler-containing color developer, the speed and color density of the image are improved by incorporating into the light-sensitive silver halide emulsion layer or the layer contiguous therewith oil particles of a high boiling solvent such as phthalate, phosphate, amide and alcohol type solvents.

Abstract: The storage stability of aqueous p-benzoquinone and in general compounds of the formula ##STR1## where R.sub.1, R.sub.2, R.sub.3, and R.sub.4 may be the same or different and are selected, for example, from hydrogen, hydroxyl, cyano, halogen, carboxylic acid or ester, thio, thioethers, sulfonic acid or ester groups, sulfinic acid or ester groups, amino, alkylamino, dialkylamino, arylamino, diarylamino, alkylarylamino, cycloalkylamino, acylamino, acyloxy, acyl, nitro, C.sub.1 -C.sub.20 substituted or unsubstituted, saturated or unsaturated, straight chain, branched or cyclic aliphatic moieties, C.sub.6 -C.sub.32 substituted or unsubstituted aromatic moieties, and C.sub.1 -C.sub.18 alkoxy moieties, are improved by the addition of water-soluble, acidic or neutral inorganic salts of Periodic Table Group IA elements, Group IIA elements, and nickel. Such salts are typified by CaCl.sub.2, KCl, MgSO.sub.4, NaBr, NaCl, and NiCl.sub.2.

Abstract: Fine-grain silver halide emulsions of the Lippmann-type are described which comprise derivatives of heterocyclic mercaptans corresponding to the formulae: ##STR1## wherein: each of Z.sub.1 and Z.sub.2 represents the atoms necessary to complete a 5- or 6-membered heterocyclic ring system,n is 0 or 1,X is --CO-- or --CS--,R is an alkyl group or an aryl group, andY is --CO--, --COO--, --CS--, --SO.sub.2 --, --CON(R.sub.1)-- or --CSN(R.sub.1)--, R.sub.1 being hydrogen, alkyl or aryl.Both in reversal and negative processing sharpness of fine detail is improved and the distortion of image-details is reduced. Upon reversal processing yellow staining is also reduced.

Abstract: Hydroquinone esters are incorporated in or behind a timing layer with a high activation energy to release a competing developer upon contact with a processing composition.

Abstract: A photographic element comprising a support, a layer containing certain photographically useful and/or active fragments and a layer containing a dye mordant composition comprising a polymer having recurring units of the formula selected from the group consisting of: ##STR1## wherein: R.sup.2 is hydrogen or alkyl;R.sup.1 is hydrogen, alkyl or aryl;L is a linking group;W is an electron-withdrawing group;X is a leaving group; andn is 0 or 1.The polymeric mordants covalently bond with dyes or dye precursors and are especially useful in diffusion transfer processes.

Abstract: A .beta.-eliminating graft copolymer useful as a diffusion control layer in film units adapted for diffusion transfer processes is disclosed.

Abstract: Novel color forming couplers for use in silver halide color photography are described. These couplers upon oxidative coupling with an aromatic primary amino color developing agent produce dyes of improved stability against light and dyes having favorable spectral absorption characteristics. The couplers have high coupling activity and thus produce high color densities.The novel couplers are acylacetanilide compounds whereof the phenyl nucleus of the anilide group carries oxyhydrocarbon groups, preferably alkoxy groups in the 2-, 4- and 5-position with respect to the amido group.

Abstract: A radiation-sensitive element is disclosed including a radiation-sensitive layer comprised of a cobalt(III)complex and a photoreductant. A process is disclosed in which the photoreductant is converted to a reducing agent by exposure to electromagnetic radiation longer than 300 nanometers. The reducing agent is then reacted with a cobalt(III)complex. Images can be recorded directly within the radiation-sensitive layer or in a separate image-recording element or layer by use of the residual cobalt(III)complex not exposed or one or more of the reaction products produced by exposure. By using the ammonia liberated from ammine ligand containing cobalt(III)complexes on exposure in combination with imagewise and uniform exposures, positive or negative images can be formed in diazo image-recording layers or elements associated with the radiation-sensitive layer. By the selection of amine-responsive reducing agent precursors, the amines released by the cobalt(III) complexes cause an amplified image.

Abstract: A silver halide photo-sensitive material is provided having a hydrophilic colloid layer containing dispersed therein finely divided particles of a substantially water-immiscible mixture containing a hydrophobic photographic substance. The aforesaid mixture contains a polymer having recurring units represented by the following general formula (I) ##STR1## where, in the above formula, R.sub.1 represents a hydrogen atom or methyl group, R.sub.2 represents a hydrogen atom or substituted or unsubstituted aliphatic hydrocarbon radical containing 1 to 12 carbon atoms, X represents a bivalent substituted or unsubstituted aliphatic hydrocarbon radical containing 2 to 8 carbon atoms, and n is an integer of 1 to 50.

Abstract: A light-sensitive silver halide photographic material comprising a m-aminophenol type coupler of the structure particularly defined therein is disclosed, which can successfully yield an excellent image stable against oxidation.

Abstract: In a photographic element for the color diffusion transfer process including a neutralizing system for reducing the pH of an aqueous alkaline processing solution which comprises a neutralizing layer and a timing layer, the improvement which comprises the timing layer comprising a polymer latex which is produced by emulsion polymerization of (1) each of (A) at least one monomer selected from the group consisting of ethylene-type monomers having at least a free carboxylic acid group, a free sulfonic acid group or a free phosphoric acid group or a salt thereof and (B) at least one monomer selected from the group consisting of monomers represented by the following general formula (I) ##STR1## wherein X is a hydrogen atom, a methyl group or a --COOR.sup.1 group; Y is a hydrogen atom, a methyl group or a --(CH.sub.2).sub.n COOR.sup.2 group; Z is an aryl group, a --COOR.sup.3 group or a ##STR2## group; R.sup.1, R.sup.2 and R.sup.

Abstract: Photographic elements, processes for forming images in photographic elements and new compounds are disclosed. Generally, the invention relates to improved 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.

Abstract: An improved process is disclosed for uniformly dispersing hydrophobic materials through a hydrophilic colloid layer such as, for example, a photographically useful layer containing gelatin. The process over which the present invention is a valuable improvement comprises the steps:(a) forming an aqueous dispersion by intermixing the hydrophobic material and an aqueous polymeric latex, optionally including gelatin in the dispersion;(b) forming a wet layer by coating onto a suitable support the aqueous dispersion from step (a); and(c) thereafter removing a substantial proportion of the water from the wet layer through which the hydrophobic material is dispersed.The present process relates particularly to improvements in step (a), wherein the "aqueous dispersion" is formed by blending a loadable polymeric latex into a solution of the hydrophobic material dissolved in a water-miscible solvent using techniques which avoid coagulation of the hydrophobic material or the particles of the latex.

Abstract: An image forming material comprising a support having thereon a layer composed of a Ge--S composition or a Ge--S--X composition wherein X represents at least one element selected from the group consisting of Al, Si, Mg, Ti, V, Mn, Co, Ni, Sn, Zn, Pd, In, Se, Te, Fe, I, P and O which undergoes a structural change capable of being detected optically, electrically or chemically upon exposure imagewise to light wherein the Ge--S or Ge--S--X composition layer has a thickness of at least about 300A and contains therein at least one element selected from the group consisting of Ag, Cu and Pb in an amount of more than 2 atoms of Ag, Cu and/or Pb based on 100 atoms of the Ge--S composition or the Ge--S--X composition.

Abstract: An improvement in the prevention color-fog and staining in color-photographic materials is obtained by the inclusion of acylamino substituted hydroquinones derivatives. The compounds can easily be synthesized do not crystalize from their dispersions and are not oxidized to colored by-products during development.

Abstract: A method for dispersing an oil-soluble photographic additive which comprises dissolving the additive in an organic solvent and dispersing the resulting solution of the photographic additive in water or a hydrophilic colloid composition in the presence of a surface active polymer comprising (a) a homopolymer of units represented by the formula (I): ##STR1## wherein R is an aliphatic hydrocarbon group having 4 to 22 carbon atoms; m.sub.1 and m.sub.2 each is 0 or 1; B is --O-- or --NH--; A is a divalent aliphatic group having 1 to 50 carbon atoms; and M is a hydrogen atom or a cation group capable of forming a salt with a sulfonic acid group, or (b) a copolymer containing at least 5 mol% of units represented by the formula (I) above and the balance of divalent units copolymerizable therewith and comprising at least one of a benzene ring having a methylene group attached thereto and a naphthalene ring having a methylene group attached thereto.

Abstract: A planographic printing plate material comprising a support and a light sensitive layer provided on the support, the light-sensitive layer being composed of (A) an inorganic material; (B) at least one metal and/or metal compound [(A)/(B) are capable of reacting with each other upon application of electromagnetic radiation] and (C) an organic compound capable of affecting the reaction between the inorganic material (A) and the metal and/or metal compound (B), wherein the inorganic material (A), the metal or metal compound (B), and the organic compound (C) are in contact with each other. When the light-sensitive layer is exposed to electromagnetic radiation, a difference in the hydrophilic or oleophilic nature of the exposed areas and the unexposed areas results, whereby a planographic printing plate is obtained which can be mounted on a printing machine and printed without any other treatments.

Abstract: A silver halide photographic material comprising a support having thereon at least one silver halide photographic emulsion layer with the silver halide photographic material containing, as an ultraviolet light absorbing agent, at least one compound having the general formula (I) ##STR1## wherein R.sub.1 and R.sub.2, which may be the same or different, each represents a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, or an aryl group having 6 to 20 carbon atoms, provided that the both of R.sub.1 and R.sub.2 do not simultaneously represent hydrogen atoms, and further, R.sub.1 and R.sub.2 can combine and form a cyclic amino group; R.sub.3 represents a carboxyl group, --COOR.sub.5, --COR.sub.5 or --SO.sub.2 R.sub.5, and R.sub.4 represents a carboxyl group, --COOR.sub.6, or --COR.sub.6 wherein R.sub.5 and R.sub.6, which may be the same or different, each represents an alkyl group having 1 to 20 carbon atoms, or an aryl group having 6 to 20 carbon atoms and further, R.sub.5 and R.sub.

Abstract: A silver halide photographic light-sensitive material comprising a support having thereon at least one silver halide emulsion layer, with the photographic light-sensitive material having a hydrophilic organic colloid layer containing a dispersion of a scarcely water-soluble photographic additive dissolved in an aromatic ester represented by the following general formula (I): ##STR1## wherein R.sub.1 represents an alkyl group, an alkoxy group, an acyloxy group, an aryloxy group, an alkoxycarbonyl group or a halogen atom; R.sub.2 represents a cyclic saturated hydrocarbon group; m represents an integer of 0 to 5; n represents an integer of 1 to 6; and when m and n each represents an integer of 2 or more, the substituents represented by R.sub.1 or R.sub.2 can be the same or different.

Abstract: A method of incorporating water insoluble additives (e.g. sensitizing dyes) in colloid layers of photographic silver halide material is provided. The additives are dissolved in a fused water soluble organic compound (e.g. sorbitol or succinimide) and the resulting mixture is either directly added to an aqueous photographic emulsion or is dissolved in the minimum of water or organic solvent and this concentrated aqueous solution is then added to the aqueous photographic emulsion and the whole is then coated as a layer which is part of a photographic material.

Abstract: A photographic element comprising a support, a layer containing certain photographically useful and/or active fragments and a layer containing a dye mordant composition comprising a polymer having recurring units of the formula selected from the group consisting of: ##STR1## wherein: R.sup.2 is hydrogen or alkyl;R.sup.1 is hydrogen, alkyl or aryl;L is a linking group;W is an electron-withdrawing group;X is a leaving group; andn is 0 or 1.The polymeric mordants covalently bond with dyes or dye precursors and are especially useful in diffusion transfer processes.

Abstract: Undesired color fog obtained on color development of a color photographic material with a primary aromatic amino color developing agent may be reduced when the development is carried out in the presence of an antifogging agent (antistaining agent) of the formula ##STR1## in which R.sup.1 is an acyl group and R.sup.2 and R.sub.3 are (same or different) hydrogen, alkyl, halogen, sulfo or carboxyl.The antistaining agent is preferable incorporated in non-diffusible form in one or more of the layers of the photographic material.

Abstract: A light-sensitive silver halide photographic material containing a substantially non-diffusible compound having oxidation power on a hydroquinone developing agent in a hydrophilic colloidal layer is processed, after light exposure, with a developer containing the said hydroquinone developing agent to form a high-contrast silver image.

Abstract: For controlling in a color photographic material the gradation, graininess, sharpness, edge and interimage effect and thus improving the overall color reproduction thioether DIR compounds of the following formula are particularly useful: ##STR1## in which X is a group that if split off together with the sulfur atom forms a diffusing development inhibiting mercaptan, Y represents --O--, ##STR2## or --S--, Z represents the ring members completing a 6-membered heterocyclic ring, R.sup.1 is an aliphatic, araliphatic or aromatic hydrocarbon group, a heterocyclic group or acyl, and R.sup.2 is the same as R.sup.1 or hydrogen.

Abstract: A silver halide photographic material comprising an aluminum support having thereon an anodized aluminum oxide layer and a light sensitive silver halide layer containing a silver halide developing agent thereon with a subbing layer containing at least either a silver halide or a developing agent suitable for a silver halide in an amount less than the quantity contained in the light-sensitive layer, which can be used to produce a relief image possessing high printing durability by successively receiving an image-wise exposure, an alkaline solution development, a washing-off and a drying.