Abstract: A silver halide color light-sensitive material comprising a support having thereon at least a silver halide and an infrared-absorbing image-forming compound represented by formula (I):(Dye --X).sub.q --Y (I)wherein Dye represents an infrared-absorbing dye group or an infrared-absorbing dye precursor group derived from a compound represented by formula (II)A, (II)B or (II)C; X represents a chemical bond or a connecting group; Y represents a group capable of making a difference in the diffusibility of the dye component of said compound represented by formula (I) between before and after the reaction with the silver halide having a latent image in correspondence or counter correspondence to the silver halide; having a latent image and q represents an integer 1 or 2, and when q is 2, the two (Dye-X) groups may be the same or different: ##STR1## wherein R.sup.1A and R.sup.

Abstract: A light-sensitive material comprising a support and a light-sensitive layer which contains silver halide, a reducing agent, a polymerizable compound and an azo-compound having the following formula:Ri--N.dbd.N--Cpin which Ri is an aryl group or a heterocyclic group, each of which may have one or more substituent groups; Cp is a group having a function of coupling with an oxidation product of the reducing agent. Image-forming methods utilizing the light-sensitive materials are also disclosed.

Abstract: A novel color image recording method is provided, which comprises exposing to light a light-sensitive material obtained by dispersing a composition containing at least a photopolymerization initiator, a color image-forming substance and a polymerizable compound in a hydrophilic binder and then coating said dispersion on a support, subjecting said polymerizable compound in the exposed portions to polymerization, and then (a) eluting said color image-forming substance contained in the unpolymerized polymerizable compound in the unexposed portions with an alkaline aqueous solution or (b) subjecting said color image-forming substance contained in the unpolymerized polymerizable compound in the unexposed portions to chemical change so that it is discolored, thereby forming dye images.

Abstract: A silver halide photographic material comprising a support having provided thereon at least two hydrophilic colloid layers, wherein at least one of the hydrophilic layers comprises water or a hydrophilic colloid and a compound represented by formula (I) dispersed therein using water or a water-soluble organic solvent:PWR-(Time).sub.t -PUG (I)wherein PWR represents a group capable of releasing (Time).sub.t -PUG upon reduction;Time represents a group capable of releasing the PUG residual group by the successive reaction, after being released as (Time).sub.t -PUG;t represents 0 or 1;PUG represents a photographically useful group; and at least one water-soluble group exists in one molecule of the compound.

Abstract: A metal-containing organic polymer produced by the step of polymerizing a compound represented by formula (I):(R--C.tbd.C).sub.l).sub.k k (L) (S).sub.m (I)whereinS represents a hydrogen atom, a hydroxy group, an amino group, a mercapto group, a polyoxyether group, a polyaminoether group, a polythioether group, a sulfino group or a salt thereof, a sulfo group or a salt thereof, a carboxyl group or a salt thereof or a polymerizable group;R represents a metallic atom, a hydrogen atom, or a group --COOM wherein M represents a hydrogen atom or a metallic atom;provided that when R represents a carboxyl group or a hydrogen atom, said compound represented by formula (I) is polymerized in the presence of a metallic salt;L represents a chemical bond or a group having a valency of (k+m); andl, k and m each represents an integer of 1 or more.

Abstract: A recording material comprising at least one thermodecoloring type dye represented by formula (I) or formula (II) ##STR1## wherein Ar.sup.1 and AR.sup.2 each represents an aryl group or heteroaryl group; R.sup.1 represents an alkyl group, alkenyl group, aralkyl group, aryl group, or heteroaryl group; A represents an atomic group forming a 5 to 6 member ring; and X.crclbar. represents a residue with an electric charge value of -1; or Ar.sup.1 and Ar.sup.2 bond together to form a ring.

Abstract: A color photosensitive material and a process for producing an image using such a material are disclosed. The color photosensitive material comprises a support having thereon a silver halide and a dye releasing compound represented by formula (A). ##STR1## wherein Ar and Ar', which may be the same or different, each represents an aromatic group or a heterocyclic group, Ar and Ar' may be joined together to form a ring, and R represents an aromatic group, a heterocyclic group or a sulfonyl group.

Abstract: A color photographic light-sensitive material comprising a support having thereon at least one layer containing light-sensitive silver salt, wherein the color photographic a light-sensitive material contains at least one image forming compound represented by the following general formula (I):(Dye-X).sub.q -Y (I)wherein Dye, X, q and Y are described in detail below.

Abstract: A process for formation of a base from a base precursor, which comprises decomposing the base precursor in the presence of a catalyst. The base precursor has the following formula (I) or (II):(R.sup.1 --C.tbd.C--CO.sub.2 H).sub.x .multidot.B (I)R.sup.2 (--C.tbd.C--CO.sub.2 H).sub.2 .multidot.B.sub.y (II)wherein R.sup.1 is a monovalent group selected from the group consisting of hydrogen, an alkyl group, a cycloalkyl group, an alkenyl group, an alkynyl group, an aryl group, a heterocyclic group, an aralkyl group, an acyl group, an alkoxycarbonyl group, carbamoyl, --CO.sub.2 M (M is an alkali metal) and --CO.sub.2 H.B, each of which may have one or more substituent groups; R.sup.

Abstract: The present invention is directed towards a betaine-type monoazo dye for dying and printing fibrous materials, represented by formula (I):Dye--X--Y (I)wherein Dye represents a cyan dye anion represented by formula (II);X represents a bond or linking group;Y represents quaternary ammonium; andDye and X are bonded to each other via A, B.sup.1, B.sup.2, B.sup.3, B.sup.4 or B.sup.5 in formula (II): ##STR1## wherein B.sup.1, B.sup.2, B.sup.3, B.sup.4 and B.sup.5 are the same or different, and each represents a member selected from the group consisting of a bond, hydrogen, alkyl, halogen, --OR.sup.4, --CO.sub.2 R.sup.4, ##STR2## wherein R.sup.4 and R.sup.5 are the same or different and each represents a member selected from the group consisting of hydrogen, alkyl and aryl, or R.sup.4 and R.sup.

Abstract: A metal-containing organic polymer produced by the step of polymerizing a compound represented by formula (I):(R--C.tbd.C.sub.lk S).sub.m (I)whereinS represents a hydrogen atom, a hydroxy group, an amino group, a mercapto group, a polyoxyether group, a polyaminoether group, a polythioether group, a sulfino group or a salt thereof, a sulfo group or a salt thereof, a carboxyl group or a salt thereof or a polymerizable group;R represents a metallic atom, a hydrogen atom, or a group --COOM wherein M represents a hydrogen atom or a metallic atom;provided that when R represents a carboxyl group or a hydrogen atom, said compound represented by formula (I) is polymerized in the presence of a metallic salt;L represents a chemical bond or a group having a valency of (k+m); andl, k and m each represents an integer of 1 or more.

Abstract: A heat-sensitive transfer material comprising a support having provided thereon a heat-sensitive transfer layer, wherein said layer contains a dye represented by formula (I): ##STR1## wherein R.sub.1 and R.sub.2, which may be the same or different, each represents a hydrogen atom, a halogen atom, an alkyl group, a cycloalkyl group, an alkoxy group, an aryl group, aryloxy group, an aralkyl group, a cyano group, an acylamino group, a sulfonylamino group, a ureido group, an alkylthio group, an arylthio group, an alkoxycarbonyl group, carbamoyl group, a sulfamoyl group, a sulfonyl group, an acyl group, or an amino group;R.sub.3 and R.sub.4, which may be the same or different, each represents an alkyl group, a cycloalkyl group, an aralkyl group, or an aryl group;provided that either R.sub.3 and R.sub.4, R.sub.2 and R.sub.3, or R.sub.2 and R.sub.

Abstract: A light-sensitive material is described, comprising a support having provided thereon a light-sensitive layer containing at least a light-sensitive silver halide, a developing agent, a polymerizable compound, a color image forming substance, and a hydrazine derivative represented by at least one of the following formula (I) and a hydrazine derivative represented by the following formula (II), in which said color image forming substance is immobilized by imagewise exposure to light, followed by heat development under conditions substantially not containing water: ##STR1## wherein R.sub.1 represents a substituted or unsubstituted alkyl, aralkyl, aryl, alkenyl, alkynyl, or heterocyclic group; and R.sub.2 represents a hydrogen atom or a substituted or unsubstituted alkyl, cycloalkyl, aralkyl, aryl, alkenyl, alkynyl, heterocyclic, alkoxy, aryloxy, alkylthio, arylthio, or amino group; ##STR2## wherein R.sub.

Abstract: A heat sensitive transfer material is disclosed, comprising a support having provided thereon a layer containing a dye represented by formula (I) ##STR1## wherein R.sup.1 represents an aliphatic group which has from 1 to 6 carbon atoms, an aromatic group which has from 4 to 10 carbon atoms, an acyl group, an acyloxy group, an alkoxycarbonyl group, an acylamino group, a carbamoyl group, a sulfonamido group, a sulfamoyl group, an imido group, a urethane group, a ureido group, a sulfonyl group, a hydroxyl group, a cyano group, a carboxyl group, a nitro group or a halogen atom; m represents an integer of from 0 to 3; when m.gtoreq.2 the R.sup.1 groups may be the same of different and may be joined together to form a ring; R.sup.2 and R.sup.3 each independently represents an aliphatic group which has from 1 to 6 carbon atoms or an aromatic group, and R.sub.2 and R.sup.3 may be joined together to form a ring, R.sup.

Abstract: A silver halide photographic light-sensitive material comprising a support having thereon at least one colored layer, and the layer can be decolored or lightened upon photographic processing of the photographic light-sensitive material,wherein the colored layer is formed by a process comprising the step of:color developing at least one colorless or light-colored leuco-dyestuff utilizing at least one metal salt of an organic acid.

Abstract: A silver halide photographic material comprising a support having thereon at least one silver halide emulsion layer, at least one layer of the silver halide photographic material comprising at least one compound represented by formula (I):PWR--Time--.sub.t --POL (I)wherein PWR represents a group capable of releasing (Time--.sub.t POL upon reduction; Time represents a divalent organic group capable of releasing POL via a subsequent reaction after (Time--.sub.t POL is released from PWR; t is 0 or 1; and POL represents a polymer group.The compound represented by formula (I) is a useful functional polymer whose properties are drastically changed upon reduction and reveal photographically useful function.

Abstract: A new leuco dye is capable of developing into a colored dye which has an absorption band in the near infrared region. The new leuco dye has the following formula (I): ##STR1## wherein each of R.sup.1, R.sup.2 and R.sup.3 independently is hydrogen, an alkyl group, an aralkyl group, a cycloalkyl group or an aryl group; each of X.sup.1 and X.sup.2 independently is oxygen, sulfur or --NR.sup.4 -- (R.sup.4 has the same meaning as for R.sup.1, R.sup.2 and R.sup.3); each of the rings A to E independently is benzene ring or naphthalene ring and may have one or more substituent groups; and each of R.sup.1 to R.sup.4 may have one or more substituent groups. A recording material containing the leuco dye is also disclosed.

Abstract: An image-forming process involving a heating step is disclosed, which comprises conducting the heating in the presence of a compound represented by the following general formula (I): ##STR1## wherein: R.sup.1 and R.sup.2, which may be the same or different, each represents a group selected from an aryl group, a substituted aryl group, a heterocyclic group, and a substituted heterocyclic group;R.sup.3 represents a hydrogen atom, an alkyl group, a substituted alkyl group, a cycloalkyl group, a substituted cycloalkyl group, an aralkyl group, a substituted aralkyl group, or a group selected from those which are referred to with respect to R.sup.1 and R.sup.2 ;R.sup.1, R.sup.2, and R.sup.3 may form a ring structure via a hydrocarbon chain, a hetero atom-containing hydrocarbon chain or a hetero atom, or may be directly bound to each other to form a ring structure; andPUG represents a photographically useful group.

Abstract: A recording material comprises a layer containing a leuco dye provided on a support, characterized in that the leuco dye has the following formula (I): ##STR1## in which each of R.sup.1 and R.sup.2 independently is an alkyl group, a cycloalkyl group or an aralkyl group; each of R.sup.3 and R.sup.4 independently is a halogen atom, an alkyl group, a cycloalkyl group, an aralkyl group, alkoxy group or an acylamino group; R.sup.5 is an alkyl group, a cycloalkyl group, an aralkyl group, an alkoxy group, an aryloxy group, a dialkylamino group, an alkoxycarbonyl group, an aryloxycarbony group, a dialkylcarbamoyl group, an aryl group or a heterocyclic group; R.sup.

Abstract: A color light-sensitive material is disclosed. The material is comprised of a support having provided thereon at least one image-forming compound represented by formula (I) ##STR1## wherein X, Y, q, and Dye are as defined herein. The light-sensitive material shows excellent yellow dye-transferring properties and provides a yellow dye having excellent light fastness.