Abstract: A heat developable light-sensitive material comprises a support, a light-sensitive layer and a non-light-sensitive layer. The light-sensitive layer contains silver halide and a reducing agent. The non-light-sensitive layer contains a cyanine dye represented by the formula (I) or a salt thereof and a base precursor: in which R1 is hydrogen, an aliphatic group, an aromatic group, —NR21R24, —OR21 or —SR21, each of R21 and R24 independently is hydrogen, an aliphatic group or an aromatic group, or R21 and R24 are combined to form a nitrogen-containing heterocyclic ring; R2 is hydrogen, an aliphatic group or an aromatic group; R3 is an aliphatic group; L1 is a methine chain consisting of an odd number of methines; and each of Z1 and Z2 independently is an atomic group forming a five-membered or six-membered nitrogen-containing heterocyclic ring.

Abstract: An ink for ink jet recording which inclides a water-insoluble ionic group-containing polymer added to a colored fine particle dispersion containing at least a hydrophobic high-boiling organic solvent having a boiling point of 150° C. or more and an oil-soluble dye. In a preferred embodiment, the water-insoluble ionic group-containing polymer is converted by emulsification dispersion into a fine particle dispersion and added to the colored fine particle dispersion, and the oil-soluble dye is represented by specific formulae.

Abstract: A method comprising: recording an image on a material by an ink jet recording system using water-based ink comprising a colorant; transferring a layer comprising a radiation-curing compound that is capable of being a resin at curing from a protective layer-imparting material comprising a support and the layer, the layer being capable of being released from the protective layer-imparting material, to a surface of the material; and curing the layer by irradiation of a radiation to form a protective layer.

Abstract: A coloring composition having no paper-dependency, having excellent color developability and hue when printed on optionally selected paper, having excellent ink permeability with respect to paper for photographic image quality, leaving no stains directly after printing, having excellent water resistance and image fastness, enabling high recording concentration and high image quality, and which is suitable for water-based ink for writing, water-based printing ink, information recording ink and the like; and ink for ink jet recording, the ink using the coloring composition. The coloring composition includes a polymer latex and a coloring particulate dispersion including particulate composed of at least an oil-soluble dye and a hydrophobic organic solvent having a boiling point of no less than 150° C. The polymer latex preferably includes on a main chain or side chain thereof an ethylene unsaturated group.

Abstract: An ink-jet ink which includes a coloring composition containing oil-soluble dye aggregates is provided.

Abstract: A method of detecting moisture or wetness which enables determination as to whether or not precision instruments or industrial products have undergone improper conditions, is described, which comprises:

Abstract: A recording liquid for ink jet containing a solid fine particle dispersion obtained by dispersing in a medium a compound represented by the following general formula (I) or (II), and an ink jet recording method of recording using the recording liquid for ink jet containing the solid fine particle dispersion obtained by dispersing in a medium a compound represented by the following general formula (I) or (II): 1

Abstract: A heat developable light-sensitive material comprises a support, a light-sensitive layer and a non-light-sensitive layer. The light-sensitive layer contains silver halide and a reducing agent.

Abstract: A photosensitive material comprising a substrate and a reversibly decolorable colored layer disposed thereon, wherein the reversibly decolorable colored layer is reversibly colored and decolored, the reversibly decolorable colored layer is in a colored state at 25 ° C., and a temperature at which the color density of the reversibly decolorable colored layer is reduced to 50% based on that at 25 ° C. is 50 to 120 ° C. A method for forming an image using the photosensitive material is also provided.

Abstract: An optical filter comprises a transparent support and a filter layer. The filter layer contains a dye and a binder polymer. The dye is a methine dye in an aggregated form. The transparent support, the filter layer or an optional layer further contains a specific ultraviolet absorbing agent represented by the formula (I), (II), or (III).

Abstract: A heat developable light-sensitive material comprises a support, a light-sensitive layer and a non-light-sensitive layer. The light-sensitive layer contains silver halide and a reducing agent. The non-light-sensitive layer contains a cyanine dye represented by the formula (I) or a salt thereof and a base precursor: in which R1 is hydrogen, an aliphatic group, an aromatic group, —NR21R24, —OR21 or —SR21, each of R21 and R24 independently is hydrogen, an aliphatic group or an aromatic group, or R21 and R24 are combined to form a nitrogen-containing heterocyclic ring; R2 is hydrogen, an aliphatic group or an aromatic group; R3 is an aliphatic group; L1 is a methine chain consisting of an odd number of methines; and each of Z1 and Z2 independently is an atomic group forming a five-membered or six-membered nitrogen-containing heterocyclic ring.

Abstract: A processing composition for a silver halide photographic material, which comprises at least one compound selected from the group consisting of compounds represented by the following general formulae (I) and (II): 1

Abstract: A photothermographic recording element having improved image tone and improved tone stability during storage is provided wherein at least one of constituent layers comprises (a) polymeric microparticulates containing a dyestuff, (b) microcapsules containing a dyestuff, and/or (c) an organic or inorganic pigment.

Abstract: A heat developable light-sensitive material comprises a support, a light-sensitive layer and a non-light-sensitive layer. The light-sensitive layer contains silver halide and a reducing agent.

Abstract: An arylidene compound is represented by the formula (I). Each of L1 and L2 independently is a divalent aliphatic group, a divalent aromatic group or a divalent heterocyclic group. L3 is trimethine, pentamethine or heptamethine. Y is ═O, ═S or ═N—R10. R1 is hydrogen, a halogen atom, cyano, nitro, an aliphatic group, an aromatic group, a heterocyclic group, —O—R11, —S—R12, —CO—O—R13, —O—CO—R14, —NR15R16, —CO—NR17R18, —SO2—R19 or —SO2—NR20R21. Each of R2, R3, R6 and R7 independently is hydrogen, a halogen atom, cyano, an aliphatic group, an aromatic group, —O—R22, —CO—R23, —CO—O—R24, —NR25R26, —NHCO—R27, —NH—CO—O—R28, —SO2—R29 or —NH—SO2—R30.

Abstract: A silver halide (AgX) color photosensitive material comprises, on a support, a AgX emulsion layer (BL) containing a yellow coupler and spectrally sensitized such that a spectral sensitivity region is 400 to 520 nm, a AgX emulsion layer (GL) containing a magenta coupler and spectrally sensitized such that a spectral sensitivity region is 470 to 600 nm, and a AgX emulsion layer (RL) containing a cyan coupler and spectrally sensitized such that a spectral sensitivity region is 540 to 700 nm, wherein barycentric sensitivity wavelength of a spectral sensitivity distribution of GL (&lgr;G), that of RL (&lgr;R), and that of BL (&lgr;B) are 520 to 580 nm, 590 to 650 nm, and 430 to 485 nm, respectively, the material further has an interlayer effect donor lay (DL) by which a barycentric wavelength (&lgr;−R) of a magnitude distribution of an interlayer effect given to at least one RL at a wavelength of 500 to 600 nm satisfies 500 nm≦&lgr;−R≦560 nm, and &lgr;G−&lgr;−R≧5 nm, DL is placed c

Abstract: A silver halide color photographic light-sensitive material having at least one red-sensitive silver halide emulsion layer, at least one green-sensitive silver halide emulsion layer, at least one blue-sensitive silver halide emulsion layer and at least one nonlight-sensitive hydrophilic colloid layer containing black colloidal silver, on a support, contains a dye whose maximum absorption in the wavelength range of 400 nm to 1100 nm is given at a wavelength in an infrared region of 700 nm to 1100 nm, contains 3.2 g/m2 or less of silver in terms of silver, and has a transmission density of 1.7 or more at 950 nm.

Abstract: An optical filter comprises a transparent support and a filter layer. The filter layer has an absorption maximum in the wavelength range of 500 to 550 nm. The filter layer further has another absorption maximum in the wavelength range of 560 to 620 nm. The optical filter has a transmittance in the range of 40 to 85% at the absorption maximum in the wavelength range of 500 to 550 nm. The optical filter further has a transmittance in the range of 0.01 to 80% at the absorption maximum in the wavelength range of 560 to 620 nm.

Abstract: An imaging material is provided in the form of a photothermographic or thermographic image forming layer containing an organic silver salt on one surface of a support and further comprising a polyvalent metal ion and a phthalic acid compound on the image forming layer-bearing surface of the support. The imaging material has improved shelf stability before and after image formation and the ease of handling and produces high-quality blue black tone images.

Abstract: A dihydroperimidine squarylium compound is represented by the formula (I): ##STR1## in which each of R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, R.sup.7, R.sup.8, R.sup.9, R.sup.10, R.sup.11 and R.sup.12 independently is hydrogen, an alkyl group, a cycloalkyl group, an aryl group, an aralkyl group, an alkenyl group, an alkynyl group or an acyl group; R.sup.1 and R.sup.2, R.sup.3 and R.sup.4, R.sup.5 and R.sup.6, R.sup.7 and R.sup.8, R.sup.9 and R.sup.10 or R.sup.11 and R.sup.12 may be combined with each other to form a five- or six-membered nitrogen-containing heterocyclic ring; R.sup.2 and R.sup.3, R.sup.6 and R.sup.7 or R.sup.10 and R.sup.11 may be combined with each other to form a five- or six-membered aliphatic ring; and n is an integer of 1 to 6. The specification further discloses a mixture of dihydroperimidine squarylium compounds, an infrared absorbing sheet and a silver halide photographic material.