Abstract: The present invention provides a dye diffusion transfer imaging process comprising transferring image-wise by diffusion an acid dye to an image-receiving layer incorporating a non-polymeric phosphonium mordanting agent and a copolymer latex comprising free weak acid groups as a stabilizer for the mordanting agent, wherein the image-wise transfer of said acid dye is performed in the presence of a heterocyclic compound corresponding to one of the following general formulae I, II, and III: ##STR1## wherein: Y represents the non-metallic atoms needed to complete a saturated or unsaturated 5- or 6-membered heterocyclic nucleus, which may carry a fused-on aromatic ring system, and M represents hydrogen, an alkali metal atom, a quaternary ammonium group, or a negative charge forming an inner salt with a quaternized nitrogen atom of the heterocyclic compound. The invention also provides an image receptor element for dye diffusion transfer imaging processes comprising a support and such image-receiving layer.

Abstract: The present invention provides an image receptor element for dye diffusion transfer imaging processes, which comprises a support and an image-receiving layer incorporating a hydrophilic colloid and a mordanting polymer having quaternary ammonium groups and comprising polyalkylpiperidine units, which polymer is capable of fixing acid dyes transferred to said image-receiving layer by diffusion. The present invention also provides a monosheet light-sensitive color photographic element comprising as integrating constituents a light-sensitive element and such an image receptor element.

Abstract: Copolymeric mordants coatable from water into copolymeric mordant layers for photographic products and processes are disclosed. The copolymeric mordants comprise polymerized repeating units from first and second polymerizable vinylbenzyl quaternary ammonium compounds (the first polymerizable compound, if homopolymerized, providing a water-soluble homopolymer and the second polymerizable compound being a micelle-forming compound which, if homopolymerized, forms a water-insoluble homopolymer). The copolymeric mordants are coatable to image-receiving layers for the mordanting of dyes in photographic products and processes.

Abstract: A photographic element comprising a layer having a polymeric mordant which comprises repeating units represented by formula (I) and repeating units represented by at least one of formulae (II), (III) and (IV) ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 each represents a hydrogen atom or a straight or branched alkyl group,L represents a divalent linking group, andp represents 0 or 1; ##STR2## wherein R.sub.5 represents a hydrogen atom or a straight or branched alkyl group,R.sub.6 represents a divalent hydrocarbon group,R.sub.7 represents a hydrogen atom, a straight or branched alkyl group, an aryl group, or an aralkyl group,A represents a divalent linking group bound to the main polymer chain through a carbon atom, andn represents an integer of from 1 to 30; ##STR3## wherein R.sub.5 ' and R.sub.8 ' each represents a hydrogen atom or a straight or branched alkyl group,R.sub.6 ', R.sub.6 ", and R.sub.6 '" each represents a divalent hydrocarbon group,R.sub.7 ', R.sub.7 ", and R.sub.

Abstract: An image receiving material suitable for image production by dye diffusion transfer processing controlled by the development of (an) image-wise exposed silver halide emulsion layer(s), wherein the support of said material is a resin support coated with gelatin in admixture with a cationic polymeric mordant containing glycidyl groups that can react with active hydrogen atoms of the gelatin, wherein said support is made of a vinyl chloride polymer and said support is coated with an image receiving layer wherein the weight ratio of said polymeric mordant to gelatin is from 25:1 to 2.5:1, and the gelatin coverage is at least 0.1 g per m2. In a particular embodiment the image receiving layer is used in the production of a laminar article serving as identification document.

Abstract: A photographic element containing a polymer comprising a recurring unit of general formula (I) and at least one recurring unit selected from the group of units of general formulae (II), (III) and IV) ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 each represents a hydrogen atom or an alkyl group of 1 to 6 carbon atoms; L represents a divalent linking group of 1 to 20 carbon atoms; and m is 0 or 1; ##STR2## wherein R.sub.1a represents a hydrogen atom or an alkyl group of 1 to 6 carbon atoms; R.sub.4 is an alkyl group, an aryl group or an aralkyl group; and n is 0 or 1; ##STR3## wherein R.sub.1a is as defined in general formula (II); R.sub.5 and R.sub.6 each represents a hydrogen atom or an alkyl group, an alkoxy group, an aryl group or an aralkyl group; and p and q each is equal to 0 or 1; and ##STR4## wherein R.sub.1a is as defined in general formula (II); and D is a divalent linking group necessary for the formation of a 5- to 7-membered ring with the nitrogen atom and carbonyl group.

Abstract: Sharper edges are obtained in silver halide wash-off films for tanning development when from 5 to 60% of the unhardened gelatin binder in one or more layers is replaced with a synthetic amphoteric polymer consisting essentially of at least one of each of three constituents: (a) carboxylic acid, (b) alkyl primary amine, and (c) secondary and/or tertiary amine, the amphoteric polymer having an isoelectric point of from 4 to 8.

Abstract: There is disclosed a light-sensitive silver halide color photographic material having red-sensitive, green-sensitive and blue-sensitive emulsion layers, each layer consisting of two or more layers with different sensitivities on a support, wherein the layers are constituted so as to satisfy the following requirements (A), (B), (C) and (D):(A) of the respective emulsion layers having the highest sensitivities among the the red-sensitive, green-sensitive and blue-sensitive emulsion layers, the highest sensitivity blue-sensitive emulsion layer is provided on the side farthest from the support;(B) at least the the highest sensitivity red-sensitive emulsion layer and the highest sensitivity green-sensitive emulsion layer are provided between the the highest blue-sensitive emulsion layer and a blue-sensitive emulsion layer with lower sensitivity;(C) none of the respective red-sensitive, green-sensitive and blue-sensitive emulsion layers having the lowest sensitivities exists on the side farther than the low sensiti

Abstract: A photographic element comprising at least one layer containing a polymeric mordant represented by formula (I) ##STR1## wherein A represents a repeating unit derived from a copolymerizable monomer having at least two ethylenically unsaturated groups;B represents a repeating unit derived from a copolymerizable ethylenically unsaturated monomer other than the repeating unit of A and the repeating unit having the copolymerization ratio of z;R.sup.1 represents a hydrogen atom or a lower alkyl group;R.sup.2, R.sup.3, and R.sup.4 each represents an unsubstituted or substituted alkyl or aralkyl group, or two or more of R.sup.2, R.sup.3, and R.sup.4 are bonded to form a cyclic structure together with the adjacent nitrogen atom, and the total number of carbon atoms of R.sup.2, R.sup.3, and R.sup.4 is 12 or more;R.sup.5 represents an unsubstituted or substituted alkyl, alkoxy, or acylamino group having 1 to 20 carbon atoms, or a halogen atom;m is 0, 1 or 2, and n is an integer of from 1 to 12;X.sup..crclbar.

Abstract: A color photographic light-sensitive material is described, having on a support silver halide emulsion layers associated with a yellow dye-providing compound, a magenta dye-providing compound, and a cyan dye-providing compound, and having thereon the same support or having a different support an image-receiving layer, said image-receiving layer comprising (1) a first image-receiving layer containing at least one kind of a cyclic quaternary ammonium mordant (I) having a quaternary ammonium salt moiety of a saturated cyclic amine or pyridine as a recurring unit for preferentially mordanting a cyan dye released or formed from said cyan dye-providing compound as a result of development and (2) a second image-receiving layer containing at least one kind of a quaternary ammonium mordant (II) having a quaternary ammonium salt moiety of an acyclic amine as a recurring unit for selectively mardanting a magenta dye and a yellow dye released or formed from said magenta dye-providing compound and said yellow dye-providin

Abstract: A silver salt diffusion transfer photographic element is disclosed, comprising a support, an image-receiving layer containing at least a silver-precipitating nucleus provided on the support, and a layer containing cellulose acetate having a degree of acetylation of 40 to 49% and a cationic polymer electrolyte sandwiched between the support and the image-receiving layer.

Abstract: A photographic element having at least one layer containing a copolymer mordant having the repeating unit represented by the following general formula (I) ##STR1## wherein A represents a monomer unit (copolymer component) derived from a copolymerizable monomer having at least two ethylenically unsaturated groups; B represents a monomer unit (copolymer unit) derived from a copolymerizable ethylenically unsaturated monomer represented by the following general formula (II) ##STR2## wherein R.sub.5 represents a hydrogen atom or an alkyl group; L represents an alkylene group or an arylene group; and m is 0 or 1; D represents a monomer unit (copolymer component) derived from a copolymerizable ethylenically unsaturated monomer other than the monomer units shown by A and B and the monomer unit having component ratio z; R.sub.1 represents a hydrogen atom or a lower alkyl group; R.sub.2, R.sub.3 and R.sub.4, which may be the same or different, each represents an alkyl group or an aralkyl group, and at least two of R.

Abstract: A photographic element containing, as a mordant, a polymer comprising a monomer unit having at least an imidazole ring and a monomer unit having at least a sulfinic acid group. The mordant provides dye images of high transfer density and improves fastness of the dye images to light or high temperature and humidity.

Abstract: An image receptor layer suitable for the production of dye diffusion images with improved light fastness contains, as mordant, a mixture of from 5 to 70%, by weight, of a polymer containing cationic groups and obtained by homo- or co-polymerization of ethylenically unsaturated monomers and from 30 to 95%, by weight, of a second polymer, which is free from cationic groups and has been obtained by homo- or statistical co-polymerization of N-vinyl imidazole or 2-methyl-2-vinyl imidazole and optionally other co-polymerizable monomers.

Abstract: Photographic elements and diffusion transfer assemblages are described which contain a novel mordant comprising a polymeric backbone having appended thereto nitrogen-coordinating ligands having the formula: ##STR1## wherein D.sup.1, D.sup.2, D.sup.3 each independently represents the atoms necessary to complete an aromatic heterocyclic nucleus having at least one ring of 5 to 7 atoms.In a preferred embodiment, the mordant comprises recurring units having the formula: ##STR2## wherein: R.sup.1 and R.sup.2 each independently represents hydrogen or an alkyl or substituted alkyl group having from 1 to about 6 carbon atoms;Link represents a bivalent linking group; andLIG represents a nitrogen-coordinating ligand as described above.

Abstract: Copolymeric mordant materials containing recurring units according to the following formula are disclosed: ##STR1## In such copolymers, each of R.sup.1, R.sup.2 and R.sup.3 can independently be alkyl; substituted-alkyl; cycloalkyl; aryl; aralkyl; alkaryl; or at least two of R.sup.1, R.sup.2 and R.sup.3, together with the quaternary nitrogen atom to which they are bonded, can complete a saturated or unsaturated, substituted or unsubstituted nitrogen-containing heterocyclic ring; X is an anion; each R.sup.4 is alkyl of from 1 to 6 carbon atoms; R.sup.5 is a divalent alkylene of from 1 to 8 carbon atoms; R.sup.6 is hydrogen, amino, phenyl or alkyl of from 1 to 4 carbon atoms; R.sup.7 is hydrogen or methyl; and m is an integer 1 or 2. The molar ratio of a:b can range from about 0.1:1 to about 10:1, e.g., about 0.3:1 to about 3:1.The copolymeric mordant materials can be utilized as image-receiving layers in photographic products and processes of the diffusion transfer type.

Abstract: Photographic element used in color diffusion transfer processes comprising an image receiving layer containing a polymer having monomer units represented by either Formula I or Formula II ##STR1## wherein A is a copolymerizable monomer unit having at least two ethylenically unsaturated groups; B and B' are copolymerizable .alpha.,.beta.-ethylenically unsaturated monomer units; each R.sub.1 is independently hydrogen or methyl; R.sub.2 and R.sub.3 are independently hydrogen, alkyl, or aryl; R.sub.4, R.sub.5 and R.sub.6 are independently alkyl groups; L.sub.1 and L.sub.2 are independently divalent combining groups; X is a monovalent anion; x, y, z, p, q, r, and s, are each copolymerization mole percentages as follows: 0.5.ltoreq.x.ltoreq.6, 0.ltoreq.y.ltoreq.79.5, 20.ltoreq.z.ltoreq.99.5, 0.ltoreq.p.ltoreq.6, 0.ltoreq.q.ltoreq.80, 10.ltoreq.r.ltoreq.90, and 10.ltoreq.s.ltoreq.90.

Abstract: A silver halide photographic light-sensitive material is disclosed. The material is comprised of a support base having thereon a silver halide emulsion layer and a high molecular compound having a repeating unit containing a residue of benzotriazoles. The repeating unit may be represented by the general formula (I) ##STR1## wherein R.sup.1 represents a hydrogen atom or a lower alkyl group, L represents a divalent bonding group, and X represents a monovalent group of benzotriazoles. Improved antifogging agent effects are obtained by utilizing the high molecular compound of applicants' invention in connection with silver halide photographic light-sensitive materials.

Abstract: A novel compound having the formula: ##STR1## wherein: R is alkyl containing from 1 to 10 carbon atoms; andM is a monovalent cation, selected from the group consisting of alkali metal and ammonium, has been synthesized in high yield by hydrogenating the corresponding arylsulfonate in a solvent which simultaneously prevents hydration of the sulfonate group and hydrolysis of the ester functions. The compound is useful in preparing condensation polymers having ionic groups. In particular, these condensation polymers comprise additional polymerized copolymerizable dicarboxylic acids and diols, diamines or hydroxyamines, to yield polyesterionomers useful in dye imbibition photohardenable imaging materials for forming positive dye images.

Abstract: A photographic recording material is disclosed. The material is comprised of a transparent support base and a number of layers positioned on that base. A dye ligand or a dye ligand-forming substance is positioned on the base and is associated with a light-sensitive silver halide emulsion. In addition, the material contains a mordant layer, an alkaline processing composition, and a means for releasing the composition throughout the photographic recording material in an integrated manner or as a different system. The mordant layer contains a coordination polymer composed of a ligand represented by a general formula (I) defined within the application and a metal ion. The invention makes it possible to immobilize a metal ion using inexpensive, easily available metal-chelatable ligands.

Abstract: Image-receiving elements for use in photographic diffusion transfer products and processes and including a unitary image-receiving and decolorizing layer are disclosed. The unitary image-receiving and decolorizing layer comprises a mixture of gelatin, an organic monobasic or polybasic acid or anhydride and a copolymeric mordant comprising recurring units from a vinylpyridine and from a copolymerizable vinylbenzyl quaternary ammonium salt. The image-receiving elements can be used in diffusion transfer products and processes for the provision of color images which appear satisfactorily to emerge from a white background and which exhibit desirable densitometric characteristics.

Abstract: Photographic elements and diffusion transfer assemblages are described which contain a novel polymeric mordant comprising recurring units having the formula ##STR1## wherein A represents recurring units derived from an .alpha.,.beta.-ethylenically unsaturated monomer;B represents recurring units derived from a monomer containing at least two ethylenically unsaturated groups;QN.sup..sym. represents a moiety containing a quaternized nitrogen group;R.sup.1 represents an alkoxy group having from 1 to about 8 carbon atoms or an alkylenedioxy group having from 1 to about 4 carbon atoms, the group being appended to an aromatic group of A;R.sup.2 represents an alkoxy group having from 1 to about 8 carbon atoms or an alkylenedioxy group having from 1 to about 4 carbon atoms, the group being appended to an aromatic group of QN.sup..sym.

Abstract: A dye preparation consists of a water-soluble acid dye and a water-insoluble basic carrier. The carrier consists of crosslinked polymer particles of average particle diameter of less than 1 .mu.m and contains at least 2 mVal/g of quaternary ammonium or phosphonium groups. The dye reacts with the carrier in an ion exchange reaction and forms a dye polymer latex which can easily isolated in solid form, stored indefinitely and redispersed in water whenever required. It forms a so-called self-dispersing dye preparation. The dye preparation is useful for making dyed layers such as in photographic recording materials.

Abstract: Photographic element and diffusion transfer assemblages are described which contain a novel mordant comprising recurring units having the formula ##STR1## wherein A represents recurring units derived from an .alpha.,.beta.-ethylenically unsaturated monomer;R represents hydrogen or methyl;each R.sup.1 independently represents hydrogen or an alkyl group of 1 to about 4 carbon atoms;Q represents an alkyl, substituted alkyl, cycloalkyl, aryl or substituted aryl group;X.sup..crclbar. represents an anion;w is from about 0 to about 25 mole percent;x is from about 30 to about 90 mole percent;y is from about 8 to about 65 mole percent;andz is from about 2 to about 9 mole percent.

Abstract: A process for the production of a sealed laminate especially a security document comprising a support sheet, an image layer containing a photographic image present in a hardened hydrophilic diffusion transfer reversal image-receiving colloid medium made from an image receiving layer containing photosensitive iron(III) compound, and a protective cover sheet is described wherein:(1) the support sheet is of a polymeric heat meltable material,(2) the image layer is disposed adherently on the support sheet to cover the support area only partly and to leave uncovered at least one edge area thereof,(3) the protective sheet is of a heat-meltable material which in the melted state is capable of forming a homogeneous mass with melted support sheet material, and(4) the protective cover sheet is heat sealed to the support sheet in the uncovered areas thereof to form the homogeneous mass, whereby said image layer is sealed between the support sheet and the protective sheet.

Abstract: Polymeric mordants which are capable of converting to non-mordanting species in an alkaline environment are described. The mordants can be used in photographic elements to temporarily mordant a photographically useful dye material, such as a light-filter or anti-halation dye or a diffusion transfer image dye-providing material, and then release the dye material during processing of the element with an alkaline processing composition.

Abstract: Granularity of silver halide photographic materials is reduced by employing a coupler which yields a dye of such mobility that controlled image smearing occurs.

Abstract: Photographic elements, diffusion transfer assemblages and processes are described wherein a dye image-receiving layer comprising a poly(vinylimidazole) mordant is employed in a nonmordanting, water-permeable polymeric vehicle. The polymeric vehicle comprises recurring units derived from a hydroxyalkyl acrylate ester, and/or an N-hydroxyalkylacrylamide, and/or an N-alkylacrylamide. Image sharpness is thereby improved, especially under conditions of high temperature and humidity.

Abstract: A silver halide photosensitive material comprising a support, a silver halide photosensitive layer, and a protective layer formed on said support. The protective layer is essentially composed on a plurality of non-photosensitive hydrophilic colloidal layers at least one of which contains oil particles. The outermost layer of the hydrophilic colloidal layers contains a matting agent in the form of colloidal particles and has a thickness of not more than one fourth of the average size of the matting agent particles and wherein the density of the oil particles in said outermost layer does not exceed 0.2 by volume of the binder, and that of the oil particles in the protective layers other than the outermost layer is in the range of 0.1 to 0.8.

Abstract: A loaded polymer latex composition is disclosed. The composition comprises an aqueous polymer latex whose dispersed phase is made up of a specified cross-linked quaternary salt polymer loaded with a specified hydrophobic substance. The latex composition can be advantageously employed as a mordant polymer in a photographic element for a color diffusion transfer process. Use of the latex improves light resistance without lowering the maximum densities of the film images.

Abstract: Nickel complexes of diazabicyclooctane derivatives of one of the following formulae I and II are useful metallizing agents for the formation of metal complexed image dyes in image receiving elements for the dye diffusion transfer process ##STR1## In these formulae R.sup.1 represents an n-functional aliphatic hydrocarbon radical optionally containing carbocyclic or heterocyclic groups, carbonyl groups, sulphonyl groups and/or heteroatoms (O, S, N) as intermediate members;R.sup.2 and R.sup.3 represent hydrogen or alkyl;A.sup..crclbar. represents an anion; andn represents a number of from 1 to 5.

Abstract: An image receptor element for the dye diffusion transfer process contains an image-receiving layer, which has increasing dye absorption capacity with increasing distance from the light-sensitive layers. Such an image-receiving layer may be obtained by use of mordants in concentrations which increase with increasing distance from the light-sensitive layers or by use of at least two mordants of different dye absorption capacity, the mordant of higher dye absorption capacity being arranged in a partial layer of the image-receiving layer further away from the light-sensitive layers. Such image receptor elements provide higher dye densities with lower total concentrations of mordants.

Abstract: Addition polymers containing at least 10 mole % of recurring structural units of formula I are useful mordants for acid dyes which preferably contain at least two sulfo groups. The polymers can be used together with the dyes in dyed layers of photographic recording materials, such as in antihalo or filter layers. ##STR1## in which Q represents N or P;R.sup.1, R.sup.2, R.sup.3 represent alkyl or carbocyclic radicals or two of R.sup.1, R.sup.2 and R.sup.3 complete a 5- or 6-membered heterocyclic ring,R.sup.4 represents H or alkyl,X.sup..crclbar. represents an anion.

Abstract: A positive, continuous tone, dye image is produced by means of a dye imbibition imaging element comprising (a) a support having thereon, (b) a cationic mordant layer for an anionic dye, and (c) a sensitized photohardenable photopolymer layer consisting essentially of a photosensitive polyesterionomer. A process for forming a positive, continuous tone dye image in a dye imbibition imaging element, as described, comprises the steps of: (1) imagewise exposing the photopolymer layer of the element to activating radiation to imagewise harden the photopolymer layer; then (2) developing the photopolymer layer by means of water rinsing; and, then (3) imbibing an anionic dye into the mordant layer through the unexposed areas of the photopolymer layer. Alternatively, the process comprises immersing the imagewise-exposed element from step (1) into a bath comprising the anionic dye without the need for a water rinsing step.

Abstract: A photographic print prepared by a color diffusion transfer process comprising at least a support, a mordant layer containing therein a diffusion transfer dye image, and a white reflection layer constituting the background of the dye image and containing therein at least one compound represented by formula (I): ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 may be the same or different and each represents a hydrogen atom, a halogen atom, an alkyl group, an aryl group, an aralkyl group, an alkoxy group, an aryloxy group, an aralkyloxy group, an alkenyl group, an alkenyloxy group, an alkylthio group, an arylthio group, an acyl group, an acylamino group, a diacylamino group, an alkylamino group, a sulfonamido group, an acyloxy group, an alkoxycarbonyl group, or an aryloxycarbonyl group, and A represents a non-metallic atom group necessary for forming a 5- or 6-membered ring.

Abstract: Photographic elements, diffusion transfer assemblages and processes are described wherein a polymeric vehicle is employed in a metallizable dye image-receiving layer, a layer adjacent thereto or both. The polymeric vehicle comprises a cross-linked polymer derived from recurring units of an acrylamide, a 1-vinyl-2-pyrrolidone or a 2-hydroxyethyl acrylate and a cross-linkable monomer.

Abstract: Copolymeric mordant materials containing recurring units according to the following formula are disclosed: ##STR1## In such copolymers, each of R.sup.1, R.sup.2 and R.sup.3 can independently be alkyl; substituted alkyl; cycloalkyl; aryl; aralkyl; alkaryl; or at least two of R.sup.1, R.sup.2 and R.sup.3, together with the quaternary nitrogen atom to which they are bonded, can complete a saturated or unsaturated, substituted or unsubstituted nitrogen-containing heterocyclic ring; and X is an anion. The molar ratio of a:b can range from about 0.1:1 to about 10:1, e.g., about 0.3:1 to about 3:1.The copolymeric mordant materials can be utilized as image-receiving layers and in photographic products and processes of the diffusion transfer type. The mordants are especially adapted to the production of dye images free of objectionable haze, yellowing or related image defects.

Abstract: The present invention is directed to a photographic material based upon silver halide emulsions comprising an emulsion layer containing a diffusible dye, and an antihalation layer containing a mordant for fixing the diffusible dye superimposed directly over the emulsion layer, the antihalation layer having its maximum degree of absorption in the same spectal range as the maximum degree of sensitivity of the emulsion layer.

Abstract: A photographic light-sensitive material comprising at least one layer containing a polymer dispersion of the following formula (I) or (II) as a mordant ##STR1## wherein A represents a monomer unit obtained from at least one monomer having at least two copolymerizable ethylenically unsaturated groups at least one of which is in the side chain; B represents a monomer unit obtained from at least one copolymerizable monoethylenically unsaturated monomer; D.sup..sym. represents a 5- or 6-membered heterocyclic group containing one or two nitrogen atoms one of which is positively charged and D may contain one or more substituents; R.sub.1 represents a hydrogen atom or a lower alkyl group; R.sub.2 and R.sub.3, which may be the same or different, each represents an alkyl group or an aralkyl group, or R.sub.2 and R.sub.3 may combine together with the nitrogen atom to which they are attached and form a 5- or 6-membered ring; X.sup..crclbar.

Abstract: A mordant layer for a color diffusion transfer photographic element containing a cationic polymer latex obtained by emulsion-polymerizing a monomer represented by formula (I) ##STR1## wherein R.sub.1 and R.sub.2 each represents hydrogen or an alkyl group having from 1 to 6 carbon atoms; R.sub.3, R.sub.4, and R.sub.5 each can represent an alkyl group having from 1 to 20 carbon atoms, or an aralkyl group having from 7 to 10 carbon atoms, or any two or R.sub.3, R.sub.4, and R.sub.5 together can form a ring; and X.sup..crclbar. represents an anion; as a shell component for a core component of dispersed particles of a polymer latex obtained by emulsion-polymerizing a water-insoluble monomer or monomers other than the monomer of formula (I).

Abstract: Photographic film units and photographic products and processes using polyphenylene ethers which provide pendant quaternary nitrogen groups as mordants for diffusible dye image-providing materials.

Abstract: A photographic element comprises a support having thereon a layer containing a hydrophilic vehicle having dispersed therein a particulate polymeric material encapsulated with a chelating or already chelated polymer, said element, when the polymer is not already chelated, comprising a source of metal ions. The elements are useful in diffusion transfer processes, and particularly useful with chelating acid dyes or dye-forming materials to provide a metallized dye image.

Abstract: An image dye receiving element comprises a support having thereon in order:(1) a layer comprising a source of metal ions and a binder therefor; and(2) a dye image receiving layer comprising a polymer containing heterocyclic tertiary groups.The receiving element can be used in an image transfer film unit which contains a dye ligand or dye ligand former and the film unit is stable to metal ion wandering and the resulting metallized dye image is stable to fading.

Abstract: A photographic material which comprises a receiving element for transferred dyes is provided. The receiving element comprises a support having coated thereon a mordant layer which is made from a graft polymer prepared from gelatin, a monomer which when homopolymerized yields a water insoluble polymer and a monomer containing a sulphonate group which when homopolymerized yields a water soluble polymer.These receiving elements can be used for mordanting cationic dyes in photographic dye transfer processes.

Abstract: A photographic element comprises a support having thereon a layer containing a copolymer comprising a vinylimidazole in association with metal ions. The metal forms a novel complex with the polymer and photographic elements comprising these materials are useful in diffusion transfer processes, and particularly useful with metal-coordinating dyes such as chelating dyes or dye-forming materials to provide a metallized dye image.

Abstract: A photographic element comprises a support having thereon a layer containing a hydrophilic vehicle having dispersed therein a particulate polymeric material encapsulated with a chelating or already chelated polymer, said element, when the polymer is not already chelated, comprising a source of metal ions. The elements are useful in diffusion transfer processes, and particularly useful with chelating acid dyes or dye-forming materials to provide a metallized dye image.

Abstract: A color imaging device is comprised of means for sensing radiation comprising a planar array of charge-handling semiconductor photosensors, preferably at least one of the photosensors having a radiation sensing area with at least one dimension less than about 100 microns, and superimposed thereon, filter means for controlling access of radiation to the sensing means. The filter means is in micro-registration with the array of photosensors and comprises a transparent mordant layer with a plurality of radiation intercepting means defining a planar array of filter elements. The filter area of each intercepting means contains at least one mordantable dye which absorbs radiation in at least one portion of the spectrum and transmits radiation in at least one other portion of the spectrum. The color imaging device comprises an interlaid pattern having at least two sets of intercepting means, the first set having a different radiation absorption and transmission characteristic from that of the second set.

Abstract: A dye image-receiving layer in a diffusion transfer image-receiving sheet comprises a novel mordant polymer which is a copolymer of 4-vinylpyridine, a monomer containing at least 2 ethylenically unsaturated groups and a monomer containing an .alpha.,.beta.-ethylenically unsaturated group. The polymer has excellent film-forming properties without the use of a solvent and does not require any film hardener.

Abstract: A photographic element comprises a support having thereon a layer containing a novel polymer comprising a recurring unit having the formula: ##STR1## said element comprising a source of metal ions. The elements are useful in diffusion transfer processes, and particularly useful with chelating dyes or dye-forming materials to provide a metallized dye image.

Abstract: A photographic element comprising a support having thereon at least one layer containing acid processed gelatin and a polymeric mordant containing a repeating unit represented by the following general formula (I): ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3, which may be the same or different, each represents an alkyl group and the total number of carbon atoms in R.sub.1, R.sub.2 and R.sub.3 is 12 or more; and X.sup..crclbar. represents an anion.