Abstract: A heat-developable photosensitive material comprising at least one light-sensitive layer containing an organic silver salt, light-sensitive silver halide and a reducing agent and at least one light-insensitive layer on a support, wherein the heat-developable photosensitive material comprises a water-soluble metal phthalocyanine compound.

Abstract: A heat-developable photosensitive material comprising a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent and a binder contained in one side of a support, wherein chloride ion concentration in the entire layer positioned on the photosensitive silver halide-containing side of the support is 600 ppm or less based on the weight of the organic silver salt, and the heat-developable photosensitive material contains a compound represented by formula (I) defined in the specification.

Abstract: The present invention is directed to a photothermographic element comprising silver halide, a blocked developer, a coupler, and core/shell particles, each such particle comprising a mixture of at least two non-photosensitive organic silver salts, which particle comprises a center portion comprising a non-photosensitive first organic silver salt and at least one shell portion covering the center portion, the shell comprising a non-photosensitive second organic silver salt. The organic silver salt in the shell has a higher pKsp relative to the organic silver salt in the core. This invention also provides a composition comprising core/shell non-photosensitive organic silver salt particles, and a method of making the particles.

Abstract: This invention relates to a color photothermographic element comprising an imaging layer having associated therewith a compound of Structure I: wherein DEV, LINK, TIME, n, T, t, C*, R12, D, p, X, q, W, and w are defined in the application. Such compounds have good reactivity as developing agents when thermally activated under preselected conditions. The invention is also directed to a method of developing a color photothermographic element, including dry development systems.

Abstract: This invention comprises an imaging element comprising an imaging layer having associated therewith a compound of Structure I: In the above Structure I, the substituents are as defined in the application. Such compounds have good reactivity and can by used to block photographically useful compounds such as developing agents until thermally activated under preselected conditions. Compounds according to the present invention are especially useful in color photothermographic imaging elements.

Abstract: This invention comprises an imaging element comprising an imaging layer having associated therewith a compound of Structure I: wherein PUG is a photographically useful group; LINK 1 and LINK 2 are linking groups; TIME is a timing group; T represents t independently selected substituted or unsubstituted alkyl or aryl groups, t is 0, 1, or 2 and if t is 2, the T groups can form a ring; HET is a heterocyclic group which optionally can form a ring with a T group; R12 is hydrogen, substituted or unsubstituted alkyl or substituted or unsubstituted aryl, or R12 can form a ring with a T group or with HET; 1 is 0 or 1; m is 0, 1, or 2; and n is 0 or 1.

Abstract: A method of processing an imagewise exposed color photographic film, said film having at least three light-sensitive units which have their individual sensitivities in different wavelength regions, each of the units comprising at least one light sensitive silver halide emulsion and image dye coupler, which method comprises contacting the imagewise exposed color photographic film with an aqueous solution containing a non-blocked developing agent, at a temperature of between 30 to 60° C.; and wherein said film further comprises an incorporated reducing agent, at least one organic silver salt and an amido compound wherein the reducing agent is substantially unreactive in the aqueous color development step described above, but wherein color development of the same imagewise exposed film is capable of being alternatively obtained, without any externally applied developing agent, by heating said film to a temperature above about 80° C.

Abstract: A heat developable light-sensitive material comprises a support, a light-sensitive layer and a non-light-sensitive layer. The light-sensitive layer contains silver halide and a reducing agent. The non-light-sensitive layer contains a cyanine dye represented by the formula (I) or a salt thereof and a base precursor: in which R1 is hydrogen, an aliphatic group, an aromatic group, —NR21R24, —OR21 or —SR21, each of R21 and R24 independently is hydrogen, an aliphatic group or an aromatic group, or R21 and R24 are combined to form a nitrogen-containing heterocyclic ring; R2 is hydrogen, an aliphatic group or an aromatic group; R3 is an aliphatic group; L1 is a methine chain consisting of an odd number of methines; and each of Z1 and Z2 independently is an atomic group forming a five-membered or six-membered nitrogen-containing heterocyclic ring.

Abstract: A non-photosensitive core-shell silver salt can be used in thermographic and photothermographic imaging compositions and materials. This core-shell silver salt includes one or more silver salts in the core, at least one of which is different from the one or more silver salts used in the shell. The molar ratio of the different silver salts in the core and shell is from about 0.01:1 to about 100:1.

Abstract: This invention relates to an imaging element comprising an imaging layer having associated therewith a compound of Structure I: In the above Structure I, the substituents are as defined in the application, wherein B is a six-membered heteroaromatic ring. Such compounds have good reactivity and can by used to block photographically useful compounds such as developing agents until thermally activated under preselected conditions. Compounds according to the present invention are especially useful in color photothermographic imaging elements.

Abstract: This invention relates to a photothermographic element comprising a support, at least one photothermographic image-receiving layer, and at least one antihalation layer or a filter layer, wherein the antihalation or filer layer comprises an aqueous heat-bleachable composition comprising at least one dye and at least one hexaarylbiimidazole in the form of particles dispersed in a matrix comprising a hydrophilic or aqueous dispersible polymer.

Abstract: A thermal development photosensitive material suitable for medical diagnoses, industrial photography, printing and COM. The material contains at least one photosensitive silver halide, a non-photosensitive organic silver salt, a binder, at least one of compounds represented by the following formula (I) and at least one of compounds represented by the following formula (II) on one surface of a substrate.

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: A photothermographica material is disclosed, comprising an organic silver salt and a light sensitive silver halide, wherein the photothermographic material contains a hydrophilic binder of 0.5 to 2 g per mol of the organic silver salt and the organic silver salt having been formed in the presence of the silver halide of 7×1015 to 3×1017 grains per mol of the organic salt.

Abstract: A non-photosensitive core-shell silver salt can be used in thermographic and photothermographic imaging compositions and materials. This core-shell silver salt includes one or more silver salts in the core, at least one of which is different from the one or more silver salts used in the shell. The molar ratio of the different silver salts in the core and shell is from about 0.01:1 to about 100:1.

Abstract: A silver salt photothermographic material is disclosed, comprising at least a light sensitive layer and at least a light insensitive layer, the light sensitive layer comprising organic silver salt grains, a light sensitive emulsion containing light sensitive silver halide grains and medium, a reducing agent and a binder, wherein at least one of the light sensitive layer and the light insensitive layer contains a silver-saving agent and the photothermographic material which has been subjected to thermal development at 123° C. for 13.5 sec. exhibits an average contrast of 2.0 to 6.0 within the density range of 0.25 to 2.0 on a characteristic curve of the photothermographic material.

Abstract: Thermographic and photothermographic materials comprise a barrier layer to provide physical protection and to prevent migration of diffusible imaging components and by-products resulting from high temperature development. The barrier layer comprises a film-forming, water-insoluble aromatic polyester that has a molecular weight of at least 10,000 g/mole and is capable of retarding diffusion of mobile chemicals such as fatty acids, developers and toners. This polymer can also be present in admixture with another film-forming polymer to provide a clear and scratch-resistance surface.

Abstract: A substantially light-insensitive monosheet recording material comprising a support and a thermosensitive element containing a substantially light-insensitive organic silver salt, an organic reducing agent therefor in thermal working relationship therewith and a binder, wherein the thermosensitive element further contains an unsaturated carbocyclic or heterocyclic stabilizer compound substituted with a —SA group where A is hydrogen, a counterion to compensate the negative charge of the thiolate group or a group forming a symmetrical or an asymmetrical disulfide and the recording material is capable of producing prints with a numerical gradation value defined as the quotient of the fraction (2.5-0.1)/(E2.5-E0.1) greater than 2.3 , where E2.5 is the energy in Joule applied in a dot area of 87 &mgr;m×87 &mgr;m of the imaging layer that produces an optical density value of 2.5, and E0.

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: 1

Abstract: This invention relates to an imaging element comprising an imaging layer having associated therewith a compound of Structure I: In the above Structure I, the substituents are as defined in the application. Such compounds have good reactivity and can by used to block photographically useful compounds such as developing agents until thermally activated under preselected conditions. Compounds according to the present invention are especially useful in color photothermographic imaging elements.

Abstract: This invention relates to an imaging element comprising an imaging layer having associated therewith a compound of Structure I: wherein the substituents are as defined in the specification.

Abstract: A photographic chrogenic and substantially dry dye-diffusion-transfer element is disclosed, wherein said element is activated by heat and comprises contacting dye-receiver and dye-donor layers and further comprises a layer which contains a thermal solvent according to formula (I) wherein Z1, Z2, Z3, Z4, and Z5 are substituents, the Hammet sigma paameters of Z2, Z3, and Z4 sum to at least −0.28 and less than 1.53; the calculated logP for I is greater than 3 and less than 10.

Abstract: A recording material comprising a support and a thermosensitive element containing silver stearate, an organic reducing agent therefor in thermal working relationship therewith and a binder, wherein the silver stearate is not associated with mercury and/or lead ions and when the recording material is irradiated with a copper K.alpha..sub.1 X-ray source the ratio of the sum of the peak heights of the X-ray diffraction lines attributable to silver stearate at Bragg angles, 2.THETA., of 2.THETA., of 3.62.degree., 5.45.degree., 7.30.degree., 9.04.degree., 10.97.degree. and 12.71.degree. to the sum of the peak heights of the X-ray diffraction lines at Bragg angles, 2.THETA., of 25.60.degree., 35.16.degree. and 43.40.degree. of NIST standard 1976, rhombohedral Al.sub.2 O.sub.

Abstract: A polyester film which has the in-plane rate of dimensional change of more than 0.02%, but not more than 0.05%, when the film is kept for 72 hours under the conditions of temperature 60.degree. C. and relative humidity 80%, and the average value of the in-plane rate of dimensional change of from -0.07% to 0.03% and the in-plane anisotropy of the in-plane rate of dimensional change of from 0% to 0.08%, when the film is kept for 30 minutes at a temperature of 105.degree. C. This polyester film is low in heat shrinkage and excellent in thermal dimensional stability. A heat-development, photographic light-sensitive material using the polyester film is low in heat shrinkage and excellent in thermal dimensional stability.

Abstract: A thermographic imaging element comprises:(a) a support;(b) an imaging layer comprising:(i) a silver salt;(ii) a first reducing agent which has high activity with an activation energy of less than 10 Joules/sq.cm.; and(iii) a second reducing agent which has low activity with an activation energy of greater than or equal to 10 Joules/sq.cm.

Abstract: A packaged photographic product is disclosed comprising a) a silver halide based photographic material contained within a packaging enclosure, and b) a time and temperature integrating device for providing a visually observable indication of cumulative thermal exposure which is removably attached to the packaging enclosure with a pressure sensitive adhesive. In accordance with a preferred embodiment, the packaged photographic product further comprises an outer enclosure, and the packaging enclosure comprises a second enclosure within the outer enclosure, and the time and temperature integrating device is removably attached to the second enclosure with a pressure sensitive adhesive, and is visible through a transparent or open section of the outer enclosure.

Abstract: A method for manufacturing a dual damascene structure includes the use of a sacrificial stud and provides an improved defined edge on the interface between the conductive line openings and the via openings.

Abstract: A recording material for producing high contrast images comprising at least one thermosensitive element, comprising a layer comprising a substantially light-insensitive organic silver salt in at least one binder and in thermal working relationship therewith an organic reducing agent therefor, on a support, characterized in that the recording material is light-insensitive and the layer contains colloidal particles comprising silicon dioxide at a coating weight given by expression (1): ##EQU1## wherein B represents the total weight of all binders in the layer, AGOS represents the total weight of organic silver salt in the layer and S represents the weight of the colloidal particles in the layer; and wherein a protective layer is optionally applied to the thermosensitive element being thereby an outermost layer of the recording material.

Abstract: A thermally processable imaging element comprises a support bearing an imaging layer comprising a hydrophobic binder and a boron compound of the formula: ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 are the same or different and are selected from substituted or unsubstituted alkyl groups, and substituted or unsubstituted aryl groups.

Abstract: A substantially non-photosensitive recording material comprising a thermosensitive element comprising a substantially light-insensitive organic silver salt, an organic reducing agent therefor in thermal working relationship therewith and a binder, on a support, characterized in that the thermosensitive element further comprises in reactive association with the light-insensitive organic silver salt and the organic reducing agent a 1,2,4-triazole compound with at least one of the nitrogen atoms having a hydrogen atom and none of the carbon atoms being part of a thione-group, said compound not being annulated with an aromatic ring system; and a thermal image recording process therefor.

Abstract: There are described heat-developable photosensitive image-recording materials which include a compound having at least one cyclic 1,3-sulfur-oxygen moiety. The compound is stable in the photographic processing composition but capable of undergoing cleavage in the presence of an imagewise distribution of silver ions and/or soluble silver complex made available as a function of development to liberate a reagent in an imagewise distribution corresponding to that of the silver ion and/or the soluble silver complex. The reagent includes a photographically useful group such as a complete dye or dye intermediate.

Abstract: Thermally processable imaging elements in which the image is formed by imagewise heating or by imagewise exposure to light followed by uniform heating are provided with an electroconductive overcoat layer or an electroconductive backing layer or both an electroconductive overcoat layer and an electroconductive backing layer. Such electroconductive layers are comprised of electrically-conductive metal-containing particles dispersed in a polymeric binder in an amount sufficient to provide a surface resistivity of less than 5.times.10.sup.11 ohms/square.

Abstract: The invention relates to a photographic element comprising at least one layer comprising a transition metallic salt of the general formula: ##STR1## wherein Q represents the atoms necessary to complete a five- or six-membered heterocyclic nucleus, and M is a transition metal cation and coupler, wherein said element further comprises silver chloride grains that comprise less than 2 mole percent iodide.

Abstract: Silver carboxylates which can serve as the silver source in a black-and-white thermographic or photothermographic element or as the oxidizing agent for a dye-based thermographic or photothermographic color-imaging construction can be represented by the general formula;R.sup.3 --X--(CH.sub.2 --CH.sub.2 --X).sub.n --L--CR.sup.1 R.sup.2 --COO.sup.-+ Agwherein:R.sup.1 and R.sup.2 are each independently hydrogen, halogen, alkyl, substituted alkyl, aromatic, or substituted aromatic;R.sup.3 is an alkyl group, an aryl group, or L--CR.sup.1 R.sup.2 --COO.sup.-+ Ag;L is a linking group that links CR.sup.1 R.sup.2 to X;X is selected from the group consisting of O, S, and NR.sup.4, wherein R.sup.4 is chosen from alkyl, substituted alkyl, aromatic, or substituted aromatic; andn is an integer from 0 to 12.

Abstract: A thermographic dye transfer image-recording material is provided wherein a particular silver salt complex is employed as a source of silver ions, made available upon imagewise heating, to cleave a dye-providing material to provide a diffusible dye in an imagewise pattern corresponding to said imagewise heating. The silver salt complexes have improved solubility in the system providing for enhanced transferred image density.

Abstract: Positive-acting photothermographic elements suitable for use in graphic arts and medical imaging comprising a photosensitive medium comprising a reducible silver source, a photo-acid generator, a binder and a reducing system for silver ion comprising a reducing agent for silver ion in which exposure of the element to actinic radiation causes the production of acidic species in the exposed regions which inhibit reduction of the silver source by the reducing system.

Abstract: Novel silver-carboxylate/1,2-diazine compounds having the formula: ##STR1## wherein: R.sup.1 represents either an alkyl, aralkyl, cycloalkyl, or alkenyl group of up to 29 carbon atoms; or an aryl group of up to 14 carbon atoms; andand R.sup.2 represents either hydrogen, an alkyl group, a cycloalkyl group fused to the 1,2-diazine ring, or the atoms necessary to complete a 5- or 6-membered aromatic ring fused to the 1,2-diazine ring.The novel silver-carboxylate/1,2-diazine compounds are coordination compounds of two silver-carboxylate molecules and two molecules comprising a 1,2-diazine nucleus. These compounds can serve as the silver source in a black-and-white thermographic or photothermographic element or as the oxidizing agent for a dye-based thermographic or photothermographic color-imaging construction.

Abstract: Photothermographic and thermographic diffusion transfer image-recording materials are provided wherein an auxiliary ligand for silver ions is employed to enhance transfer image density and discrimination.

Abstract: Thermally imageable compositions, comprising a silver salt of an organic acid, a reducing agent, and, optionally, an activator, coated together in a suitable polymeric binder, can be rendered photoimageable by the addition of a salt of a tetrahydrocarbylborate anion.

Abstract: This invention relates to novel recording materials which employ color-forming di- and triarylmethane compounds possessing certain S-containing ring-closing moieties, namely, or thiolactone, dithiolactone or thioether ring-closing moiety and to a method of forming color by contacting these dye precursor compounds with a Lewis acid material capable of opening the thiolactone, dithiolactone or thioether ring-closing moiety whereby the compound is rendered colored, that is, converted to its chromophore color.

Abstract: A silver halide photographic emulsion is described which has excellent color-sensitizing efficiency by sensitizing dyes, sharpness, covering power, and pressure resistant properties, wherein the grains are comprised of core/shell type grains having contained therein a partially halogen-converted silver salt phase, the silver salt comprising silver halochloride, silver thiocyanate or silver citrate.

Abstract: Photothermographic dry silver emulsions containing a benzylidene lenco dye and a development accelerator provide a high density yellow image upon exposure to actinic radiation and thermal developing at a relatively low temperature and for a short period of time.

Abstract: An image-bearing paper is provided which contains a bonding agent that is reticulated by ionizing rays, or bears a coating on at least one surface that contains a bonding agent reticulated by ionizing rays, whereby the bonding agent is predominantly formed of unsaturated substances, and reticulation takes place by means of ionizing rays in or on the paper, which is used as a support material for thermally developable photographic layers, or as an image-receiving material for thermally developed images produced by diffusion of the image-forming substance.

Abstract: Silver sodalites with cages containing anions such as oxalate, formate, halide, carbonate, sulphide etc. have silver compositions entrapped or encapsulated in the cages of a microporous sodalite lattice. The cages of the sodalite lattice have very small but very even sizes e.g. 6.6 A diameters, so that the silver compositions trapped therein are also of very small but very even sizes. The silver compositions may be sensitive to the application of light, and may be sensitive to thermal or pressure stimuli. Thus, images produced by, for example, irradiation of the materials can be of very high resolution. The silver sodalite materials are prepared by a silver ion exchange process, from synthetic sodium sodalites.

Abstract: An imaging material comprising a support and a layer of photosensitive microparticles on one surface of said support, said microparticles including an image-forming agent and a photosensitive composition containing a polymer which is capable of undergoing cationically-initiated depolymerization and a photoinitiator including a silver halide and an organo silver salt, wherein, after exposing said microparticle to radiation, said microparticles, directly or with additional processing, release said image-forming agent or become permeable to a developer which reacts with said image-forming agent to form a visible image.

Abstract: A dye-forming electrothermographic element comprises an electrically activatable recording layer comprising (a) a reducing agent or reducing agent precursor capable of being activated by a Lewis base; (b) a cobalt(III) Lewis base complex; and (c) at least one of (i) a reducible dye-forming compound that has an oxidation state above that of the conjugate dye, (ii) a dye capable of changing its wavelength of absorption by reaction with a Lewis base, and (iii) a dye-forming coupler capable of reacting with the oxidized form of the reducing agent in (a) to form a dye. A negative or positive dye image is formed in such a dye-forming electrothermographic element by applying an electrical potential imagewise to the element of a magnitude and for a time sufficient to produce in the image areas a charge density sufficient to produce a latent image; and, then, heating the element to a temperature and for a time sufficient to form a dye image in the element.

Abstract: A heat-developable light-sensitive material comprising, on a support, a thermally decomposable organic silver salt. The heat-developable light-sensitive materials have high density and low fog.

Abstract: Photothermographic elements containing heat bleachable acutance/antihalation dyes and thermographic elements employing heat bleachable dyes of the formula: ##STR1## in which: n is 2, 3, 4 or 5,at least one of R.sup.1 to R.sup.4 represent hydrogen and the remainder of R.sup.1 to R.sup.4 independently represent a hydrogen atom, an optionally substituted cycloalkyl group, an optionally substituted alkenyl group, an optionally substituted alkyl group, an optionally substituted aryl group, an optionally substituted heterocyclic aromatic group, or R.sup.1 and R.sup.2 together or R.sup.3 and R.sup.4 together represent the necessary atoms selected from C, N, O and S to complete a non-aromatic type ring,X.sup..crclbar. is an anion.

Abstract: A thermally developable photosensitive material containing (a) at least one organic silver compound, (b) at least one reducing agent, for said organic silver compound, (c) at least one photosensitive silver halide, and (d) at least one indan or tetralin derivative having at least two carboxyl groups. The indan and tetralin derivatives operate to suppress thermal fog.

Abstract: A method of forming an image by heat development of a photosensitive material comprising a support having a heat development photosensitive layer comprising imagewise exposing said layer and then bringing a non-water-permeable layer into close contact with said photosensitive layer, and heat developing said material, said photosensitive layer containing(a) an organic acid silver salt;(b) a photosensitive silver halide;(c) a reducing agent; and(d) a binder of at least one of gelatin and a gelatin derivative,said non-water-permeable layer comprising a high molecular compound selected from the group consisting of polyethylene, polypropylene, polystyrene, polyvinyl acetate, polyvinyl butyral, polyvinyl acetal, polyvinyl fluoride, polyvinyl pyrrolidone, polyvinyl chloride, polyacrylic ethyl, polymethacrylic methyl, polymethacrylic ethyl, polyvinylidene chloride, chlorinated polyethylene, chlorinated polypropylene, polycarbonate, polybutadiene, cellulose acetate, cellulose acetate butyrate, cellulose acetate propio