Abstract: A skin external preparation includes at least arginine, aspartic acid, isoleucine, leucine, lysine, threonine, glycine, histidine, serine, valine, tyrosine, cysteine, phenylalanine, hydroxyproline and acylglutamine among amino acids, or salts thereof, and a skin external preparation includes: at least arginine, aspartic acid, isoleucine, leucine, lysine and threonine among amino acids, or salts thereof, and a hydrolyzed silk.

Abstract: A yellow dye-forming coupler represented by formula (I): wherein Q represents a group of nonmetallic atoms that form a 5- to 7-membered ring in combination with the —N?C—N(R1)—; R1 and R2 each represent a substituent; R4 represents an alkyl group; m represents an integer of 0 to 4; and X represents a hydrogen atom, or a group capable of being split-off upon a coupling reaction with an oxidized product of a developing agent; and when R4 represents a primary alkyl group, R1 represents —(CH2)3O—R101 in which R101 is an alkyl group having 4 to 8 carbon atoms. A silver halide color photographic light-sensitive material having at least one yellow dye-forming coupler represented by formula (I) in at least one layer provided on a support.

Abstract: A dye-forming coupler and compound of formula (I): wherein Q represents a residue that forms, together with —N—C?N—, a nitrogen-containing 6-membered ring; RA represents an aryl, heterocyclic, or —(R1)r—(R4)m group; X represents an aryl group; Y represents a hydrogen atom, or a group capable of being split-off upon a coupling reaction with an oxidized product of a developing agent: wherein, when RA represents an —(R1)r—(R4)m group, R1 represents a methylene group, a methine group, or a carbon atom; r is 1 to 30; R4 represents a substituent except for a hydrogen atom; m is 1 to 30; and the —(R1)r—(R4)m group does not represent a straight-chain alkyl group.

Abstract: A dye-forming coupler and compound of formula (I): formula (I) 1

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 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: wherein Q is a group —C(—R11)═C(—R12)—SO2—; R11 and R12 bond with each other to form, together with the —C═C— moiety, a 5- to 7-membered ring, or they each represent a hydrogen atom or a substituent; R1, R3 and R4 each represent a substituent; m is an integer of 0 to 4; and X represents a hydrogen atom or a group that splits off upon a coupling reaction with an oxidized product of a developing agent; with the proviso that the following compound (I-A) is excluded from the dye-forming coupler of formula (I).

Abstract: A dye-forming coupler of formula (I): wherein Q represents a residue that forms, together with —N—C═N—, a nitrogen-containing 6-membered ring; RA represents an aryl, heterocyclic, or —(R1)r—(R4)m group; X represents an aryl group; Y represents a hydrogen atom, or a group capable of being split-off upon a coupling reaction with an oxidized product of a developing agent: wherein, when RA represents an —(R1)r—(R4)m group, R1 represents a methylene group, a methine group, or a carbon atom; r is 1 to 30; R4 represents a substituent except for a hydrogen atom; m is 1 to 30; and the —(R1)r—(R4)m group does not represent a straight-chain alkyl group. A silver halide photographic light-sensitive material which contains at least one of the coupler. An azomethine dye compound derived from the coupler.

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 dye-forming coupler of formula (I): 1

Abstract: A silver halide photographic light-sensitive material including a support and at least one light-sensitive layer formed on the support, wherein at least one of the light-sensitive layers contains at least one of the couplers represented by the following formula (I): wherein Z represents an atomic group that comprises a carbon atom and/or a nitrogen atom which, together with N—C═C, form a 5- or 6-member aromatic ring; R represents a substituent, and when there are a plurality of R, the R can be same or different, and may be coupled to each other so as to form a fused ring; m represents an integer of from 1 to 4; and X represents a carbonyl group, a methylene group, or a >C═N—Rn group wherein Rn represents a substituent The silver halide photographic light-sensitive material, which has excellent color reproducibility and sharpness and has good color image light-fastness, can be obtained by including therein a coupler which can provide a dye which has excellent hues and

Abstract: A silver halide photographic material is disclosed, which has on a reflective support at least one light-sensitive layer containing silver halide emulsion grains, wherein said reflective support has at least one waterproof resin coated layer which contains at least 2 g/m.sup.2 of a white pigment in waterproof resin coated layer at the light-sensitive layer coated side and further at least one light-sensitive layer contains at least one compound represented by following general formula (I) in a molecular dispersion state of a monomolecule or a dimer; ##STR1## wherein R.sub.1 to R.sub.4 each represent a hydrogen atom or a substituent, the sum total of the atomic weights of at least one of (R.sub.1 +R.sub.3) and (R.sub.2 +R.sub.4) being not more than 160; n represents 0, 1, or 2; and M represents a hydrogen atom or an alkali metal.

Abstract: A novel pyrazolonoxonol compound represented by formula (A) and a silver halide photographic material comprising such a pyrazolonoxonol compound: ##STR1## wherein R.sub.1 and R.sub.2 each represents a hydrogen atom, an alkyl group or an aryl group, and the alkyl groups represented by R.sub.1 and R.sub.2 may bond each other to form a saturated 5- or 6-membered ring; R.sub.3 represents a hydrogen atom, an alkyl group, an aryl group, a heterocyclic group, a hydroxyl group, an alkoxy group, a carboxyl group, an ester group, a carbamoyl group, an amino group, an acylamino group, an ureide group, an urethane group or a cyano group; L.sub.1, L.sub.2, L.sub.3, L.sub.4 and L.sub.5 each represents a methine group, and the methine groups which are not adjacent to each other may bond each other to form a 5- or 6-membered ring; M represents a hydrogen atom or a monovalent cation; and m and n each represent an integer 0 or 1.

Abstract: A process for producing a pyrazolecarboxamide derivative represented by formula (C) which comprises reacting a pyrazolecarboxylic ester compound represented by formula (A) with an amine compound represented by formula (B) in the presence of a Lewis acid: ##STR1## wherein R.sup.1 represents a hydrogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heterocyclic group; R.sup.2 represents a substituted or unsubstituted alkyl group; and R.sup.3 and R.sup.4 each represents a hydrogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heterocyclic group, provided that R.sup.3 and R.sup.4 may be bonded to each other to form a ring.

Abstract: Pyrazole compounds represented by formulae (A), (B), and (C): ##STR1## wherein R.sub.1 represents an unsubstituted alkyl group, an ester group, a carboxyl group, an amino group or an aryl group; R.sub.2 and R.sub.3 each represents an alkyl group or an aryl group, and the alkyl groups represented by R.sub.2 and R.sub.3 may bond each other to form a saturated 5- or 6-membered ring; R.sub.4 represents an alkoxy group or a carbonamido group; R.sub.5 and R.sub.6 each represents a hydrogen atom, an alkyl group or an aryl group, and the alkyl groups represented by R.sub.5 and R.sub.6 may bond each other to form a saturated 5- or 6-membered ring; R.sub.7 represents an aryl group, an ester group or a carboxyl group; and M represents a hydrogen atom or a monovalent cation.

Abstract: 'A positive-positive silver halide color photographic material comprising 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, at least one hydrophilic colloid layer, and at least one colloidal silver layer on a support wherein said silver halide emulsion layer, hydrophilic colloid layer, or colloidal silver layer contains at least one dye of formula (I): ##STR1## where R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are the same or different and each represents an alkyl group, an aryl gorup or a heterocyclic group; L.sub.1, L.sub.2 and L.sub.3 each represents a methine group; n.sub.1 represents 1 or 2; and any of R.sub.1, R.sub.2, R.sub.3 and R.sub.4 has a sulfo group and the total of the groups is at least two or more. A method of forming a color image using the same is also disclosed.