Abstract: A silver halide photographic material is disclosed, comprising a support having thereon photographic constituent layers with at least one layer thereof containing water-insoluble polymers, wherein at least one of the water-insoluble polymers is a polymer containing an aromatic ring and having a number average molecular weight of 4,000 or less and the weight percentage of the aromatic ring in the polymer molecule is 40% or more.

Abstract: A silver halide color photographic material is disclosed, which comprises a support having thereon at least one yellow coloring light-sensitive silver halide emulsion layer, at least one magenta coloring light-sensitive silver halide emulsion layer, and at least one cyan coloring light-sensitive silver halide emulsion layer, wherein at least one of said yellow coloring light-sensitive silver halide emulsion layer contains at least one dye-forming coupler represented by formula (Y) and at least one non-coloring compound represented by formula (A) or (B): ##STR1## with the substituents as defined herein the specification.

Abstract: A silver halide color light-sensitive material is disclosed comprising a support having thereon at least one layer containing at least one yellow dye forming coupler represented by formula (I) ##STR1## wherein Z represents a nonmetallic atom group necessary for forming a 5-membered ring represented by formula (II-1) or (II-2): ##STR2## and the remaining substituents are as defined herein the specification.

Abstract: There is disclosed a silver halide color photographic light-sensitive material having at least one photographic constitutional layer on a support, wherein at least one reducing agent for color formation, which is a specific hydrazine compound, at least one dye-forming coupler, and at least one high-boiling-point organic solvent whose electron-donative parameter .DELTA..nu..sub.D at 25.degree. C. is 80 or more, are contained in at least one of said photographic constitutional layers. The above light-sensitive material enables low replenishment and reduced discharge of a color developer; can form colors favorably even when the coating film's pH is low; and is reduced in stain due to long-term storage of the light-sensitive material or stain after the processing of the light-sensitive material.

Abstract: A silver halide photographic material is disclosed, which comprises a support having thereon at least one light-sensitive silver halide emulsion layer, wherein said silver halide photographic material contains at least one compound represented by the following formula (I): ##STR1## wherein R.sup.1 represents a substituted or unsubstituted alkyl group having from 1 to 6 carbon atoms; and R.sup.2 represents a branched alkyl group having 20 or more carbon atoms, a straight chain or branched alkenyl group having 17 or more carbon atoms, or a substituted alkyl or substituted alkenyl group substituted with at least one substituent selected from the group consisting of an alkoxycarbonyl group, an alkenoxycarbonyl group, an aryloxycarbonyl group, a carbamoyl group, an acyl group, an alkoxyl group, an alkylthio group, an arylthio group, an alkylsulfonyl group, an arylsulfonyl group, an aryl group and a heterocyclic group, and having 12 or more carbon atoms in total.

Abstract: A silver halide color photographic material is disclosed which comprises a support having provided thereon at least one photographic layer containing: (i) at least one yellow dye-forming coupler represented by formula (I); and (ii) a compound represented by formula (IV), or an oligomer or polymer comprising a moiety of the compound represented by formula (IV): ##STR1## wherein R.sub.1 and R.sub.2 each independently represents an aliphatic oxy group, an aliphatic group, an aryloxy group, an aryl group, an aliphatic amino group, or an anilino group; R.sub.3 represents a hydrogen atom, an aliphatic group, or an aryl group; and Q represents a dye-forming coupler residue capable of forming a yellow dye by undergoing a coupling reaction with an oxidation product of a developing agent;R.sub.31 CON(R.sub.32)R.sub.33 (IV)wherein R.sub.31, R.sub.32, and R.sub.33 each independently represents a hydrogen atom, an aliphatic group, or an aryl group; provided that the sum of the carbon atom numbers of R.sub.31, R.sub.

Abstract: Disclosed are a photographic yellow dye-forming coupler of formula (I) and a photographic material containing one or more such yellow couplers. ##STR1## wherein R.sub.1 represents an alkyl group, a cycloalkyl group, an aryl group, an alkylamino group, an anilino group, or a heterocyclic group; R.sub.2 represents a hydrogen atom, a halogen atom, an aliphatic-oxy group, an aryloxy group, an aliphatic group, or an amino group; R.sub.3 represents an alkenyl group; R.sub.4 represents a substituent; m represents an integer of from 0 to 3; and X represents a hydrogen atom, or a group capable of being split off from the formula by the coupling reaction with an oxidation product of an aromatic primary amine developing agent. The couplers have a high solubility in solvents, and emulsions containing the couplers can be stored in cool for a long period of time without worsening the coloring property of the couplers.

Abstract: A silver halide color photographic material which comprises a support having thereon at least one layer containing at least one compound represented by the following general formulaR.sup.1 --SO.sub.2 NH.sub.2wherein R.sup.1 represents an unsubstituted aliphatic group having 6 or more carbon atoms, an unsubstituted aryl group or an aryl group substituted by at least one substituent selected from the group consisting of an aliphatic group, an aryloxy group, a carbamoyl group, an acylamino group, an aliphatic oxycarbonyl group, an arylcarbonyl group and a halogen atom, provided that R.sup.1 does not contain any coupler residue.

Abstract: A silver halide color photographic material excellent in color forming property and wet heat image fastness comprising at least one compound represented by formula (I) in any layer formed on a support: ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 independently represent branched chain unsubstituted alkyl groups each having 3 to 20 carbon atoms with the proviso that the total carbon number of R.sub.1, R.sub.2, R.sub.3 and R.sub.4 is 16 to 60.

Abstract: A heat-developable color light-sensitive material is described, which comprises a light-sensitive silver halide, a binder, a dye-donating compound and at least one compound represented by the following formula (I) on a support: ##STR1## wherein R.sub.1 represents an alkyl group having from 1 to 30 carbon atoms, an alkenyl group having from 2 to 30 carbon atoms, a cycloalkyl group having from 3 to 30 carbon atoms, or an aryl group having from 6 to 36 carbon atoms; R.sub.2, R.sub.3, R.sub.4 and R.sub.5 each independently represents a hydrogen atom, an alkyl group having from 1 to 30 carbon atoms, or an alkenyl group having from 2 to 30 carbon atoms; m represents an integer of from 0 to 10; and n represents 0 or 1; with the proviso that, when m is an integer of from 1 to 10, n is 0; when n is 1, m is 0; when m is an integer of from 2 to 10, the plurality of R.sub.2 groups may be the same or different, and the plurality of R.sub.3 groups may be the same or different; R.sub.1 and R.sub.2, R.sub.2 and R.sub.

Abstract: A silver halide photographic material comprising a support having provided thereon at least one layer, wherein said at least one layer contains at least one compound which is represented by the following formula (1) and is liquid at 25.degree. C.: ##STR1## wherein R.sub.1 and R.sub.2, which may be the same or different, each represents a hydrogen atom, an unsubstituted unsaturated straight-chain aliphatic group, or an unsubstituted branched alkyl group; provided that both R.sub.1 and R.sub.2 must not be hydrogen atoms and that the sum of the carbon atoms in R.sub.1 and R.sub.2 is 18 or more.

Abstract: A silver halide color photographic material is described, comprising a support having provided thereon at least one light-sensitive silver halide emulsion layer(s), wherein at least one of said silver halide emulsion layer(s) comprises a high boiling organic solvent represented by the following formula (SO): ##STR1## wherein Y represents a substituent group represented by the following formula (A) or (B): ##STR2## wherein R.sub.21 in the formula (A) represents an aliphatic or aryl group containing 9 to 40 carbon atoms, and R.sub.22 and R.sub.23 in the formula (B) each represents an aliphatic or aryl group containing 6 to 40 carbon atoms.

Abstract: A silver halide color photographic light-sensitive material comprising a support having thereon at least one layer which contains at least one compound represented by the following formula (I): ##STR1## wherein R.sup.1 and R.sup.2 may be the same or different and each independently represents an alkyl group, an aryl group or a heterocyclic group; Ar represents an aryl group; Ar and R.sup.1 may be linked to form a 5- to 7-membered ring but R.sup.2 and Ar or R.sup.1 do not link with each other; and n represents an integer of 0 to 2.

Abstract: There is disclosed a cyan dye-forming coupler represented by the following formula (I) and a silver halide color photographic material containing the same: formula (I) ##STR1## wherein R represents a hydrogen atom, an alkyl group having 1 to 8 carbon atoms, or an aryl group having 6 to 20 carbon atoms, Y represents a group capable of substitution onto a benzene ring, Z represents a group capable of substitution onto a naphthalene ring, X represents a hydrogen atom or a coupling-off group, m is an integer of 0 to 4, and n is an integer of 0 to 4.

Abstract: A silver halide photo-sensitive material comprising a support, and at least one silver halide emulsion layer, on said support containing at least one compound having the following general formula (I): ##STR1## where R.sup.1 is an aliphatic group, an aryl group, an aliphatic oxy group or an aryloxy group; and X is an alkylene or alkenylene group forming a five- or six-membered ring. In this event, R.sup.1 will not bond to a carbon atom in the ring of X.

Abstract: A silver halide color photographic material having on a support at least one cyan dye-forming coupler-containing silver halide emulsion layer, at least one magenta dye-forming coupler-containing silver halide emulsion layer and at least one yellow dye-forming coupler-containing silver halide emulsion layer, wherein the cyan dye-forming coupler is a 1-naphthol type coupler having a naphtol nucleus, in which a group represented by the following formula (I) binds directly to the 2-position of the naphthol nucleus, and the magenta dye-forming coupler is a 1H-pyrazolo[1,5-b]-1,2,4-triazole type coupler, ##STR1## wherein R.sup.1 represents a hydrogen atom, an alkyl group, an alkenyl group, an alkynyl group, a cycloalkyl group, an aralkyl group, or an aryl group; R.sup.2 represents a substituent group; R.sup.3 and R.sup.4 each represents a hydrogen atom, an alkyl group, an aryl group, a halogen atom, an alkoxy group, or an aryloxy group; l represents an integer from 0 to 4; and m represents an integer from 0 to 4.