Abstract: A photographic recording material with at least one light-sensitive silver halide emulsion layer, the silver halide of which is spectrally sensitised with at least one cyanine dye having the general formula (I) ##STR1## wherein X means O, S, Se, NR.sub.3 or --CH.dbd.CH--,R means alkyl,n means 1, 3, 5, 7R.sub.1, R.sub.2, R.sub.3 mean alkyl, arylalkyl, sulphoalkyl, carboxyalkyl, --(CH.sub.2).sub.m --SO.sub.2 --NH--SO.sub.2 -alkyl, --(CH.sub.2).sub.m --SO.sub.2 --NH--CO-alkyl, --(CH.sub.2).sub.m --CO--NH--SO.sub.2 -alkyl, --(CH.sub.2).sub.

Abstract: A silver halide photographic material for mammography comprising a support having on one side thereof at least two light-sensitive emulsion layers different in sensitivity, in which the uppermost emulsion layer is less sensitive than the lower emulsion layer, the total silver content of all light-sensitive emulsion layers is from 2.0 to 5.5 g/m.sup.2, and the silver halide light-sensitive material exhibits an average contrast of from 3.6 to 4.8 and a sensitivity of from 0.03 to 0.07 lux.sec. when developed as specified; and an X-ray photographic image forming system for mammography comprising (A) a single-sided silver halide light-sensitive material and (B) an X-ray intensifying screen having a layer substantially comprising a Gd.sub.2 O.sub.2 S:Tb fluorescence substance, in which the screen has an emission luminance of 150 to 250 and a contrast transfer function of from 0.40 to 1.00 at a spatial frequency of 5 line pairs/mm, the silver halide light-sensitive material has an average contrast of 3.6 to 4.

Abstract: A silver halide photographic material comprises a support, at least one silver halide emulsion layer and at least one non-light-sensitive hydrophilic colloidal layer. The silver halide emulsion layer or the hydrophilic colloidal layer contains a colorant having the absorption maximum wavelength within the infrared region of 700 to 1,100 nm. The colorant is in the form of solid particles dispersed in the silver halide emulsion layer or in the hydrophilic colloidal layer. The solid particles cannot substantially be removed by a processing solution of the silver halide photographic material. An image forming process employing the silver halide photographic material is also disclosed.

Abstract: Disclosed is a silver halide photographic material comprising a support having provided thereon at least one silver halide emulsion layer comprising a substantially surface-latent-image-type silver halide emulsion which comprises hole-injection-type sensitizing dye(s) in an amount of 4.times.10.sup.-4 mol or more per mol of silver in the emulsion and further comprises supersensitizing compound(s), wherein the hole-injection-type sensitizing dye and the supersensitizing compound satisfy the requirements defined herein. The photographic material, thus comprising at least one silver halide emulsion that has been spectrally sensitized with a large amount of sensitizing dyes in a wavelength range longer than 545 nm and has been further sensitized by reduction sensitization, has a much increased sensitivity, while being fogged poorly, and has excellent storage stability.

Abstract: A silver halide photographic light-sensitive material is disclosed. The material comprises a substrate provided thereon with at least one silver halide emulsion layer comprising at least one compound represented by the following Formula (I): ##STR1## wherein Ra and Rb each represents a hydrogen atom, an alkyl group having at least two carbon atoms or an aryl or heterocyclic group, provided that Ra and Rb do not simultaneously represent hydrogen atoms; La and Lb each represents a methylene group; L.sub.1 and L.sub.2 each represents a methine group; p.sub.1 represents 0 or 1; Z.sub.1 represents an atomic group required for forming a 5- or 6-membered nitrogen atom-containing heterocyclic ring; M.sub.1 represents a counterion required for balancing the electrical charge; m.sub.1 represents a numerical value of not less than 0 required for neutralizing the molecule; and Q represents a methine or polymethine group required for forming a methine dye.

Abstract: A photographic element comprising at least one silver halide emulsion layer in which the silver halide is sensitized with a compound of the formula: ##STR1## wherein A is a silver halide adsorptive group that contains at least one atom of N, S, Se, or Te that promotes adsorption to silver halide, and L represents a linking group containing at least one C, N, S or O atom, k is 1 or 2, and XY is an fragmentable electron donor moiety in which X is an electron donor group and Y is a leaving group other than hydrogen, and wherein:1) XY has an oxidation potential between 0 and about 1-4 V; and2) the oxidized form of XY undergoes a bond cleavage reaction to give the radical X.sup..cndot. and the leaving fragment Y.In a preferred embodiment of the invention, the radical X.sup..cndot. has an oxidation potential .ltoreq.-0.7V.

Abstract: The present invention relates to the use of dyestuffs of the general formula I ##STR1## in which R.sup.1, R.sup.2 and R.sup.3 and M.sup..sym. are as defined in claim 1, as infrared-absorbing agents in hydrophilic colloidal layers, for example in recording materials or for detection purposes, recording materials, for example photographic recording materials, which comprise such dyestuffs in hydrophilic colloidal layers, and new dyestuffs of the general formula I.

Abstract: A photographic element comprises a support and at least one silver halide emulsion layer in which the silver halide is sensitized with a fragmentable electron donor of the formula X--Y, wherein X is an electron donor moiety and Y is a leaving group other than hydrogen, and wherein:1) X--Y has an oxidation potential between 0 and about 1.4 V; and2) the oxidized form of X--Y undergoes a bond cleavage reaction to give the radical X.sup..cndot. and the leaving fragment Y.In a preferred embodiment of the invention, the radical X.sup..cndot. has an oxidation potential .ltoreq.-0.7V.

Abstract: A novel silver halide photographic material is provided, comprising a hydrophilic colloidal layer containing at least one dye represented by the following formula (i): ##STR1## wherein Y.sup.1 and Y.sup.2 each represents a chalcogen atom, --CH.dbd.CH--, --N(R.sup.10)--, or --C(R.sup.10)(R.sup.11)--, in which R.sup.10 and R.sup.11 each represents an alkyl group; Z.sup.1 and Z.sup.2 each represents a nonmetallic atom group necessary for forming a benzo condensed or naphtho condensed ring; R.sup.1 and R.sup.2 each represents an alkyl group; the plurality of L groups may be the same or different and each represents a methine group, with the proviso that at least one of the plurality of L groups represents a methine group substituted by --OR.sup.12, --N(R.sup.12)(R.sup.13), --SR.sup.12 or --CH(R.sup.14)(R.sup.15), in which R.sup.12 represents an alkyl or aryl group substituted by an acidic substituent, R.sup.13 represents a hydrogen atom or an alkyl or aryl group substituted by an acidic substituent, and R.sup.

Abstract: A silver halide photographic material is provided which exhibits nearly equal sensitivities and gamma values with respect to yellow, magenta and cyan to form a black-and-white image of neutral black or sepia tone, even when it is processed with a color developer free from benzyl alcohol.The silver halide photographic material is made up of a substrate and at least one silver halide emulsion layer formed on the substrate. The silver chloride content of silver halide grains constituting the silver halide emulsion layer is 95 mole % or above, the silver halide emulsion is spectrally sensitized by a specific sensitizing dye, and the silver halide emulsion layer contains a yellow coupler, a magenta coupler and a cyan coupler. The image-forming process is characterized by developing the silver halide photographic material with a color developer substantially free from benzyl alcohol.

Abstract: A silver halide photographic material comprises a support, at least one silver halide emulsion layer and at least one non-light-sensitive hydrophilic colloidal layer. The silver halide emulsion layer or the hydrophilic colloidal layer contains a colorant having the absorption maximum wavelength within the infrared region of 700 to 1,100 nm. The colorant is in the form of solid particles dispersed in the silver halide emulsion layer or in the hydrophilic colloidal layer. The solid particles cannot substantially be removed by a processing solution of the silver halide photographic material. An image forming process employing the silver halide photographic material is also disclosed.

Abstract: A dye of the formula (I) below, and photographic elements having a light sensitive layer and which element contains such a dye: ##STR1## X.sub.1 and X.sub.2 each independently represent the atoms necessary to complete a 5- or 6-membered heterocyclic nucleus;x and y are, independently, integers from 0 to 3 provided x+y is no greater than 4;p and q each independently represents 0 or 1,each L independently represents a methine group;R.sub.1 and R.sub.2 each independently represents an alkyl group or an aryl group, andR.sub.3 represents an alkyl group, aryl group or heteroaryl group;W1 is a counterion as needed to balance the charge of the molecule.

Abstract: A color photographic light-sensitive material which has a high storage stability and a high sensitivity and in which photographic properties vary little with the passage of time from photography to development is provided. At least one light-sensitive silver halide emulsion layer constituting a silver halide color photographic light-sensitive material is spectrally sensitized with at least one type of a spectral sensitizing dye represented by Formula (I) below, and at least one silver halide emulsion contained in this light-sensitive silver halide emulsion layer is subjected to reduction sensitization in the manufacturing process of the emulsion. (In Formula (I), each of R.sub.11 and R.sub.12 represents an alkyl group, Z.sub.11 represents a group of atoms required to form a benzene ring, Z.sub.12 represents a group of atoms required to form a benzothiazole nucleus, a benzoselenazole nucleus, a benzoxazole nucleus, or a naphthoxazole nucleus, and X.sub.11 represents a charge-balancing counter anion.

Abstract: There is disclosed a silver halide photographic material in which a residual color can be compatible with a sensitivity in a development processing. The photographic material comprises a support and provided thereon at least one silver halide emulsion layer containing at least one of the methine compounds represented by the following Formula (I) and at least one of the compounds represent-ed by the following Formula (II): ##STR1## wherein R.sup.1 represents --(CH.sub.2).sub.r --CONHSO.sub.2 --R.sup.3, --(CH.sub.2).sub.s --SO.sub.2 NHCO--R.sup.4, --(CH.sub.2).sub.t --CONHCO--R.sup.5, or --(CR.sub.2).sub.u --SO.sub.2 NHSO.sub.2 --R.sup.6, in which R.sup.3, R.sup.4, R.sup.5 and R.sup.6 each represent an alkyl group, an alkoxy group, or an amino group and r, s, t and u each repre-sent an integer of 1 to 5; R.sup.2 is synonymous with R.sup.1 or represents an alkyl group which is different from R.sup.1 ; Z.sup.1 and Z.sup.

Abstract: The invention is generally accomplished by providing an inverted order film in which the lowermost light sensitive layer is a blue-sensitive layer of blue-sensitized tabular grains. The blue-sensitized tabular grains are preferably sensitized to a wavelength of between 450 and 520 nm.

Abstract: A supersensitizing dye combination for silver halide photographic materials is disclosed. The combination is of a first dye according to the formula: ##STR1## Z.sub.1 and Z.sub.2 each independently represents the atoms necessary to complete a substituted or unsubstituted heterocyclic nucleus,each L independently represents a substituted or unsubstituted methine group,n is a positive integer of from 1 to 4,p and q each independently represents 0 or 1,X represents a cation as needed to balance the charge of the molecule,A and A' each independently represents a divalent linking group such that at least one of H--A--SO.sub.3 H and H--A'--SO.sub.3 H would each have a log P value that is more negative than -0.3, anda second dye, having an oxidation potential that is at least about 0.08 volts less positive than the oxidation potential of the first dye and a reduction potential that is equal to or more negative than the reduction potential of the first dye, according to the formula: ##STR2## Z.sub.3 and Z.sub.

Abstract: An improved image display material comprising high chloride silver halide emulsions having greater than 90 mole % silver chloride, where the material comprises a yellow dye-forming layer sensitive to blue light comprising a high chloride silver halide emusion with a peak spectral sensitivity to blue light less than about 475 nm, preferably from about 440-475 nm, and a coupler dispersion comprising a yellow dye-forming coupler and a water-insoluble polymer. Photographic image display materials with both short-blue sensitivity and a polymer dispersion in the yellow dye-forming blue-sensitive layer show a synergistic improvement in color reproduction in accordance with the invention, providing for color photographic prints with less color error than seen for materials comprising only one of the components. The improvement is most notable for yellow and green colored areas of a color print.

Abstract: A silver halide photographic material is described, which contains the methine compound represented by the following formula (I): ##STR1## wherein Z.sup.1 represents a nonmetal atomic group necessary for completing a 5- or 6-membered heterocyclic ring which may be condensed; R.sup.1 represents an aliphatic or aromatic group which may be substituted; G.sup.1 represents a hydroxyl group, an amino group, an aliphatic or aromatic primary amino group, a hydroxyamino group, an alkoxyamino group, an acylamino group, or an aliphatic or aromatic sulfonamido group; G.sup.2 is a group substituted at the position adjacent to G and is a group represented by T.sup.2 --C(.dbd.T.sup.1)--; .dbd.T.sup.1 represents .dbd.O, .dbd.NH, .dbd.NOH, an alkoxyimino group, an aliphatic or aromatic imino group, an acylimino group, or an aliphatic or aromatic sulfonylimino group; T.sup.

Abstract: A silver halide photographic material having high sensitivity, reduced in fog and excellent in storage stability is described, which comprises a support having thereon at least one constituent layer containing at least one hydrazone compound having a methine dye residue or an adsorbing group to silver halide through a covalent bond or containing at least one metallocene compound having a methine dye residue through a covalent bond.

Abstract: The invention involves a process for making photographic recording materials for radiography having comparable sensitivity and high visual resolution in the resulting x-ray images, whether used with green-emitting or blue-emitting intensifying screens. The invention also describes a process for making x-ray images by the use of such recording materials. The invention regulates the ratio of the silver halide coating's blue to green sensitivity by the addition of an aliphatic 2-amino-1-thio compound of Formula I: ##STR1## wherein R.sup.1 =alkyl of 1 to 5 carbons, aryl, alkylacyl of 1 to 5 carbons, H or arylacyl;R.sup.2, R.sup.3, R.sup.4, R.sup.5 =H, alkyl of 1 to 4 carbons or COR.sup.7 ;R.sup.6 =H or alkyl of 1 to 5 carbons,R.sup.7 =OH, NHR.sup.8, or O-R.sup.10 where R.sup.10 is an alkyl of 1 to 5 carbons;R8, R9=H or alkyl of 1 to 5 carbons;R.sup.1 and R.sup.6 taken together represent one to three methylene groups bridging the nitrogen and the sulfur; andR.sup.1 and R.sup.

Abstract: A silver halide photographic material comprising at least one silver halide emulsion layer and at least one non-light-sensitive hydrophilic colloidal layer provided on a support. The silver halide emulsion layer or the hydrophilic colloidal layer contains a dye represented by the formula (I): ##STR1## in which A.sup.1 is an alkyl group, a substituted alkyl group, an aryl group or a substituted aryl group; each of Q.sup.1 and Q.sup.2 is hydrogen, an alkyl group or a substituted alkyl group, or Q.sup.1 and Q.sup.2 are combined with each other to form a five or six-membered heterocyclic ring; Q.sup.3 is hydrogen, a halogen atom, carboxyl, hydroxyl, methyl or methoxy; each of M.sup.1 and M.sup.2 is hydrogen, a metal atom or an atomic group that forms a monovalent cation; and p is 2, 3 or 4.

Abstract: A silver halide color photographic material having an excellent color reproducibility, high sensitivity and excellent graininess.The silver halide color photographic material contains at least one of each blue-sensitive emulsion, green-sensitive emulsion, red-sensitive emulsion layer and hydrophilic colloid layers, in which the hydrophilic colloid layer contains a compound of formula (I) and the silver halide emulsion layer, which gives an interlayer effect to said red-sensitive layer, contains a silver halide emulsion spectrally sensitized with a compound represented by formulae (II) and (III).

Abstract: The present invention provides a silver halide color photographic material having an excellent color reproducibility and preservability.

Abstract: A photographic element with a silver halide emulsion having a maximum sensitivity in the visible region at less than 480 nm and being sensitized by a dye of formula (I): ##STR1## wherein: X.sub.1 and X.sub.2 each independently represent S, Se or O; R.sub.1 and R.sub.2 are, independently, an alkyl group; Z represents an aromatic group or heteroaromatic group that is directly appended to the benzene ring shown or is attached through a linking group provided that the atoms of the linking group are sp.sup.2 hybridized, or Z can be a fused aromatic ring group; the benzene rings shown can be further substituted or unsubstituted, and; A' is one or more ions as needed to balance the charge on the molecule.

Abstract: Phenanthroazole cyanines and anthraazole cyanines, having not less than one acidic group, of the formula I are excellent spectral sensitizers. ##STR1## The symbols in formula I have the following meanings X.sub.1 and X.sub.2 O, S, Se or NR.sub.10 ;R.sub.1 and R.sub.2 or R.sub.2 and R.sub.3 residues of an optionally substituted phenanthroazole or anthraazole with the remaining group R.sub.3 or R.sub.1 signifying hydrogen;R.sub.4 and R.sub.6 hydrogen or together a .pi.-bond,R.sub.5 and R.sub.7 hydrogen, alkyl or aryl orR.sub.4,R.sub.5,R.sub.6 and R.sub.7 residues of an optionally substituted benzazole, naphthazole, phenanthroazole or anthraazole;R.sub.8, R.sub.9 alkyl, sulphoalkyl, carboxyalkyl, --(CH.sub.2).sub.m --CO--NR.sub.11 --SO.sub.2 --R.sub.12 or --(CH.sub.2).sub.m --SO.sub.2 --NR.sub.11 --CO--R.sub.12 ;R.sub.10 a residue as defined for R.sub.8 /R.sub.9 or aryl;R.sub.11 hydrogen or the negative charge (.sup..crclbar.) which remains when a proton is removed;R.sub.12 alkyl, aryl, --O.sup..crclbar., --N(R.

Abstract: Improved photothermographic elements are spectrally sensitized with cyanine dyes that provide efficient sensitization together with excellent keeping stability and low dye stain. The photothermographic elements comprise a photosensitive silver halide, an organic silver salt, such as silver behenate, and a reducing agent. The cyanine dye utilized as a spectral sensitizer for the silver halide is an anionic cyanine dye comprising two thiazole nuclei each of which is substituted with an N-sulfoalkyl group wherein at least one of the thiazole nuclei is a 5,6-dihalobenzothiazole nucleus.

Abstract: Improved photothermographic elements are spectrally sensitized with a combination of cyanine dyes that provides efficient sensitization together with excellent keeping stability and low dye stain. The photothermographic elements comprise a photosensitive silver halide, an organic silver salt, such as silver behenate, and a reducing agent. The dye combination utilized as a spectral sensitizer for the silver halide is a combination of a first cyanine dye containing two thiazole nuclei and a second cyanine dye containing a thiazole nucleus and an oxazole nucleus.

Abstract: The present invention relates to polymethine spectral sensitising dyes comprising at least one intracyclic thioether function macrocycle.These special sensitising dyes may be used in silver halide photographic products.These spectral sensitising dyes improve the sensitivity of the photographic products whilst reducing the residual dye stain.

Abstract: The invention relates to a method of sensitizing (111) high chloride tabular grains having {111} major faces comprising providing the high chloride tabular grains, and sensitizing using temperatures greater than 70.degree. C.

Abstract: A silver halide photographic element comprising a sensitizing dye of the formula: ##STR1## wherein: X1, X2, n, L, L2, R1 and R2 are as defined in the specification;Z1 represents Ar1-(L1) m, where Ar1 is a substituted or unsubstituted aromatic group, L1 is a linking group, m is 0 or 1, and the LOGP(A) of a molecule having a structure A corresponding to a portion of the dye ##STR2## is no more than 90% of LOGP(A'), where A' is the same as A except Z1 is replaced with unsubstituted phenyl, provided that L1 is not --CO-- when X1 or X2 is S or Se; andW1 is a counterion as needed to balance the charge of the molecule.

Abstract: Disclosed is a silver halide emulsion having at least one methine compound of formula (I) (MET).sub.k1 --[(Q) --Ar].sub.k2, wherein MET represents an atomic group having a methine compound structure; Q represents a divalent linking group composed of atom(s) or atomic group(s) containing at least one carbon, nitrogen, sulfur or oxygen atom; Ar represents an aromatic group containing monocyclic compound(s) each composed of 5 or more atoms; k1 represents an integer of 1 or more; and k2 represents an integer of 2 or more. A photographic material containing the emulsion has high sensitivity and high storage stability.

Abstract: A heat developing photosensitive member including: a photosensitive layer containing at least an organic silver salt, a reducing agent and a photosensitive silver halide or a photosensitive silver halide forming agent; and a supporting member for supporting the photosensitive layer thereon, wherein merocyanine dye having a structure in which a thiazole nucleus or selenazole nucleus and hydantoin nucleus, thiohydantoin nucleus or selenohydantoin nucleus are combined with each other by a combining group having a methine group is contained in the photosensitive layer.

Abstract: Disclosed is a silver halide photographic material and forming an image using the same, containing a hydrazine derivative in the emulsion layer(s) or in other hydrophilic colloid layer(s). At least one silver halide emulsion comprises silver halide grains containing (a) from 1.times.10.sup.-8 to 1.times.10.sup.-6 mol, per mol of silver, of an iridium compound, and (b) from 1.times.10.sup.-8 to 1.times.10.sup.-6 mol, per mol of silver, of a rhodium compound or from 1.times.10.sup.-9 to 1.times.10.sup.-5 mol, per mol of silver, of a rhenium compound, ruthenium compound or osmium compound, and having a silver chloride content of 50 mol % or more, the emulsion having been color-sensitized with a sensitizing dye of the following general formulae (1), (2) or (3): ##STR1## The material may be processed with a stable developer to give a hard image having few "black peppers".

Abstract: A silver halide photographic emulsion is provided, containing a monomethine-cyanine dye, a trimethine-cyanine dye and a supersensitizer represented by the following Formula [I] or Formula [II]. The cyanine dyes are incorporated in the form of a dispersion of solid particles.

Abstract: Disclosed herein is a silver halide color photographic light-sensitive material which has a specific photographic sensitivity of 320 or more, and which comprises a support layer and silver halide emulsion layers formed thereon. The material has a film thickness of 22 .mu.m or less, measured from the light-sensitive layer closest to the support layer up to the surface of the material facing away from the support layer. At least one of the silver halide emulsion layers contains a spectral sensitizer represented by the following formula (I): ##STR1## In the formula, R.sup.1 and R.sup.2 are alkyl groups, at least one of which at least one carbon atom bonds together with at least three atoms other than hydrogen atoms, X is an anion, p is 0 or 1, k is 0, 1 or 2, L.sub.1 and L.sub.2 are a methyne group or a substituted methyne group, Z.sup.1 and Z.sup.2 are groups of atoms numerous enough to form a 5- or 6-membered nitrogen-containing heterocyclic ring.

Abstract: A photographic element which has a blue sensitive emulsion with broad blue spectral coverage and yet, good speed and low fog. The element has a blue sensitive silver halide tabular grain emulsion which has a tabularity of at least 25 sensitized with a dye of formula (I) and a dye of formula (II), wherein the formula (I) dye on the emulsion has a peak sensitization of between 400-445 nm and the formula (II) dye on the emulsion has a peak sensitization of between 446-500 nm: ##STR1## wherein: Z.sub.1, Z.sub.2, Z.sub.3 and Z.sub.4 independently represent the atoms necessary to complete a substituted or unsubstituted benzene or naphthylene;X, Y, X.sub.1 and Y.sub.1 are independently O, S, Se or MR.sub.5, provided that at least X or Y is O or NR.sub.5, where R.sub.5 is a substituted or unsubstituted alkyl or aryl;R.sub.1, R.sub.2, R.sub.3 and R.sub.4 independently represent H or a substituted or unsubstituted alkyl or aryl.

Abstract: There is disclosed a photographic element comprising a layer of a silver halide emulsion containing a sensitizing combination of first and second cyanine red spectral sensitizing dyes according to structure I: ##STR1##

Abstract: A silver halide photographic material is disclosed which contains at least one methine dye represented by the following formula (I) or (II): ##STR1## wherein Z.sub.1 and Z.sub.2 each represents an atomic group for forming a five-membered or six-membered nitrogen-containing heterocyclic ring; R.sub.1, R.sub.2, R.sub.4 and R.sub.5 each represents an alkyl group; R.sub.3 and R.sub.6 each represents an alkyl group, an aryl group or a heterocyclic group; V.sub.1 to V.sub.12 each represents a hydrogen atom or a substituent; L.sub.1 to L.sub.10 each represents a methine group; M.sub.1 and M.sub.2 each represents an ion for neutralizing charge; m.sub.1 and m.sub.2 each represents a number of 0 or more which is required for neutralizing charge; and n.sub.1 and n.sub.2 each represents 0 or 1.

Abstract: Hydrophobic compounds, such as photographically useful compounds, are incorporated into an aqueous medium, such as a silver halide emulsion or a photographic coating composition, by forming a solid additive material comprising the hydrophobic compound and a solid hydrophilic material. The solid hydrophilic material is preferably a mixture of a polysaccharide and sorbitol or succinimide. The additive material is prepared by dry powder mixing the solid hydrophobic compound and solid hydrophilic material followed by a process step that heats, expells, and cools the composition to produce a high surface area uniform material having a specific surface area of at least about 10 square centimeters per gram. The additive material can then be dissolved directly and uniformly in the aqueous medium.

Abstract: There is disclosed a silver halide color photographic material having a red-sensitive silver halide emulsion layer, a green-sensitive silver halide emulsion layer, a blue-sensitive silver halide emulsion layer, which comprises a cyan dye-forming coupler represented by formula (Ia) and (a) a sensitizing dye containing a sulfonamide group, (b) negative-type internal latent image-type silver halide grains chemically sensitized to a defined depth from the surface, (c) grains each having a defined spectral sensitivity distribution and a DIR-hydroquinone, (d) a monodisperse silver halide emulsion, (e) non-photosensitive silver halide emulsion wherein the inside or the surface of grains is fogged, (f) a colloidal silver, or (g) a DIR-hydroquinone: ##STR1## wherein Za represents --NH-- or --CH(R.sub.3)--, Zb and Zc each represent --C(R.sub.4).dbd. or --N.dbd., R.sub.1, R.sub.2, and R.sub.3 each represent an electron-attracting group wherein the Hammett substituent constant .sigma..sub.p value is 0.

Abstract: A color photographic element has a blue sensitive tabular grain silver halide emulsion layer the halide content of which is less than 80% chloride and which has a tabularity of at least 8. The foregoing emulsion is sensitized such that the wavelength of maximum sensitivity of the emulsion between 400-500 nm (".lambda..sub.Bmax "), the sensitivity at 485 nm ("S.sub.485 "), the sensitivity at 410 nm ("S.sub.410 "), and the sensitivity at .lambda..sub.Bmax (".lambda..sub.Bmax "), are defined by:430 nm.gtoreq..lambda..sub.Bmax .gtoreq.440 nm or 450 nm.gtoreq..lambda..sub.Bmax .gtoreq.480 nmandS.sub.485 .gtoreq.50% (S.sub.Bmax)S.sub.410 .gtoreq.60% (S.sub.Bmax)and the maximum sensitivity of the emulsion between 430-440 nm ("S.sub.(430-440)max "), and the maximum sensitivity between 450-480 nm ("S.sub.(450-480)max "), have the following relationship:90% (S.sub.(450-480)max).gtoreq.S.sub.(430-440)max .gtoreq.110%(S.sub.(450-480)max).

Abstract: A novel silver halide photographic material is provided, comprising at least one methine compound having a methine dye and hydrazine covalently bonded to each other, two nitrogen atoms in said hydrazine being substituted by four substituents. In a preferred embodiment, the methine compound is represented by formula (I): ##STR1## wherein MET represents an atomic group; Q represents a divalent bonding group consisting of atoms or atomic group containing at least one of carbon atom, nitrogen atom, sulfur atom and oxygen atom; Hy represents an atomic group having a hydrazine structure represented by formula (II); k.sub.1 represents 0 or an integer 1 to 4; and k.sub.2 represents 0 or 1, and k.sub.3 represents an integer 1 to 4. ##STR2## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 each represents an alkyl group, an aryl group or a heterocyclic group, with the proviso that Hy is substituted by at least one --(Q).sub.k2 -(MET).sub.k1. A novel methine compound is also provided represented by the general formula (I).

Abstract: Disclosed is a silver halide photographic light-sensitive material comprising a support and thereon at least one light-sensitive silver halide emulsion layer, wherein said silver halide emulsion layer contains a compound represented by Formula S-I and a compound represented by Formulas S-II or S-III: ##STR1##

Abstract: There is disclosed a silver halide photographic material which is rapidly processable, high sensitive and small in variations in sensitivity between production lots of the photograhic material. The silver halide photographic material comprises a silver halide emulsion layer containing a cyan dye forming coupler, a silver halide emulsion layer containing a magenta dye forming coupler, and a silver halide emulsion layer containing a yellow dye forming coupler on a reflective support, wherein at least one layer of said silver halide emulsion layers comprises silver halide emulsion grains and compounds represented by the following general formulas (I) and (II), said emulsion grains being tabular silver halide emulsion grains having (100) planes as main planes and a silver chloride content of 90 mol % or more, and further the mean bromide ion content on surfaces of said emulsion grains is twice or more that of the whole emulsion grains: ##STR1## wherein the substituents are as defined herein the specification.

Abstract: A silver halide color photographic material which contains a silver chlorobromide emulsion having a silver chloride content of 90 mol% or more or a silver chloride emulsion in at least one light-sensitive silver halide emulsion layer, said emulsion layer containing a 5-bromo-substituted simple cyanine dye. An image forming method comprising processing said photographic material with a processing solution containing a diaminostilbene compound having four or more strongly-hydrophilic substituents.

Abstract: A novel silver halide photographic material is provided, comprising a hydrophilic colloidal layer containing at least one dye represented by the following formula (I): ##STR1## wherein Y.sup.1 and Y.sup.2 each represents a chalcogen atom, --CH.dbd.CH--, --N(R.sup.10)--, or --C (R.sup.10)(R.sup.11)--, in which R.sup.10 and R.sup.11 each represents an alkyl group; Z.sup.1 and Z.sup.2 each represents a nonmetallic atom group necessary for forming a benzo condensed or naphtho condensed ring; R.sup.1 and R.sup.2 each represents an alkyl group; the plurality of L groups may be the same or different and each represents a methine group, with the proviso that at least one of the plurality of L groups represents a methine group substituted by --OR.sup.12, --N(R.sup.12)(R.sup.13), --SR.sup.12 or --CH(R.sup.14)(R.sup.15), in which R.sup.12 represents an alkyl or aryl group substituted by an acidic substituent, R.sup.13 represents a hydrogen atom or an alkyl or aryl group substituted by an acidic substituent, and R.sup.

Abstract: A color photographic material comprising at least one cyan-coupling silver halide emulsion layer containing a red sensitizer, at least one magenta-coupling silver halide emulsion layer containing a green sensitizer and at least one yellow-coupling silver halide emulsion layer containing a blue sensitizer on a support, in which a silver halide emulsion is provided in a coupler-free layer sensitized with another spectral sensitizer (a gap sensitizer) of which the sensitization maximum lies between the sensitization maxima of the red- and green-sensitive layers or the green- and blue-sensitive layers, is distinguished by an extended gradation range towards the maximum densities and by distinctly improved detail reproduction in the region of high densities.

Abstract: An improved process for manufacturing a spectrally sensitized photographic element comprising the combination of ultrafiltration of silver halide grains in combination with a supersensitizing additive consisting of ##STR1## wherein D.sup.+ is Na.sup.+, K.sup.+, Li.sup.+, NH4.sup.+ ; n is 1-5; m is 1-10.

Abstract: Photothermographic elements of the photothermographic type may be sensitized to the infrared with sensitizing dyes of the formula: ##STR1## wherein: R.sup.1 represents a (CH.sub.2).sub.n --COO.sup.- group of from 1-20 carbon atoms, or an alkyl group of from 1 to 20 carbon atoms; andn is an integer from 1 to 20.

Abstract: A silver halide photographic material is disclosed which comprises at least one of methine compounds represented by the following formula (I) ##STR1## wherein R.sub.1 represents a substituted or unsubstituted alkyl group; V.sub.1, V.sub.2, V.sub.3, V.sub.4, V.sub.5, V.sub.6 and V.sub.7 are the same or different and each represents a hydrogen atom or a substituent; X.sub.1 represents a halogen atom; L.sub.1, L.sub.2 and L.sub.3 are the same or different and each represents a substituted or unsubstituted methine group; E represents an auxochrome; n represents a number of 0 or more; M.sub.1 represents an ion for neutralizing charge; and m.sub.1 represents a number of 0 or more necessary for neutralizing the molecular charge.