Abstract: Disclosed is a polyalkylene naphthalate film, preferably the homopolymer of naphthalene-2,6-dicarboxylic acid and ethylene glycol (PEN), comprising a UV absorbing compound of the 2-hydroxyphenyl-triazine type for quenching of the UV fluorescence at 429 nm. The polymeric film is preferably used as support for a photographic material, preferably a color negative or color reversal photographic material.

Abstract: A radiation-sensitive high bromide {111 } tabular grain emulsion is disclosed containing a dispersing medium including a peptizer adsorbed to the tabular grains. The peptizer is a polymeric hydrophilic colloid containing repeating units derived from a diallylammonium monomer.

Abstract: A method for forming images on a silver halide light-sensitive material includes exposing a material which contains at least one light-sensitive silver halide emulsion layer and at least one hydrophilic colloidal layer, either of which includes a latex polymer having active methylene groups, and developing the exposed material with a developer which contains a dihydroxybenzene developing agent and an auxiliary developing agent showing superadditivity, wherein the following requirements are satisfied: the pH increase observed when adding 0.1 mole/l developer of NaOH to the developer.ltoreq.0.25; 9.5.ltoreq.initial pH of the developer.ltoreq.11.0; and the amount of the developer supplemented.ltoreq.225 ml/m.sup.2.

Abstract: There is disclosed a particulate photographic polymer, which at least comprises a repeating unit of the formula (I): ##STR1## wherein R is an alkyl group, a phenyl group, or a hydrogen atom; L is a divalent organic binding group; A is a repeating unit derived from at least one ethylenically unsaturated monomer, or a repeating unit derived by ring opening polymerization of a nitrogen-containing heterocyclic compound, with --(A).sub.m -- being soluble in water or a hydrophilic organic liquid; m is from 2 to 200; and Y is a monovalent binding group. The polymer is excellent in dispersion stability in coating solutions, prevents settling and agglomeratingis and the formation of mat pinholes, and can improve granularity of images.

Abstract: The present invention describes an imaging element wherein one layer is coated from an aqueous coating solution having a film forming binder. The film forming binder includes a carboxylic acid containing vinyl polymer or copolymer having a glass transition temperature greater than 60.degree. C. and an acid number of from 60 to 260. The carboxylic acid groups of the vinyl polymer or copolymer are reacted with ammonia or amine to provide a pH of the coating composition of from about 7 to 10.

Abstract: A silver halide photographic light-sensitive material has at least one silver halide emulsion layer on a support, and contains an imidazole compound. The silver halide emulsion layer contains substantially perfect cubic grains.

Abstract: Disclosed is a process which comprises reacting a haloalkylated aromatic polymer with a material selected from the group consisting of unsaturated ester salts, alkoxide salts, alkylcarboxylate salts, and mixtures thereof, thereby forming a curable polymer having functional groups corresponding to the selected salt. Another embodiment of the present invention is directed to a process for preparing an ink jet printhead with the curable polymer thus prepared.

Abstract: A dual-coated radiographic element is disclosed containing high bromide tabular grain emulsion layers exhibiting increased covering power and colder image tones. A covering power enhancing compound containing at least one divalent sulfur atom adsorbed to grain surfaces and a gelatino-vehicle are present in the emulsion layers. The emulsion layers additionally include a water soluble polymer chosen from the class consisting of polyacrylamide and dextran.

Abstract: A photographic element having a support, a light-sensitive layer and a protective overcoat layer, at least one layer comprising a hydrophilic colloid containing colloidal core-shell latex particles, the core being a hydrophobic polymer and the shell comprising greater than 10 and less than 90 mole percent of an ethylenically unsaturated monomer having a carboxylic acid group.

Abstract: A silver halide color photographic light-sensitive material is disclosed, comprising a support having thereon at least one photographic constituent layer, wherein any one of the photographic constituent layer contains at least one reducing agent for color formation represented by formula (I), at least one dye forming coupler and at least one water-insoluble polymer.

Abstract: A silver halide color photographic material is disclosed, which comprises a support having thereon a red-sensitive silver halide emulsion layer, a green-sensitive silver halide emulsion layer, and a blue-sensitive silver halide emulsion layer, wherein at least one emulsion layer contains a monodisperse tabular silver halide emulsion having an aspect ratio of 3 or more and less than 100 and relative standard deviation of grain sizes of 20% or less, and at least one layer contains at least one of the anionic water-soluble polymer represented by formula (1), the dispersion of alkali-soluble polymer represented by formula (2), or the dispersion of polymer represented by formula (3): ##STR1## wherein the substituents are as defined herein the specification.

Abstract: There is disclosed a silver halide photographic light-sensitive material that comprises, in at least one photographic layer constituting the material, a dispersion containing fine grains of a solid dye represented by the following general formula (II), wherein the solid dye has been subjected to heat treatment at 40.degree. C. or higher, and wherein the dispersion further contains a specific water-soluble or water-dispersible polymer-compound that has a hydrophobic group bonding at a terminal of a copolymer of vinyl alcohol and vinyl ester: ##STR1## wherein D represents a residue of a compound having a chromophoric group; X represents a dissociating hydrogen atom, or a group having a dissociating hydrogen atom, which atom or group connects to the D directly or via a divalent connecting group; and y is an integer of 1 to 7. The photographic light-sensitive material prevents any change of viscosity with the lapse of time due to the dye in a state of dispersion solution containing fine grains of the dye.

Abstract: A radiographic element including an image recording silver halide emulsion layer coated on a transparent film support and a blue anthraquinone dye. Transmission of red light through the exposed and processed radiographic element is reduced by coating on the support at least one ionic linear condensation polymer containing a cyan phthalocyanine dye.

Abstract: The invention describes silver halide packet emulsion grains or crystals that are conventionally precipitated using gelatin of a given isoelectric pH, surrounded by a layer of gelatin-grafted-polymer particles wherein the grafted gelatin has a different isoelectric pH and the said gelatin-grafted-polymer particles are optionally chemically bonded to the gelatin surrounding the silver halide microcrystals. Such packet emulsions can form the basis for a mixed-packet color photographic system.

Abstract: A color photographic material which contains in at least one layer a stabilizer of the formula (I) ##STR1## in which R.sub.1 means H, alkyl, aryl or acyl;R.sub.2 means --OR.sub.1, --COOH, alkyl, aryl, dialkylamino, acylamino, sulphonamido, acyl or sulphonyl;R.sub.3, R.sub.4, R.sub.5 and R.sub.6 independently of one another mean H, halogen or a residue as R.sub.2 or two adjacent residues --OR.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5 and R.sub.6 may together complete a 5- to 8-membered ring, and a polymer insoluble in water as pH 5 and soluble at pH 11 with an acid value of 30 to 300 and a Tg of.ltoreq.40.degree. C. of the formula (II) ##STR2## in which R.sub.7 mutually independently mean hydrogen, C.sub.1 -C.sub.4 alkyl or CH.sub.2 --COOH,R.sub.8 means alkyl, aryl or aralkyla means 80 to 95 mol. % andb means 5 to 20 mol. %, is distinguished by improved stability of the image dyes.

Abstract: A photographic material having at least one photosensitive silver halide emulsion layer and at least one non-photosensitive layer on a support, which material contains at least one compound of the formula (I) in at least one of the layers, ##STR1## in which R.sub.1 to R.sub.5, L, m and n have the meaning stated in the specification and PUG means a photographically active group, may be produced in thinner layers.

Abstract: The present invention is an imaging element which includes a support and at least one layer formed from, (A) film forming binder, and (B) non-film forming polymeric particles. The film forming binder is formed from a coating solution of carboxylic acid containing vinyl polymer or copolymer having a glass transition temperature of greater than 50.degree. C. and an acid number of 60 to 260, the carboxylic acid containing vinyl polymer or copolymer is reacted with ammonia or amine so that the coating solution has a pH of from 7 to 10.

Abstract: The present invention describes an imaging element having a support, an image forming layer and at least one layer formed from an aqueous coating composition containing a film forming binder. The film forming binder is an interpolymer containing carboxylic acid groups. The interpolymer contains from 60 to 90 weight percent vinylidene chloride. The interpolymer has an acid number of from 30 to 150 and the carboxylic acid groups are reacted with ammonia or amine so that the aqueous coating composition has a pH of from 7 to 10.

Abstract: A radiographic element is disclosed having a transparent film support and hydrophilic colloid layers including at least one silver halide emulsion layer coated on the support. Upon viewing following imagewise exposure and processing, the radiographic element exhibits a transparent blue appearance in areas of minimum density, at least a portion of the blue appearance being attributable to the presence in one or more of the hydrophilic colloid layers of at least one ionic linear condensation polymer containing an anthraquinone dye chromophore.

Abstract: The invention provides a multilayer silver halide color negative photographic element comprising in the same layer a cyan dye of formula (I) and a ballasted stabilizer compound of formula (II), where the respective formulas are: ##STR1## andB--L--A--R (II)wherein:the substiuents are as defined herein the specification.

Abstract: A silver halide photographic light-sensitive material is disclosed, comprising a polyester support having on one side thereof a silver halide emulsion layer, and on the other side of the support, a layer containing a polyester resin or polyurethane resin and further thereon a magnetic recording layer.

Abstract: The present invention relates to a process for preparing monodispersed tabular silver halide grain emulsions, said process comprising the following steps:(a) forming a population of silver halide nuclei in a dispersing medium having a pH lower than 3 and a pBr in the range of from 1 to 2,(b) ripening said population of silver halide nuclei in presence of a silver halide solvent,(c) performing a first growing of said silver halide nuclei at a pBr value in the range of from 1 to 2, and(d) performing a second growing of said silver halide nuclei at a value in the range of from 2 to 2.7.According to a preferred embodiment of the present invention a polyalkylene oxide-polyalkylsiloxane copolymer is present during at least one of the above mentioned steps (a) to (d). The process of the present invention enable the growth of monodispersed tabular silver halide grain emulsions having a reduced amount of non-conforming grains and a lower coefficient of variation (COV).

Abstract: A coated film having a polymeric film substrate with a subbing layer containing an organic acid and a polymer which has a repeating unit(s) containing a pendant nitrogen atom(s). The ratio of organic acid to polymer in the subbing layer is in the range from 1:0.1 to 20 by weight. The coated film exhibits excellent adhesion to photographic emulsion layers, even when applied prior to completion of any film stretching operation.

Abstract: The silver halide photosensitive material of the invention comprises a support, at least one photosensitive silver halide emulsion layer provided on the support and a protective layer provided on the photosensitive silver halide emulsion layer. The protective layer contains agglomerate particles each of which is formed from plural primary particles having a particle diameter smaller than the thickness of the protective layer. For example, agglomerate particles having a mean particle diameter of 0.2 to 30 .mu.m composed of primary particles having a mean particle diameter of 0.01 to 10 .mu.m are contained in the protective layer having a thickness of 0.1 to 10 .mu.m. By the use of such agglomerate particles as matting agent particles, pin-holes caused by sinking of the matting agent can be inhibited and the Bekk second can be made not longer than 2,000 seconds. Moreover, this matting agent has good affinity for gelatin and is almost free from powder-dropping.

Abstract: Disclosed is a lithographic printing plate having a silver halide emulsion layer and a layer containing physical development nuclei on a support, the improvement wherein a water-soluble polymer having a structural unit represented by the formula (I): ##STR1## wherein R.sup.1 represents H or alkyl; Q represents divalent linking group; R.sup.2 represents divalent linking group or direct bond; and A represents a functional group represented by the formula: --S--C(.dbd.N--R.sup.4)--NH--R.sup.3, --Z--X(.dbd.Y)--(R.sup.5).sub.m or --W--(SH).sub.n where respective substituents are defined in the specification is contained in the layer containing physical development nuclei.

Abstract: This invention describes the composition and method of preparation of heteroflocculated packet emulsion clusters containing a light sensitive and selectively photosensitized silver halide emulsion particles and particles of photographic agents such as dye-forming coupler particles. The silver halide emulsion particles are associated with a layer of adsorbed peptizing gelatin with an isoelectric pH of P.sub.1 and the grafted gelatin of the gelatin-grafted-polymer particles comprising the photographic agent has an isoelectric pH of P.sub.2 such that P.sub.1 is different than P.sub.2. At least one of the peptizing and grafted gelatins is an isoing gelatin which is sufficiently derivatized to remove ionic groups thereof such that approaching the isoelectric pH in an aqueous solution of the isoing gelatin causes massive heteroflocculation.

Abstract: The present invention provides a silver halide photographic photosensitive material which comprises a support and at least one silver halide photographic emulsion layer, a hydrazine compound being contained in at least one of the emulsion layer and other hydrophilic colloid layer, characterized in that at least one of the emulsion layer and other hydrophilic colloid layer contains a water-soluble polymer having an amino group exclusive of a primary amino group as a promoter for enhancement of contrast. By using the said silver halide photographic photosensitive material, images of high contrast can be formed using a developer of low pH value without causing change in photographic performances even when the pH value changes.

Abstract: A silver halide photographic material is disclosed, which comprises a support having thereon at least one light-sensitive silver halide emulsion layer comprising silver halide grains sensitized with a selenium or tellurium sensitizer and having a silver chloride content of 50 mol % or more, wherein the silver halide emulsion layer or other hydrophilic colloid layer contains polymer latex having an active methylene group. The silver halide photographic material provides high storage stability and less pressure marks.

Abstract: A photographic element comprising a light sensitive portion and an ultraviolet absorbing polymer comprising repeating units of a 2'-hydroxphenyl benzotriazole with a 5- or 6-substituent selected from halogen, cyano, carboxy or a sulfonyl, and a 4'-alkoxy group in which the alkylene portion of the alkoxy is linked, in sequence through a first optional bivalent linking group, then an oxygen, sulfur or amino group, then a second optional bivalent linking group, to the polymer chain, provided that the 3'-position is unsubsituted and the 4'-substituent does not have any --NH--, --OH or --SH substituents.

Abstract: The invention concerns a color negative process wherein a photographic material comprising silver chloride or silver bromide and a DIR or DIAR coupler is processed in the presence of a polyester comprising intralinear thioether atoms.

Abstract: The invention relates to the use of a fluoropolymer and a fluorochemical surface active agent in combination for improving the antistatic behaviour of surfaces. In one embodiment, the invention provides a light-sensitive material possessing good initial antistatic properties and retaining good properties even after aqueous processing.

Abstract: A hydrophobic synthetic resin is used to partially or completely replace the hydrophilic colloid conventionally used in silver halide emulsions to obtain a radiation sensitive composition useful in the manufacture of radiation sensitive plates for use in printing plate production by image-wise exposure, tanning development, and washing. The synthetic resin includes a plurality of primary amino groups and optionally acidic groups and is soluble in aqueous or semi-aqueous alkaline solution.

Abstract: There are disclosed a hexagonal silver halide tabular emulsion having an excellent monodispersibility and a silver halide photographic material which contains the above tabular silver halide emulsion and excels in a graininess, a sensitivity and a preservability. The above silver halide photographic emulsion is prepared in the presence of at least one of the polymers having a recurring unit represented by the Formula (1) and at least one of the polymers having a recurring unit represented by Formula (2):--(R--O).sub.n -- (1)--(CH.sub.2 CH.sub.2 O).sub.m -- (2)wherein R represents an alkylene group having 3 to 10 carbon atoms; and n and m each represents an average number of the recurring unit, respectively and each represents 4 to 200.

Abstract: Disclosed is a silver halide photographic material comprising a support having thereon at least one light-sensitive silver halide emulsion layer, wherein the silver halide emulsion is produced in the presence of a polyalkylene oxide group-containing organopolysiloxane. The emulsion being produced in the presence of the defoaming agent is prevented from being foamed in a stirrer rotating at an elevated rotation speed. The stirring performance of the stirrer is enlarged, and the conditions for forming the silver halide grains can be controlled more uniformly. The photographic properties of the emulsion are improved and it is easy to scale up the production of the emulsion.

Abstract: A photographic material is disclosed containing on at least one side of the support at least one light-sensitive silver halide emulsion layer characterised in that the light-sensitive layer and/or at least one non-light sensitive layer in water-permeable relationship with the light-sensitive layer comprises at least one compound having the general formula (I)R[O--CH.sub.2 --CH.sub.2 --S--(LINK.sup.1 --S).sub.x --CH.sub.2 --CH.sub.2 --O--(LINK.sup.2)].sub.y --OR (I)wherein each of LINK.sup.1 and LINK.sup.2 which may be the same or different represents a divalent linking group; R represents H, a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group or an acyl group; x is 0, 1 or 2, and y varies from 2 to 20.

Abstract: A photographic material is provided comprising a support, a subbing layer, at least one hydrophilic gelatinous silver halide emulsion layer, optionally one or more other hydrophilic gelatinous layer(s) and a core-shell latex polymer, comprising a core (co)polymer and a shell (co)polymer characterized in that(i) said core-shell latex is present in at least one of said hydrophilic gelatinous layers,(ii) said shell (co)polymer comprises moieties A derived from at least one ethylenically unsaturated monomer having a reactive methylene group and(iii) said moieties A present in said shell (co)polymer make up between 1 and 30% by weight of all moieties present in both said core and said shell (co)polymer and(iv) said moieties A present in said shell (co)polymer make up between 2 and 50% of all moieties present in said shell (co)polymer.The material shows both high dimensional stability and high scratch resistance.

Abstract: A silver halide photographic element with enhanced sensitivity and improved pressure resistance is disclosed, comprising a support having, on at least one side thereof, hydrophilic colloidal layers including a light-sensitive silver halide emulsion layer and a nonlight-sensitive hydrophilic colloidal layer, wherein the nonlight-sensitive layer contains organic material-aggregation particles; and gelatin contained in the total hydrophilic colloidal layers provided on one side of the support amounts to a range of 1.3 to 2.5 g per m.sup.2.

Abstract: A silver halide photographic material comprises a silver halide emulsion layer and an anticurl backing layer provided on a support. A surface backing layer is further provided on the anticurl backing layer. The surface backing layer comprises a hydrophobic polymer. The hydrophobic polymer has a repeating unit represented by the formula (I): ##STR1## in which R.sup.1 is hydrogen or an alkyl group; X is --COO--, --CONR.sup.3 -- or phenylene; R.sup.3 is hydrogen or an alkyl group; R.sup.2 is a single bond or an alkylene group; L is a single bond or a divalent linking group, --OCO--, --NHCOO--, --OCOCH.sub.2 --, --NHCONH--, --NHCO--, --NH-- or --O--; and Cy is an alicyclic group consisting of a monocyclic ring and having three to sixteen carbon atoms.

Abstract: A silver halide light-sensitive material is disclosed. The light-sensitive material comprises a support and two or more layers. Silver halide, a reducing agent, an ethylenically unsaturated polymerizable compound or a cross-linkable polymer and a base precursor are independently contained in at least one of the layers. A layer containing the base precursor further contains a specific polyvinyl alcohol. The first embodiment of the specific polyvinyl alcohol (I) has such a chemical structure that a terminal alkyl group having 4 or more carbon atoms is attached to a polyvinyl alcohol. The second embodiment of the specific polyvinyl alcohol (II) is a block copolymer consisting of a vinyl alcohol unit and a hydrophobic unit, which is more hydrophobic than the vinyl alcohol unit. The third embodiment is a mixture of two polyvinyl alcohols (III) and (IV). The polyvinyl alcohol (III) has a saponification degree of not less than 95%.

Abstract: The invention relates to a radiation sensitive emulsion comprised of a dispersing medium and silver iodochloride grainswherein the silver iodochloride grainsare partially bounded by {100} crystal faces satisfying the relative orientation and spacing of cubic grains andcontain from 0.05 to 1 mole percent iodide, based on total silver, with maximum iodide concentrations located nearer the surface of the grains than their centerand wherein said emulsion further comprises a polyethylene oxide represented by Formula IR--(OCH.sub.2 CH.sub.2).sub.n OH (I)whereinR is H, alkyl or substituted alkyl with the number of carbon atoms ranging from 1 to 25, and n may vary from 1 to 40.

Abstract: A silver halide photographic material and a method for processing the same are disclosed. The silver halide photographic material has a support and a silver halide emulsion layer. The emulsion layer contains polymer latex bonded with gelatin and not less than 70 wt. % of the polymer latex is present. Dimensional stability is improved by the combination of a high portion of polymer latex with the gelatin.

Abstract: The invention describes silver halide packet emulsion grains or crystals that are conventionally precipitated using gelatin of a given isoelectric pH, surrounded by a layer of gelatin-grafted-polymer particles wherein the grafted gelatin has a different isoelectric pH and the said gelatin-grafted-polymer particles are optionally chemically bonded to the gelatin surrounding the silver halide microcrystals. Such packet emulsions can form the basis for a mixed-packet color photographic system.

Abstract: Improved photographic properties are obtained if the photographic silver halide material contains a copolymer with polypeptide segments, wherein the polypeptide segments are derived from polypeptides with an average molecular weight M.sub.w of 2000 to 40000.

Abstract: This invention describes the use of gelatin-grafted-polymer particles as peptizers for the preparation of silver halide photographic emulsions, whereby the gelatin-grafted-polymer particles remain attached to the AgX crystals after preparation of the emulsions. In an embodiment of this invention, the core polymer particles are loaded with photographically useful agents. When the photographic agent is a dye-forming coupler, multicolor mixed-packet systems can be constructed using the packet emulsions prepared in the manner of this invention.

Abstract: A silver halide photographic material comprising a support having thereon at least one silver halide emulsion layer, where at least one silver halide emulsion layer contains a silver halide emulsion obtained by treating a silver halide emulsion containing a dye previously added thereto with a solid adsorbent which is a porous organic synthetic resin without any ion exchange group to thereby desorb the dye adsorbed.

Abstract: A silver halide photographic light-sensitive material has at least one silver halide emulsion layer. 50% or more of a total projected area of silver halide grains of at least one silver halide emulsion in the silver halide emulsion layer are accounted for by tabular grains each having an average aspect ratio of 2 or more and containing dislocations.

Abstract: A method is disclosed of preparing washed silver halide photographic emulsions wherein silver halide grain formation is effected in the presence of an acid-coagulable gelatin derivative or a mixture of gelatin and an acid-coagulable gelatin derivative and coagulation of the emulsion occurs in the presence of ionic copolymers of styrene sulfonic acid and maleic acid.

Abstract: Disclosed is a silver halide photographic photosensitive material comprising a support and, provided thereon, at least one hydrophilic colloid layer including a photosensitive layer wherein the photosensitive layer comprises monodispersed silver halide grains having an average grain size of 0.2 micron or less and comprising at least 90 mol % of silver chloride, the photosensitive layer or a hydrophilic colloid layer provided on the same side of the support as the side on which the photosensitive layer is provided contains a hydrazine derivative, a hydrophilic colloid layer provided above the photosensitive layer contains a water-dispersible fine particle polymer, the photosensitive layer contains substantially no water-dispersible fine particle polymer, and amount of the water-dispersible fine particle polymer contained in the hydrophilic colloid layer is 1 g/m.sup.2 or less and is 5% by weight or more based on the weight of gelatin contained in the hydrophilic colloid layer.

Abstract: A silver halide photographic material comprising a support and a silver halide emulsion layer provided thereon. The silver halide emulsion is prepared by nuclear formation, crystal growth and chemical sensitization. All or a part of the nuclear formation or the crystal growth is conducted in the presence of a hexa-coordinated cyano-complex to introduce the complex into crystal lattice of the silver halide. The density of the hexa-coordinated cyano-complex contained in surface parts of silver halide grains is in the range of 10.sup.-4 to 10.sup.-2 mol per 1 mol of silver. The surface parts of silver halide grains has a thickness of not more than 20.ANG. from the surfaces of the grains. The chemical sensitization is conducted using a gold sensitizer. The silver halide emulsion is prepared using a synthetic polymer as a protective colloid in place of gelatin. In the cases in which gelatin is used, it is present in an amount of not more than 10 g per 1 mol of silver.

Abstract: New types of polymer latices and their use in photographic materials are disclosed. They are obtained by subjecting to radical emulsion polymerisation one or more radical-polymerisable monomers, whose emulsifier-free homopolymers or copolymers possess a glass transition temperature below 65.degree. C., preferably below 30.degree. C., in the presence of a water-soluble polymer of a particular chemical formula.These new types of latices are preferably used in graphic arts contact materials, e.g. daylight materials. They can be used in relative high amounts thus improving dimensional stability without deteriorating the scratch resistance too strongly.A preferred radical-polymerisable monomer mixture comprises n.-butyl acrylate, methyl methacrylate and acrylic acid.