Abstract: An ink for ink jet recording comprising water, a coloring agent and at least one compound represented by the following formula (1): 1

Abstract: An ink for ink-jet comprising: a water-soluble dye; a compound represented by the following formula (1): 1

Abstract: The present invention related to an ink for an ink jet comprising: a coloring composition containing coloring particulates dispersed in a water-based medium, the coloring particulates containing an oil-soluble polymer and an oil-soluble dye represented by at least one of following formulae (I), (II), (III), (IV), wherein R1, R2, R3 and R4 each represent a hydrogen atom or a non-metallic atomic group; X represents —OH or NR5R6; R5 and R6 each represent a hydrogen atom, an alkyl group, an aryl group or a heterocyclic group; R7, R8 and R9 each represent a hydrogen atom or a non-metallic atomic group; at least one of R1 and R2, or R2 and R5, or R5 and R6, or R6 and R3, or R3 and R4 may form a ring structure; and R7 and R8 may bind together to form a ring structure.

Abstract: A color light-sensitive material comprising at least three light-sensitive layers having different color-sensitivity from one another provided on a support. Each layer comprises a combination of at least a light-sensitive silver halide, a binder and a dye-providing compound. At least one layer thereof has a spectral sensitization peak in at least two wavelength regions, the peaks in the at least two wavelength regions being at least 50 nm away from each other and at least one spectral sensitization peak thereof exists in the wavelength region of 700 nm or above.

Abstract: Prevention of printing stains occurring on positions corresponding to the end parts of the printing plate in the case of printing on a rolled paper by a rotary press machine, as in newspaper printing can be accomplished by a process for the production of a lithographic printing plate, which comprises subjecting a lithographic printing plate transported in a predetermined direction by a transporting means to a beveling treatment of end parts thereof and then subjecting the beveled parts to a treatment for rendering hydrophilic.

Abstract: A silver halide photographic light-sensitive material, containing at least one type of dye represented by formula (I): ##STR1## wherein A represents an acidic nucleus; L.sub.1, L.sub.2 and L.sub.3 represent methine groups; Z represents non-metal atoms which form a five membered heterocyclic ring; n represents 0 or 1; and the dye comprises at least one group selected from a carboxyl group, a sulfonamido group and a sulfamoyl group.

Abstract: An optical information recording medium for carrying out recording, readout or erasing by laser beam which comprises a support having carried thereon a recording layer containing dye(s) represented by the general formula (I): ##STR1## wherein R.sup.1 and R.sup.2 independently represent substituted or unsubstituted alkyl groups, substituted or unsubstituted alkenyl groups, or substituted or unsubstituted aryl groups, L represents a substituted or unsubstituted methine group, or a linking group formed by linkage of 3, 5 or 7 substituted or unsubstituted menthine groups through conjugated double bonds, Z represents an atomic group for completing an aromatic ring optionally having substituent(s), and X.sup.- represents a monovalent or divalent anion for neutralization of electron charge of the cationic part.

Abstract: The compounds in a preferred form are represented by general formula (I): ##STR1## wherein A and A' are each a group which can be hydrolyzed by hydrogen or alkali; X, Y and Z are each hydrogen, a halogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted aryl group, a thioalkyl group or an electron-withdrawing group; PUG is a group released by a reaction with a light-exposed silver halide and/or the oxidized product of the developing agent, Time is a timing group; Time.sub.t PUG is a group released as .crclbar.TimePUG first when the oxidation-reduction moiety causes a cross reaction during the development and becomes an oxidized product, and is bonded to the benzene nucleus via a sulfur atom, a nitrogen atom or a selenium atom; and t is 0 or 1.

Abstract: The present invention relates to a dye represented by formula (I): ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5 and R.sup.6, which may be the same or different, each represents a C.sub.1 -C.sub.5 alkyl group or a C.sub.1 -C.sub.5 alkyl group having a substituent selected from the group consisting of a sulfonic group, carboxyl group and hydroxyl group, and Z.sup.1 and Z.sup.2 each represents a group of non-metallic atoms necessary for the formation of a benzo-condensed of naphtho-condensed ring, or a benzo-condensed or naphtho-condensed ring having a substituent selected from the group consisting of a sulfonic group, a carboxyl group, an hydroxyl group, a halogen atom, a cyano group, an amino group and a C.sub.1 -C.sub.5 alkyl group connected to the ring directly or through a divalent connection group, with a proviso that R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, Z.sup.1 and Z.sup.

Abstract: A method for forming an image is disclosed which comprises providing a photosensitive material comprising at least one light-sensitive layer and having a gamma value of not less than 10 and a capability of being handled under bright light, subjecting said light-sensitive layer image-wise exposure to light having substantially exclusive of wavelengths of 370 nm or shorter through originals, for example, a line original and a halftone original arranged in a superposed condition, followed by contrast development processing, whereby excellent quality of images, for example, letter images, can be obtained.

Abstract: Silver halide photographic material which has a hydrophilic colloid layer containing a solid micrograin dispersion of compounds represented by the following general formula (I): ##STR1## wherein, T.sup.0, T.sup.1 and T.sup.2 each independently represents a hydrogen atom, a halogen atom or a cyano, nitro, carboxy, alkyl, aryl, alkoxy, aryloxy, alkylthio, arylthio, alkylsulfonyl, arylsulfonyl, sulfamoyl, carbamoyl, amino, sulfonamido, carbonamido, ureido, sulfamoylamino, hydroxyl, alkenyl or acyl group, R.sup.3 and R.sup.4 each independently represents a hydrogen atom, a halogen atom or an alkoxy, alkyl, alkenyl, aryloxy or aryl group, R.sup.5 and R.sup.6 each independently represents a hydrogen atom or a group in which hydrogen atom substitution is possible, and R.sup.7 and R.sup.8 each independently represents an alkyl, aryl, vinyl, acyl or alkyl- or arylsulfonyl group, provided that rings may be formed by linkage of T.sup.1 with T.sup.2, R.sup.3 with R.sup.5, R.sup.4 with R.sup.6, R.sup.7 with R.sup.8, R.

Abstract: A silver halide photographic material having a hydrophilic colloidal layer containing a dispersion of fine solid particles of a dye is disclosed, said dye being represented by formula (I): ##STR1## wherein L represents a nitrogen atom or a group composed of 1, 3, 5 or 7 substituted or unsubstituted methine group(s) connected via a conjugated double bond(s); E represents O, S, or N--R.sup.9 ; and R.sup.0 through R.sup.9 are as defined in the specification. The dye of formula (I) colors a specific hydrophilic colloidal layer without being diffused to other layers and is rapidly decolorized or washed off on development processing.

Abstract: A method for processing a silver halide photographic element comprising carrying out developement processing, including a washing step, of an imagewise exposed silver halide photographic element, wherein the washing step is carried out at 45.degree. C. or less for 90 sec. or less, and wherein the silver halide color photographic element comprises a support having provided thereon at least one silver halide emulsion layer, wherein the silver halide photographic element contains in a hydrophilic colloid layer, from 2 mg/m.sup.2 to 40 mg/n.sup.2 of at least one dye represented by the following general formula (I): ##STR1## wherein R.sub.1 and R.sub.2, which can be the same or different, can each represents --COOR.sub.5, or ##STR2## R.sub.3 and R.sub.4, which can be the same or different, each represents a hydrogen atom or an alkyl group, R.sub.5 and R.sub.

Abstract: A silver halide color photographic material comprising a support having in a layer thereon at least a dye represented by general formula (I) ##STR1## wherein R.sub.1 and R.sub.4, which may be the same or different, each represents a hydrogen atom, an aliphatic group, an aromatic group, a heterocyclic group, -NR.sub.7 R.sub.8, --NR.sub.7 CONR.sub.7 R.sub.8, --NR.sub.8 COR.sub.9 or --NR.sub.8 SO.sub.2 R.sub.9 ;R.sub.2 and R.sub.5, which may be the same or different, each represents a hydrogen atom, an aliphatic group, an aromatic group, a heterocyclic group, a cyano group, a sulfonic acid group, --NR.sub.7 R.sub.8, --NR.sub.8 COR.sub.9, --NR.sub.8 SO.sub.2 R.sub.9, --NR.sub.7 CONR.sub.7 R.sub.8, --COOR.sub.7, --CONR.sub.7 R.sub.8, --COR.sub.9, --SO.sub.2 R.sub.9 or --SO.sub.2 NR.sub.7 R.sub.8 ;R.sub.3 and R.sub.6, which may be the same or different, each represents a hydrogen atom, an aliphatic group, an aromatic group, a heterocyclic group, --OR.sub.7, --COOR.sub.7, --COR.sub.9, --CONR.sub.7 R.sub.8, --NR.sub.

Abstract: A silver halide photosensitive material comprising a support having thereon a layer containing (a) an organic compound which releases a free radical on contact with light rays and (b) a compound which undergoes a change in the absorption spectrum due to the action of the released free radical.

Abstract: An optical information recording medium for carrying out recording, readout or erasing with layer beams, which comprises a support having carried thereon at least one compound represented by the general formula (I): ##STR1## wherein R.sup.1 and R.sup.2 independently represent substituted or unsubstituted alkyl groups, or substituted or unsubstituted aryl groups, Z represents an atomic group for forming a substituted or unsubstituted aromatic ring, and L represents a linking group for forming a carbocyanine.The present optical information recording media have an excellent recording performance and stability, and dyes used therein have no explosive property and thus can safely and readily be prepared.

Abstract: The present invention relates to an optical information recording medium which comprises a support having provided thereon recording layer(s) on which information can be recorded and/or read out with a laser beam, wherein the recording layer contains at least one of the compounds represented by the following formula (I): ##EQU1## wherein .phi. and .PSI. each represents a heterocyclic residue having nitrogen atom(s), and L represents an optionally substituted methine group, or an optionally substituted trimethine, pentamethine, heptamethine or nonamethine group each formed by linkage through conjugated double bonds, provided that L and at least one of .phi. and .PSI. combine to form a ring; and X.sup.1 .theta. represents a 1-valent negative ion and l represents 1, 2 or 3, provided that X.sup.1 .theta. may bind to .phi., L or .PSI. as a substituent is provided by the invention.

Abstract: A silver halide color photographic light-sensitive material is described, containing: (1) a non-diffusing coupler forming a dye on reacting with an oxidation product of a color developing agent, said dye having diffusibiity of the extent that it exhibits controlled smearing; and (2) a DIR compound releasing a diffusing development inhibitor or its precursor through a coupling reaction. This light-sensitive material is improved in both granularity and sharpness, and has high sensitivity.

Abstract: The present invention is directed to an optical information recording medium for carrying out recording, readout and erasing with laser beams which comprises a support having carried thereon at least one of the compounds represented by the following general formulae (I), (II), (III) and (IV): ##STR1## wherein X and X' each represents an atomic group necessary for forming a carbon ring or an atomic group necessary for forming a specific heterocyclic ring; L.sup.1 mainly represents a methine group, or a group formed by linking 3 or 5 methine groups in turn to form conjugated double bonds; and Q and Q' each represents an atomic group whereby a conjugated double bond chain is completed; ##STR2## wherein L.sup.1 and Q are as defined in general formula (I); Z represents an atomic group necessary for forming a carbon ring or heterocyclic ring; R.sup.1 to R.sup.3 and E represent various substituents; and M represents an ion, etc.

Abstract: Photopolymerization initiator compositions having high photosensitivity to light sources giving visible rays and the other rays in the longer wavelengths. The compositions containing polymerizable compounds having at least one ethylenic unsaturated bond and organic boron compound anionic salts of indolenine dye compounds having at least one electron-attracting group in the nuclei can be used for the production of planographic plates, resin letterpress printing plates and photoresists or photomasks for printed circuit substrates. The polymerizable compounds having at least one ethylenic unsaturated bond can be encapsulated to obtain microcapsules to be used for the formation of black and white or color images.