Abstract: Disclosed is a photothermographic material having an image-forming layer containing a silver salt of an organic acid, photosensitive silver halide grains and a reducing agent on a support, wherein ratio of scratch strength measured before heat development and scratch strength measured 30 minutes after the heat development is in the range of 1:1-1:3 for a surface of the image-forming layer side. The photothermographic material shows improved film strength after heat development.

Abstract: Thermally developable photothermographic materials comprise a backside layer that includes a backside stabilizer to reduce fog formation in high humidity conditions, thereby providing improved shelf stability. Useful backside stabilizers include an amine organic base whose conjugate acid has a pKa greater than 5. These backside stabilizers can be provided particularly in non-photosensitive compositions that include an antihalation composition.

Abstract: The present invention relates to an imaging element comprising at least one imaging layer and a support wherein the support comprises at least one layer comprising a splayant and a layered material, wherein the layered material has an aspect ratio from 20:1 and 500:1 and wherein the layered material comprises less than 10% by weight of the layer. The present invention also relates to a method of making a dimensionally stable imaging element comprising providing a support wherein said support comprises at least one layer comprising a splayant and a layered material, wherein said layered material comprises an aspect ratio of from 20:1 to 500:1 and wherein said layered material comprises less than 10% by weight of said at least one layer; and applying at least one imaging layer.

Abstract: A silver salt photothermographic imaging material is disclosed, comprising a light-sensitive aliphatic acid silver salt, a light-sensitive emulsion containing light-sensitive halide grains, a reducing agent for silver ions, a binder and a cross-linking agent, wherein the cross-linking agent is an aromatic polyisocyanate compound and the photothermographic material further comprises a compound selected from compounds represented by the following formulas.

Abstract: Disclosed is a method of producing a water-soluble chain-extended gelatin subjecting a source a source gelatin having a first isoelectric point, in aqueous solution, to a partial crosslinking reaction to form a reaction mixture comprising a partially crosslinked gelatin having a second isoelectric point, filtering the reaction mixture, adjusting a pH value of the filtered reaction mixture to a value equivalent to the second isoelectric point ±1.5, and concentrating, drying and pulverizing the pH-adjusted reaction mixture.

Abstract: The present invention provides a thermally processed image recording material having, on a support, an image-forming layer containing at least (a) a silver salt of an organic acid, (b) a reducing agent and (c) a photosensitive silver halide and at least one protective layer provided on the image-forming layer and comprising polymer latex as binders of the image-forming layer and the protective layer, wherein at least one of the image-forming layer and the protective layer contains a viscosity enhancer that increases viscosity of its aqueous solution when the solution is heated and temperature of the solution exceeds a certain transition temperature, and the viscosity enhancer is a polymer selected from the group consisting of polymers containing a (meth)acrylamide derivative represented by the following formula (1) or (2) in an amount of 50 weight % or more as constituent units: (wherein R1 represents H or CH3, R2 represents an alkylene group, R3 to R6 represent H or CH3, and X represents &m

Abstract: Novel co-developer compounds are useful in combination with hindered phenol developers to produce high contrast black-and-white photothermographic elements. The co-developer compounds have the formula wherein: Y is H, a metal (preferably, an alkali metal), or an alkyl group (preferably, an alkyl group having from 1 to 4 carbon atoms), and the solid curved line represents the atoms and bonds necessary to complete a ring structure (preferably a 5 or 6 membered ring structure). The photothermographic elements may be used as a photomask in a process where there is a subsequent exposure of an ultraviolet or short wavelength visible radiation-sensitive imageable medium.

Abstract: Disclosed is a method of producing a water-soluble chain-extended gelatin subjecting a source a source gelatin having a first isoelectric point, in aqueous solution, to a partial crosslinking reaction to form a reaction mixture comprising a partially crosslinked gelatin having a second isoelectric point, filtering the reaction mixture, adjusting a pH value of the filtered reaction mixture to a value equivalent to the second isoelectric point ±1.5, and concentrating, drying and pulverizing the pH-adjusted reaction mixture.

Abstract: 1-Sulfonyl-1H-benzotriazole compounds have been found to be useful as antifoggants and print stabilizers in photothermographic elements. The photothermographic elements may be used in medical imaging films or as a photomask in a process where there is a subsequent exposure of an ultraviolet or short wavelength visible radiation-sensitive imageable medium.

Abstract: An image forming process comprises the steps of image-wise exposing to light a light-sensitive material, heating the light-sensitive material to develop the silver halide within the exposed area and to harden the hardening layer, and removing the light-sensitive layer and the unhardened area of the hardening layer from the light-sensitive material with an etching solution to form a replica image of the hardened area on the support. The light-sensitive material comprises a support, a hardening layer and a light-sensitive layer in this order. The hardening layer contains an ethylenically unsaturated polymerizable compound represented by the formula (I).A(--NH--CO--Y--L--Q.sub.n).sub.m (I)in which A is an m-valent organic group having 1 to 50 carbon atoms; Y is --O-- or --NR--, wherein R is hydrogen or an alkyl group having 1 to 12 carbon atoms; L is an (n+1)-valent aliphatic group having 1 to 10 carbon atoms; Q is acryloyloxy or methacryloyloxy; n is 1, 2 or 3; and m is 2, 3, 4, 5 or 6.

Abstract: A (photo)thermographic recording material according to the present invention comprising a thermosensitive element contains a substantially light-insensitive organic silver salt, a reducing agent therefor in thermal working relationship therewith and a binder (and optionally further including photosensitive silver halide), wherein the (photo)thermographic recording material is exclusive of polypyrrole/poly(styrene sulfonic acid) in an electrically-conductive layer and further contains a compound represented by formula (I) or a reaction product thereof with a polymer having active hydrogen atoms: ##STR1## where R.sup.1 and R.sup.3 independently represent hydrogen, a hydroxyalkyl group, an alkoxyalkyl group, an alkyl group, a --(C.dbd.O)R.sup.5 group or an alkenyl group; and R.sup.2 and R.sup.4 independently represent a hydroxyalkyl group, an alkoxyalkyl group, an alkyl group, a --(C.dbd.O)R.sup.5 group or an alkenyl group; or R.sup.1 and R.sup.2 together and R.sup.3 and R.sup.

Abstract: A tabular silica dispersion is disclosed, which is obtained by mixing a tabular silica, gelatin, a cyclodextrin and a compound capable of crosslinking gelatin. Silver halide photographic materials are also disclosed, in which the tabular silica dispersion is incorporated into a silver halide emulsion layer or a light-insensitive hydrophilic colloidal layer.

Abstract: This invention comprises a composition containing a hydrophilic colloid and a water soluble polymer of boric acid, and optionally a hardening agent for the hydrophilic colloid. The hydrophilic colloid is preferably gelatin. This invention also comprises a photographic element in which at least one layer thereof contains a hydrophilic colloid and a water-soluble polymer of boric acid and a method of making the photographic element.

Abstract: A method for producing an information recording medium is disclosed. The method comprising the steps of (1) applying a surface treatment on a surface of a film support so that the atomic percentage of oxygen at said surface is increased by 1.0 atomic-% to 10 atomic-% compared to the atomic percentage of oxygen at said surface before treatment, (2) providing a subbing layer comprising a water-soluble or water-dispersible polymer having a 2-oxazoline group represented by Formula A on said treated surface of the film support so that the subbing layer is directly adjoined to said surface, and (3) providing an information recording layer on said subbing layer, ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are each independently a hydrogen atom, a halogen atom, an alkyl group, an aralkyl group, a phenyl group.

Abstract: The present invention is a silver halide photographic material including at least one layer which contains; a polymer comprising as constituent components thereof a repeating unit having a photographically useful group and at least one repeating unit having an imidazole group; and a compound having at least one functional group which reacts with an imidazole group and at least one other functional group capable of reacting with an imidazole group and a primary amine group, the amount of the compound being sufficient to insure adequate fixation of said polymer.

Abstract: A silver halide color photographic light-sensitive material comprising a support having on one surface thereof at least one light-sensitive silver halide emulsion layer and at least one light-insensitive layer, wherein the silver halide color photographic light-sensitive material contains at least one compound selected from the compounds represented by formulae (A-I), (A-II) and (A-III) and a coupler represented by formula (m).

Abstract: An improved method for increaseing the hardening in a photographic element is described. The hardener is an imidazolium compound of formula: ##STR1## and the imidazolium is used in conjunction with a hardening accelerator defined by: ##STR2## the substituents are listed in the specification.

Abstract: A silver halide color photographic material is described, which comprises a support having thereon at least one blue-sensitive silver halide emulsion layer, at least one green-sensitive silver halide emulsion layer, at least one red-sensitive silver halide emulsion layer and at least one light-insensitive layer, wherein one or more of the above layers contains at least one compound represented by formula (A-I), (A-II), (A-III), (A-IV) or (A-V) and one or more of the above layers contains at least one compound represented by formula (H): ##STR1##

Abstract: A method for hardening gelatin comprises the step of mixing gelatin with a compound represented by the following formula (I), (II) or (III): ##STR1## wherein R.sub.1 and R.sub.2 independently represent a hydrogen atom, an alkyl group, an aryl group or a heterocyclic group or R.sub.1 and R.sub.2 combine with each other to form a nitrogen-containing heterocyclic ring; J represents an organic group; 1 represents an integer of 2 to 5; and m represents an integer of 1 to 5.

Abstract: The present invention relates to a silver halide photographic material comprising a support and at least one silver halide emulsion layer coated thereon, wherein said silver halide photographic material comprises tabular silver halide grains having an average aspect ratio higher than 3:1 dispersed in highly deionized gelatin, and a pyridinium carbamoyl hardener having the following formula: ##STR1## wherein R.sub.1 and R.sub.2 each independently represents an alkyl group having from 1 to carbon atoms, an aryl group having from 6 to 15 carbon atoms, an aralkyl group having from 7 to 15 carbon atoms, or R.sub.1 and R.sub.2 together form the atoms required to complete a heterocyclic ring, R.sub.3 represents a hydrogen atom, a halogen atom, an alkyl group having from 1 to 10 carbon atoms, an alkoxy group having from 1 to 10 carbon atoms, a carbamoyl group, a ureido group, and R.sub.4 represents an alkylene group having from 1 to 4 carbon atoms or a single chemical bond.

Abstract: An improved method of hardening a hydrophilic colloid is detailed. The hardening results in a stronger matrix and less water pickup. These and other advantages are obtained by hardening with a combination of at least one hardener chosen from Formula I either alone or in combination with at least one hardener chosen from Formula II: ##STR1## The substituents are defined.

Abstract: A silver halide color photographic material comprising a support having thereon at least one blue-sensitive silver halide emulsion layer, at least one green-sensitive silver halide emulsion layer and at least one red-sensitive silver halide emulsion layer, in which the silver halide color photographic material comprises at least one compound selected from the group consisting of the compounds represented by one of formulas (A-I) to (A-V); and 60% or more of the total projected area of silver halide grains contained in at least one of the light-sensitive silver halide emulsion layers is occupied by tabular grains having an aspect ratio of 2 or more, and the tabular grains have a dislocation line number of 10 or more per one grain.

Abstract: Methods and compositions are provided for hardening with fast-acting hardeners the colloidal carrier materials, such as gelatin, in the layers of photographic materials, such as photographic film. The methods of the invention comprise coating, with a conventional coating technique, among the layers of a photographic material a layer of a composition of the invention. The compositions of the invention are aqueous solutions which comprise a fast-acting hardener and a polymeric thickener, have concentrations of thickener less than about 50 mg/cm.sup.3 and, at 40.degree. C. and shear rates between about 1000 sec.sup.-1 and 10,000 sec.sup.-1, have viscosities from about 5 cp to about 20 cp and power law indices greater than about 0.90.

Abstract: Light-sensitive silver halide photographic element comprising a support bearing at least a light-sensitive silver halide emulsion layer and at least a protective layer being further away from the support than every silver halide emulsion layer, said protective layer containing a gelatin having a viscosity lower than 20 milliPascal per seconds in 10 weight % aqueous solution at 40.degree. C., said gelatin being hardened with a carbamoyl pyridinium salt compound having the following formula: ##STR1## wherein R.sub.1 and R.sub.2, which may be the same or different, each represents an alkyl group, an aryl group or an aralkyl group, or R.sub.1 and R.sub.2, together, constitute the atoms required to form a heterocyclic ring with the nitrogen atom to which they are bonded,R.sub.3 represents hydrogen atom, a halogen atom, an alkyl group, an alkoxy group, a carbamoyl group, or a ureido group, andR.sub.4 represents an alkylene group or a single chemical bond between the pyridinium nucleus and the --SO.sub.3 -- group.

Abstract: An improved hardener and a photographic element comprising same defined by ##STR1## wherein: the substituent groups are as defined in the specification.

Abstract: Light-sensitive silver halide photographic elements comprising a support bearing at least one gelatin-containing silver halide emulsion layer, wherein the silver halide emulsion is chemically sensitized with sulfur and gold in the presence of a sulfinic acid compound and the gelatin is hardened with a carbamoylpyridinium salt compound.

Abstract: A modified gelatin is disclosed wherein part of the free carboxyl groups is replaced by modifiers having more acid end-standing groups chosen from --SO.sub.3 M, --OSO.sub.3 M, --SSO.sub.3 M, --OPO(OH).sub.2, --OPO(OH)(OR.sup.2), --PO(OH).sub.2, --PO(OH)(OR.sup.2).In a preferred embodiment such a modified gelatin is incorporated in a DTR photographic material which after processing can serve as a lithographic printing plate. Thanks to the more hydrophilic character of the modified gelatin the differentiation between printing and non-printing areas is improved and toning at printing start-up is reduced.

Abstract: Gelatin hardeners, suitable for use in hardening gelatin-containing photographic layers, of the formula: ##STR1## wherein: X is a member selected from the group consisting of O and S or is absent,each Y independently is a member selected from the group consisting of O, S and a bond,each R.sup.1 independently represents an aliphatic group of up to 10 carbon atoms or the two R.sup.1 groups together represent the necessary atoms to complete a 5, 6 or 7-membered ring,--NR.sup.2 R.sup.3 contains not more than 12 skeletal atoms andR.sup.2 and R.sup.3 are independently members of the group consisting of hydrogen, cyclic groups and acyclic groups or R.sup.2 and R.sup.3 together represent the necessary atoms to complete a heterocyclic ring.

Abstract: An improved imidazolium hardener is described. These novel hardners are specifically advantageous for hardening, or crosslinking, a hydrophilic colloid in a photographic element. The advance in the art is realized in A hardening agent chosen from the set consisting of: ##STR1## wherein: Y.sup.1 represents an alkyl of 6-24 carbons, aryl of 6-24 carbons, aralkyl of 7 to 25 carbons, the atoms chosen from C, N, O, and S necessary to form a 5- or 6-membered ring, or --L.sup.1 CR.sup.13 CH.sub.2 ;L.sup.1 is a linking group;R.sup.1 is hydrogen, alkyl of 1 to 24 carbons, aryl of 6 to 24 carbons, aralkyl of 7 to 25 carbons or halogen;R.sup.2 and R.sup.3 independently represent alkyl of 1-24 carbons, aryl of 6-24 carbons, aralkyl of 7 to 25 carbons or R.sup.2 and R.sup.3 independently may represent, or be taken together to represent the atoms chosen from C, N, O and S necessary to form a 5- or 6-membered ring;R.sup.4 and R.sup.

Abstract: A photographic silver halide material which has at least one light-sensitive layer and contains in at least one layer a compound corresponding to formula (I) in a quantity of at least 10 mg/m.sup.2 : ##STR1## wherein k stands for 50 to 99% by weight,l stands for 0 to 49% by weight,m stands for 1 to 40% by weight,j stands for 0 to 49% by weight,M denotes a comonomer incorporated by polymerisation,M.sub.1 denotes ##STR2## M.sub.2 denotes ##STR3## R.sub.1 and R.sub.2 denote hydrogen or alkyl, R.sub.3 denotes an acidic group, andB denotes a chemical bond or a bridging member and which is hardened with a rapid or an instant hardener,is distinguished by improved wet scratch resistance and stability in storage.

Abstract: An improved imidazolium hardener is described. These novel hardeners are specifically advantageous for hardening, or crosslinking, a hydrophilic colloid in a photographic element.

Abstract: A silver halide photographic light-sensitive material is disclosed. The light-sensitive material comprises a support having thereon a photographic layer including a silver halide emulsion layer wherein the outermost surface of said photographic layer has a pH value of from 5.4 to 5.9 and said silver emulsion layer contains a compound represented by the following formula I; ##STR1## wherein R.sub.1 is an alkyl group, a cycloalkyl group or an aryl group; R.sub.2 is an alkyl group, a cycloalkyl group, an acyl group or an aryl group; R.sub.3 is a substituent, n is 0 or 1; X.sub.1 is a substituent capable of splitting off upon coupling reaction with the oxidation product of a color developing agent; and Y.sub.1 is an organic group. The light-sensitive material is excellent in stability during storage and gives stable photographic characteristics even when pH value of developer is varied.

Abstract: A photographic element is described which has improved image color due to inclusion of titanium complexes of the formula: ##STR1## wherein the substituents have specific definitions.

Abstract: A method for hardening gelatin which comprises using as a hardening agent a compound represented by formula (I): ##STR1## wherein R.sub.1, when taken along, may be alkyl of 1 to 20 carbon atoms, aralkyl of from 7 to 20 carbon atoms, aryl of from 6 to 20 carbon atoms, and alkenyl of from 2 to 20 carbon atoms. R.sub.1 and R.sub.2 can also combine with each other to form a heterocyclic ring of 5 to 8 atoms. The R.sub.1 -R.sub.2 ring contains the nitrogen atoms to which R.sub.1 and R.sub.2 are attached, and may also contain an additional nitrogen atom. R.sub.2 and R.sub.3 can combine to form either a 5 or 6 membered ring. The R.sub.2 -R.sub.3 ring contains the nitrogen atom to which R.sub.2 is attached, and may also contain one or two additional nitrogen atoms. R.sub.4 may be hydrogen or alkyl of 1 to 4 carbon atoms. R.sub.

Abstract: A photographic material comprising a light sensitive silver halide emulsion layer and an antistatic layer is disclosed., wherein at least one of the hydrophilic colloidal layers is hardened by a hardener represented by a formula of ##STR1## wherein R.sub.1 and R.sub.2 represent each an alkyl group having 1 to 3 carbon atoms, an aryl group or an aralkyl group, provided, they may be the same with or the different from each other and they may so associate together as to represent `an atom group necessary to form a piperidine ring or a morpholine ring` in which the piperidine ring or the morpholine ring may each be substituted with an alkyl group or a halogen atom; R.sub.3 represents a hydrogen atom, a methyl group or an ethyl group; R.sub.4 represents a methylene group, a propylene group or a simple chemical bond; Me.sup.+ represents an alkali-metal cation; and X.sup.- represents an anion. The photographic material has preferable antistatic property and is suitable for the use of lithographic film.

Abstract: A silver halide photographic material comprising at least one silver halide emulsion layer on a support, characterized in that there is contained a compound represented by the general formula ##STR1## wherein R.sup.1 and R.sup.2 each represents a hydrogen atom, aliphatic group, aromatic group or heterocyclic group, with the proviso that R.sup.1 and R.sup.2 may be connected to each other to form a ring; L represents a divalent linking group; V represents a carbonyl group, ##STR2## group, sulfonyl group, sulfoxy group, ##STR3## group (in which R.sub.0 represents an alkoxy group or aryloxy group), iminomethylene group or thiocarbonyl group; Time represents a divalent linking group; m represents an integer 0 or 1; n represents an integer 0 or 1; PUG represents a photographically useful group; and X represents an atomic group required to form a 5- or 6-membered ring with ##STR4## wherein R.sup.1, R.sup.

Abstract: A photosensitive silver halide photographic material having a support and provided thereon, photographic component layers including at least one silver halide emulsion layer is disclosed. At least one silver halide emulsion layer comprises silver halide grains having silver chloride content of not less than 90 mol %; at least one of the photographic component layers comprises a specific dye excellent in decolorization and capable of improving sharpness; at least one silver halide emulsion layer comprises a mercapto compound for improving aging stability of silver halide emulsions; a photographic component layer is hardened with cyanuric chloride series hardeners for improving fog.

Abstract: Process for hardening proteinaceous materials by means of a quick acting hardener corresponding to the following formula ##STR1## wherein: Z.sub.1 and Z.sub.2 each independently represent substituted or unsubstituted alkyl, substituted or unsubstituted cycloalkyl, substituted or unsubstituted aryl, or Z.sub.1 represents substituted or unsubstituted alkylidene or Z.sub.1 and Z.sub.

Abstract: A light-sensitive silver halide photographic material which comprises a support and provided thereon a silver halide emulsion layer containing silver halide grains of which silver chloride content is not less than 90 mol %, and which have been formed in the presence of an iridium compound and a nitrogen containing heterocyclic compound, and under acidic condition is disclosed.

Abstract: A photographic material is disclosed, which comprises a support having provided thereon at least one electrically conductive layer, said conductive layer comprising carbon black having a dibutyl phthalate absorption capability of at least 80 cc/100 g and a hydrophilic binder.

Abstract: Layers containing proteinaceous binders, in particular gelatin layers of the kind used, for example, in photographic recording materials, are hardened by means of an instant hardener by casting a hardening system composed of at least two layers over the layer of binder, the lower of these two layers containing the instant hardener while the upper layer, which may be applied together with or immediately after the lower layer, contains a protein-containing binder but no hardener. The hardened layers have improved surface properties (wet scratch resistance, antifriction properties).

Abstract: Color photographic recording material containing, on a reflective layer support, at least one blue sensitive, at least one green sensitive and at least one red sensitive layer of binder containing silver halide and optionally other light insensitive layers of binder, which binder has been hardened with an instant hardener, said recording material containing either from 100 to 900 mMol of soluble chloride and from 0 to 50 mMol of soluble bromide per mole of Ag or from 0 to 600 mMol of soluble chloride and from 5 to 50 mMol of soluble bromide per mol of Ag is distinguished by an exceptionally slight storage fog.

Abstract: A photographic recording material which has at least one silver halide emulsion layer containing gelatine, at least one protective layer and at least one hardening layer and in which the protective layer is further removed from the layer support than any silver halide emulsion layer and the hardening layer is further removed from the layer support than any other layer and contains an effective quantity of at least one instant hardener will have improved stability in storage under moist, warm conditions if the protective layer contains an effective quantity of at least one azaindene.

Abstract: Disclosed is a gelatino-silver halide photographic material which contains a dye of the following formula (I), described in detail herein and at least one hardener. ##STR1## The dye is decolored by photographic processing and does not exert any adverse influence on the photographic characteristics, especially the spectral sensitizability, of the photographic material. The material exhibits excellent storage stability and has a negligible moisture-dependency in exposure.

Abstract: Disclosed is a direct positive light-sensitive photographic material having at least one silver halide emulsion layer containing inner latent image type silver halide grains not previously fogged, which gives a direct positive image after image exposure by surface development after application of fogging treatment or while applying fogging treatment, wherein the inner latent image type silver halide grains comprise substantially silver chloride, and the silver halide emulsion layer or a hydrophilic colloid layer adjacent thereto contains at least one active halide type or active vinyl type gelatin hardener, and at least one compound represented by the formula (I) or (II) described in the specification. This direct positive light-sensitive silver halide photographic material is particularly excellent in stability with lapse of time.

Abstract: A silver halide photographic light-sensitive material which has an excellent gradation and an excellent pressure resistance. The photographic material comprising a support and, provided thereon, a photographic component layer including a silver halide emulsion layer in which the sewlling degree of said photographic component layer is not higher than 150 and said silver halide emulsion layer is added with elementary sulfur.

Abstract: A silver halide color photographic material is described comprising a support having thereon at least one silver halide emulsion layer, wherein the silver halide color photographic material contains a water-soluble polymer comprising at least one repeating unit represented by formula (I) ##STR1## wherein A represents a vinyl repeating unit having a color coupler moiety which is capable of forming a dye upon coupling with an oxidation product of an aromatic primary amine developing agent;and at least one repeating unit selected from the group consisting of formulae (II-A), (II-B), (II-C), (II-D), (II-E), and (II-F): ##STR2## The water-soluble polymer is a photographic polymeric coupler incorporating a crosslinkable group with gelatin and the silver halide color photographic material containing the water-soluble coupler is excellent in layer strength and image sharpness.

Abstract: Photographic recording materials of which the binder layers consist of protein-like binders which have been hardened in the usual way show reduced susceptibility to the effect of formaldehyde when--in addition to the usual hardeners--low molecular weight monofunctional compounds which are capable of reacting with free primary amino groups of the binder under casting and/or storage conditions without causing additional hardening are allowed to act on the binder.

Abstract: A silver halide photographic material comprises a support having thereon at least one light-sensitive silver halide emulsion layer, at least one layer of said material comprising gelatin crosslinked with a crosslinking agent, said crosslinks being capable of being cleaved on reduction.

Abstract: Color photographic print materials are described in which the surface pH is between about 4.0 and 5.3. The photographic elements have improved keeping properties under adverse conditions of storage.