Abstract: A color diffusion transfer photographic light-sensitive material is disclosed, said light-sensitive material comprising at least one selected from the group consisting of polymers obtained by the condensation of at least one of compounds represented by the general formula (I) and at least one of compounds represented by the general formula (II) in the presence of an acid or alkaline catalyst; polymers obtained by the condensation of at least one of compounds represented by the general formula (I) and at least one of compounds represented by the general formula (III) in the presence of an acid catalyst; novolak resins obtained by the condensation of at least one of compounds represented by the general formula (I) and at least one of compounds represented by the general formula (IV) in the presence of an acid catalyst in a uniform organic solvent system while eliminating off water produced upon azeotropy; and polymers obtained by the condensation of at least one of compounds represented by the general formula (

Abstract: A color diffusion transfer photographic material comprises a base having thereon at least one silver halide emulsion layer and a dye image-receiving layer, at least one layer thereof containing a dye-releasing redox compound and at least one layer thereof containing a development inhibitor-releasing compound represented by the following general formula (I):A--Time).sub.t DIG (I)wherein A represents ##STR1## linked to --Time).sub.t DIG through at least one of R.sup.1, R.sup.2 and EAG; R.sup.1 and R.sup.2, which may be the same or different, each represents a single bond or a substituent other than a hydrogen atom, provided that R.sup.1 and R.sup.2 may be linked to form a ring; EAG represents an electron-accepting group; Time represents a group capable of releasing DIG after EAG accepts an electron; DIG represents a development inhibitor precursor; and t is an integer of 0 or 1.

Abstract: A silver halide light-sensitive material comprising a support having thereon at least one silver halide emulsion layer, and containing a compound containing a repeating unit, said compound containing a repeating unit being connected at the repeating unit to a compound represented by formula (I) at the position of the PWR or Time moiety:PWR--Time.sub.t PUG (I)wherein PWR represents a moiety capable of releasing (Time.sub.t PUG upon reduction, and PUG represents a group which can fulfil a photographically useful function after the release; Time represents a moiety capable of releasing PUG through a reaction subsequent to the release from PWR in the form of --Time.sub.t PUG; and t represents 0 or 1.

Abstract: A novel polymer mordant which is represented by the general formula (I): ##STR1## wherein A represents a monomer unit produced by copolymerization of copolymerizable monomers having at least two ethylenically unsaturated groups; B represents a monomer unit produced by copolymerization of copolymerizable ethylenically unsaturated monomers; R.sup.1 represents a hydrogen atom or a C.sub.1-6 alkyl group; L represents --CH.sub.2 O--, --CH.sub.2 N(R.sup.6)--, ##STR2## in which R.sup.6 and R.sup.7 each represents a hydrogen atom or an alkyl group; M represents a C.sub.1-12 divalent group; R.sup.2, R.sup.3 and R.sup.4, which may be the same or different, each represents a C.sub.1-20 alkyl group or a C.sub.7-20 aralkyl group and at least two of R.sup.2, R.sup.3 and R.sup.4 may be connected to each other to form a cyclic structure together with the nitrogen atom; R.sup.5 represents a C.sub.1-20 alkyl group, a substituted C.sub.1-20 alkyl group, a C.sub.1-20 alkoxy group, a C.sub.

Abstract: A method for forming a color image which comprises imagewise exposing a color photographic material comprising a reflective support having thereon at least one photosensitive layer containing a color coupler capable of forming a dye image through its coupling reaction with an oxidation product of an aromatic primary amine color developing agent and a silver halide emulsion and processing it with a color developing solution containing substantially no benzyl alcohol, wherein the color development is carried out under the condition that a substantially colorless anionic surface active agent having an unsubstituted aliphatic group, a substituted aliphatic group excluding a fluorine-substituted aliphatic group, or an unsubstituted or substituted aromatic group as a hydrophobic group; and --SO.sub.3 M, --SO.sub.2 M, --OSO.sub.3 M, or --OSO.sub.

Abstract: A photographic light-sensitive element is described comprising a support having provided thereon at least one of a light-sensitive silver halide emulsion layer and an image-receiving layer, in which a layer comprising a light-reflective organic polymer is provided between the support and the light-sensitive silver halide layer or the image-receiving layer. The light-reflective organic polymer layer serves as a stripping layer without retarding image-formation.

Abstract: A photographic light-sensitive material comprising a support having thereon at least one light-sensitive silver halide emulsion layer having associated therewith a compound represented by formula (I) ##STR1## wherein Q represents a cyano group, a trifluoromethyl group, or a carbamoyl group represented by the formula --CONR.sup.1 R.sup.2 (wherein R.sup.1 represents a hydrogen atom, an alkyl group, or a substituted alkyl group, and R.sup.2 represents a hydrogen atom, an alkyl group, a substituted alkyl group, an aralkyl group, or an aryl group, or R.sup.1 and R.sup.2 may combine directly or through an oxygen atom to form a ring); M represents an alkyl group, a substituted alkyl group, an alkoxy group, a substituted alkoxy group, or a halogen atom; E.sup.

Abstract: A silver halide photographic light-sensitive material containing, in at least one layer thereof, a compound capable of releasing a fogging agent upon an oxidation-reduction reaction with an oxidation product of a developing agent under an alkaline condition. The material has an increased sensitivity, an increased contrast and an accelerated development rate.

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 halide photographic light-sensitive material is described, comprising a support having provided thereon at least one light-sensitive silver halide emulsion layer associated with a substantially immobile, positive one-equivalent redox compound capable of releasing a photographically useful compound or a precursor thereof as a result of a redox reaction, said compound being represented by formula (I) ##STR1## wherein Acp represents an anion center precursor capable of causing --Z--Q to be released by a quinonemethide type releasing reaction when being reduced R.sup.1 and R.sup.

Abstract: A color diffusion transfer photographic light-sensitive material comprising a support, at least one silver halide layer on the support, said emulsion layer being associated with a dye-providing compound, and an image-receiving layer on the same support as above or on another support, wherein said photographic light-sensitive material is able to provide a transferred dye image composed of a diffusible dye or its precursor released or derived from the dye-providing compound as a result of development under a strong alkaline condition in the presence of at least one meso ionic 1,2,4-triazolium-3-thiolate compound. In the present material, fog can be prevented efficiently without causing the problems of a reduction in sensitivity and a decrease in rate of development.

Abstract: A color photographic light-sensitive material is described, containing at least one light-sensitive silver halide emulsion layer and associated with at least one of said emulsion layer at least one dye-providing compound represented by the following general formula (I): ##STR1## wherein Q.sub.1, G, R.sub.1, R.sub.2, Q.sub.2, J.sub.1, J.sub.2, D, Z, X, Car, m and q are defined as herein.The color photographic light-sensitive material provides a transfer color image with a good hue and a good sharpness.

Abstract: A photographic light-sensitive material comprising a support having provided thereon at least one light-sensitive silver halide emulsion layer in combination with an immobile LDA compound represented by the following general formula (I): ##STR1## wherein n, x, y and z each stands for an integer of 1 or 2; m stands for an integer of 1 or more; D stands for a group containing an electron donor or its precursor moiety; A stands for an organic group linking Nup to --E--Q--Col or D; Nup stands for a precursor of a nucleophilic group; E stands for an electrophilic center; Q is a divalent group; Col stands for a group containing a dye or its precursor moiety; Ball stands for a ballast group; L stands for a linking group; and M stands for an optional substituent, said LDA compound being capable of releasing a diffusible dye or its precursor upon redox reaction.

Abstract: A diffusion transfer color photographic element wherein (1) a light-sensitive sheet comprising a support having superposed thereon at least one silver halide emulsion layer having associated therewith a color image providing compound and (2) a cover sheet comprising a support having thereon at least one neutralizing layer and at least one neutralization timing layer are arranged so that they can contact each other with their supports remote the area of contact and which is so designed that a processing composition may be spread in a uniform layer between the light-sensitive sheet (1) and the cover sheet (2), further wherein a protective layer which consists essentially of a hydrophilic colloid is provided as the topmost layer of the light-sensitive sheet (1) and there is provided an ultraviolet absorbant-containing layer for light-sensitive sheet (1) adjacent the protective layer. The element exhibits improved storage stability.

Abstract: A light reflecting layer for a color diffusion transfer photographic system which comprises at least one compound represented by the general formula (I): ##STR1## wherein R.sub.1 represents an alkyl group having 1 to 9 carbon atoms, R.sub.2 represents an alkyl group having 1 to 5 carbon atoms, and R.sub.3 represents an alkyl group having 1 to 9 carbon atoms or a benzyl group which may be substituted at the .alpha.-position.

Abstract: A photographic light-sensitive material comprising a support having provided thereon at least one silver halide emulsion layer, wherein said light-sensitive material contains:(1) a compound represented by formula (I):PWR--Time--.sub.t PUG (I)wherein PWR represents a group capable of releasing (Time--.sub.t PUG upon being reduced; PUG represents a photographically useful group; Time represents a group capable of releasing PUG through a reaction subsequent to the release from PWR in the form of --Time--.sub.t PUG; and t represents 0 or 1, and(2) a polymer comprising at least 10 repeating units derived from the same monomer and having a molecular weight of 1000 or more. The photographic light-sensitive material exhibits both high activity of a compound capable of releasing a photographically useful group during development processing and preservation stability before development processing.