Abstract: A compound which can be used as a dye and is represented by the following general formulae (I), (II) and (III). In the general formulae, A and B each independently represents a monovalent heterocyclic group bonded to an azo group by a carbon atom of the monovalent heterocyclic group; m and n each independently represents one of 0 and 1; and M represents one of a hydrogen atom and a monovalent positive ion.

Abstract: A silver halide color photographic light-sensitive material has a red-, green-, and blue-sensitive emulsion layer in this order from the side closest to a support. The green-sensitive layer contains a coupler represented by formula (MC-I), and the red-sensitive emulsion layer contains a coupler represented by formula (CC-I): wherein R1 represents a hydrogen atom or substituent; one of G1 and G2 represents C, the other represents N; and R2 represents a substituent which substitutes one of G1 and G2 which is C; X represents a hydrogen atom or a splitting off group; wherein Rc1 represents a hydrogen atom or alkyl group, Rc2 represents an alkyl or aryl group, n is 1, 2, or 3, and Y is positioned in the meta and/or para position of the phenyl group with respect to the sulfonyl group, and represents alkyl, alkenyl, alkoxy, aryloxy, acyloxy, acylamino, sulfonyloxy, sulfamoylamino, sulfonamide, ureido, oxycarbonyl, oxycarbonylamino, or carbamoyl group.

Abstract: A silver halide color photosensitive material comprises at least one layer on a support.

Abstract: A compound which can be used as a dye and is represented by the following general formulae (I), (II) and (III). In the general formulae, A and B each independently represents a monovalent heterocyclic group bonded to an azo group by a carbon atom of the monovalent heterocyclic group; m and n each independently represents one of 0 and 1; and M represents one of a hydrogen atom and a monovalent positive ion.

Abstract: A silver halide color photographic light-sensitive material having at least one blue-sensitive emulsion layer, at least one green-sensitive emulsion layer, and at least one red-sensitive emulsion layer on a transparent support, wherein the transparent support is a plastic support having two surfaces undercoated with an undercoat solution containing at least one compound selected from the group consisting of a water-miscible organic solvent except for alcohols, a substituted phenol having a molecular weight of 200 or less, and a substituted acetic acid in which at least one hydrogen atom on a methyl group of acetic acid is substituted with a halogen atom, and at least one photosensitive emulsion layer contains a specific coupler.

Abstract: A silver halide color photographic material comprises a lightsensitive emulsion layer on a support.

Abstract: A dye-forming coupler of formula (I), a silver halide photographic light-sensitive material containing the coupler, and an azomethine dye that can be derived from the dye-forming coupler: 1

Abstract: A compound which can be used as a dye and is represented by the following general formulae (I), (II) and (III). In the general formulae, A and B each independently represents a monovalent heterocyclic group bonded to an azo group by a carbon atom of the monovalent heterocyclic group; m and n each independently represents one of 0 and 1; and M represents one of a hydrogen atom and a monovalent positive ion.

Abstract: A silver halide color photographic lightsensitive material comprises a support and a silver halide emulsion layer.

Abstract: A package structure for a piezoelectric resonator includes a base which has a shape of flat box and made of an insulating material, and a thin lid bonded to the upper side of the base. A tuning fork type quartz crystal resonator piece is mounted at its one end, that is its base end, on electrode pads provided on the mounting surface in a cantilever manner using conductive adhesive so that it is parallel to the mounting surface, and hermetically sealed in a package with the lid engaged therewith. Either one or both of the mounting surface of the base and the inner surface of the lid has a recess formed at the location adjacent to the free end of a tuning fork type quartz crystal resonator piece so that the free end does not touch the inside surfaces of the packages when the quartz crystal resonator piece is largely dislocated on external impact.

Abstract: A silver halide color photographic lightsensitive material comprising at least one layer on a support, wherein the at least one layer contains a coupler represented by formula (I) below wherein X represents a hydrogen atom, halogen atom, arylthio group, carbamoyloxy group, heterocyclic carbonyloxy group, etc., each of R1 and R2 represents an electron-attracting group having a Hammett's substituent constant &sgr;p value of not less than 0.20, the sum of the &sgr;p values of R1 and R2 being not less than 0.65, each of R3 and R4 represents a alkyl group, alkenyl group, alkynyl group, cycloalkyl group, cycloalkenyl group, etc., or alternatively, R3 and R4 may bond together to form a ring structure; and each of R11 to R15 independently represents a hydrogen atom or a substituent.

Abstract: A silver halide color photographic light-sensitive material having at least one blue-sensitive emulsion layer, at least one green-sensitive emulsion layer, and at least one red-sensitive emulsion layer on a transparent support, wherein the transparent support is a plastic support having two surfaces undercoated with an undercoat solution containing at least one compound selected from the group consisting of a water-miscible organic solvent except for alcohols, a substituted phenol having a molecular weight of 200 or less, and a substituted acetic acid in which at least one hydrogen atom on a methyl group of acetic acid is substituted with a halogen atom, and at least one photosensitive emulsion layer contains a specific coupler.

Abstract: A lightsensitive material package contains a silver halide color photographic lightsensitive material and a plastic material member. The photographic lightsensitive material has at least one red-sensitive, at least one green-sensitive and at least one blue-sensitive silver halide emulsion layer on a support. The plastic material member is constituted of a thermoplastic reclaimed resin. The photographic lightsensitive material and the plastic material member are arranged in a common gas-phase atmosphere and sealed in the package. 60% or more of the total projected area of silver halide grains contained in at least one of the red-, green- and blue-sensitive silver halide emulsion layers is occupied by tabular grains having an aspect ratio of 8.0 or more. The plastic material member is that produced from a resin to which a substance capable of adsorbing a substance having an adverse effect on a photographic property has been supplementally added prior to molding thereof.

Abstract: A silver halide color photographic lightsensitive material contains a coupler represented by formula (I) below in at least one layer on a support (in this formula, X represents a hydrogen atom or a group which can split off by a coupling reaction with an oxidized form of an aromatic primary amine color developing agent, each of R1 and R2 represents an electron-attracting group having a Hammett's substituent constant p value of 0.20 or more, and the sum of the p values of R1 and R2 is 0.65 or more, and each of G1 and G2 represents a nitrogen atom or a substituent). A pyrrolotriazole compound represented by formula (I) below is also provided.

Abstract: A silver halide color photographic light-sensitive material comprising a support having provided thereon: at least one yellow-color-forming light-sensitive silver halide emulsion layer; at least one magenta-color-forming light-sensitive silver halide emulsion layer; at least one cyan-color-forming light-sensitive silver halide emulsion layer; and at least one light-insensitive non-color-forming hydrophilic colloid layer, wherein at least one layer of said at least one cyan-color-forming light-sensitive silver halide emulsion layer contains at least one cyan-dye-forming coupler having a pKa of not more than 8.

Abstract: A silver halide color photographic lightsensitive material comprising at least one photosensitive silver halide emulsion layer on a support, wherein the emulsion layer contains a magenta coupler represented by formula (M-1) below: wherein R1 represents a substituted or nonsubstituted alkyl group, each of L1 and L2 independently represents a substituted or nonsubstituted alkylene group, or substituted or nonsubstituted arylene group, in —L3—G, L3 represents —NH—SO2— or —SO2—NH—CO— (in these representations, bonding direction is not defined) and G represents a substituted or nonsubstituted alkyl group or substituted or nonsubstituted aryl group, alternatively —L3—G represents —COOH or OH, X represents a hydrogen atom or a group which splits off when coupling with an oxidized form of a developing agent, n represents 1 or 2, when L2 is an alkylene group, or n represents an integer from 1 to 5, when L2 is an arylene group, an

Abstract: A compound which can be used as a dye and is represented by the following general formulae (I), (II) and (III). In the general formulae, A and B each independently represents a monovalent heterocyclic group bonded to an azo group by a carbon atom of the monovalent heterocyclic group; m and n each independently represents one of 0 and 1; and M represents one of a hydrogen atom and a monovalent positive ion.

Abstract: Disclosed is a silver halide color photographic light-sensitive material comprising at least one silver halide emulsion layer on a support, said at least one emulsion layer containing a magenta coupler represented by formula (M-1): where R1 represents a substituted or unsubstituted alkyl group, each of L1 and L2 independently represents a substituted or unsubstituted alkylene group, or a substituted or unsubstituted arylene group, and A represents a substituted or unsubstituted aryl group, or a substituted or unsubstituted alkyl group, with the proviso that A is neither a 2-octyloxy-5-tert-octylphenyl group nor a 2-(4-methylphenoxy)ethoxy-5-tert-octylphenyl group.

Abstract: There is disclosed a silver halide color photographic light-sensitive material that is improved in such aspects as fastness of dye images, color reproduction, cyan stain, processing cyan color contamination, and the like, by the combination use of a phenidone compound having a specific structure as in the following general formula (VIII) and a pyrrolotriazole cyan coupler. The phenidone compound (VIII) can be produced industrially in low cost, by reacting an &agr;-alkyl or alkenyl acrylate with a compound represented by the following general formula (VII): wherein, R4, R5, R6, R7, R8, and R9, each represent a hydrogen atom, an alkyl group, or the like; R2a represents an alkyl group having 6 to 30 carbon atoms, or the like.

Abstract: A dye compound excellent in transfer property and color fastness against light, a yellow dye excellent in light absorption property, a yellow dye compound for thermal transfer dye donating material excellent in solubility and a dye compound which can be synthesized with ease from readily-available source materials are provided. A dye compound of the present invention is expressed by the general formula (1): or a salt thereof, wherein R1, R2, R3 and R4 independently represent a hydrogen atom or a substituent.