Abstract: New method for the detection of specific binding agents and their corresponding bindable substances by employing a label which is a latex particle which can be visually detected.

Abstract: The present invention provides a photographic material comprising on a support (i) photosensitive silver halide particles, (ii) substantially light insensitive silver salt particles having a speed at least a factor 10 less than said photosensitive silver halide particles under the same conditions of exposure and development of said photosensitive silver halide particles and (iii) a releasing compound capable of image-wise releasing under the conditions for image-wise development of said photosensitive silver halide to silver a chemical sensitizer, said chemical sensitizer rendering said substantially light insensitive silver salt particles developable. The present invention also provides a method for making an image therewith and a method for making a lithographic printing plate.

Abstract: An electrophotographic recording material which comprises an electrically conductive support having thereon a photoconductive layer containing at least one aromatic amino compound having positive charge transport capacity, wherein said aromatic amino compound is within the scope of general formula (A) defined in the description.

Abstract: An electrophotographic recording material which comprises an electrically conductive support having thereon a photoconductive layer, characterized in that said layer contains one or more 1,2-dihydroquinoline compounds corresponding to the following general formula (A): ##STR1## wherein: each of R.sup.1 and R.sup.2 (same or different) represents a C.sub.1 -C.sub.6 alkyl group,Y represents a polycyclic aromatic nucleus, including said nucleus carrying one or more non-ionic substituents, andZ represents the atoms necessary to close an adjacent aromatic nucleus or ring system, including such nucleus or ring system substituted with one or more substituents of non-ionic character.

Abstract: The present invention provides a photographic material comprising on a support (i) photosensitive silver halide particles, (ii) substantially light insensitive silver salt particles having a speed at least a factor 10 less than said photosensitive silver halide particles under the same conditions of exposure and development of said photosensitive silver halide particles and (iii) a releasing compound capable of image-wise releasing under the conditions for image-wise development of said photosensitive silver halide to silver a chemical sensitizer, said chemical sensitizer rendering said substantially light insensitive silver salt particles developable. The present invention also provides a method for making an image therewith and a method for making a lithographic printing plate.

Abstract: A photosensitive recording material which comprises an electrically conductive support having thereon a layer containing a charge transporting compound (n-CTM-compound) capable of accepting and transporting electrons obtained by radiation-activated charge-generation in a charge generating compound (CGM-compound) present in said material, wherein said n-CTM-compound corresponds to a general formula (A), (B), or (C) as defined in the description.

Abstract: Method of forming thermal transfer dye images comprising exposing a recording element comprising at least one layer of an organic photochemical imaging composition comprising a heat-diffusible dye (precursor) monomer, said layer being permeable to said dye (precursor) monomer, to an image-wise distribution of actinic radiation to create a change in its permeability corresponding to said image-wise distribution of actinic radiation, wherein said change in permeability is brought about by the radiation-induced polymerization or crosslinking reaction of said organic photochemical imaging composition combined with a concurrent copolymerization or crosslinking reaction of said heat-diffusible dye (precursor) monomer, bringing said recording element in contact with an image-receiving element, overall heating at least one of said contacting elements to cause diffusion of the heat-diffusible dye (precursor) monomer from the areas having unchanged permeability and transfer to said image-receiving element, causing in t

Abstract: A recording material suited for forming a direct-read-after-write image by laser beam radiation, which recording material contains in a recording layer a naphthoquinonimine dye either or not in admixture with a hydrophobic polymer, characterized in that said naphthoquinonimine dye is present in the recording layer in microcrystalline state having a particle size in the range of 0.01 to 0.1 micron hereby showing an absorption maximum situated in the 800 to 880 nm wavelength range, the weight ratio of said dye to said polymer being in the range from 1/99 to 100/0.

Abstract: An electrophotographic recording material comprising on an electrically conductive support a negatively chargeable photoconductive recording layer which contains in an electrically insulating organic polymer binder material at least one photoconductive n-type pigment substance and at least one p-type photoconductive charge transport substance as defined herein by a general formula (I) to (V), wherein said layer has a thickness in the range of 4 to 40 .mu.m and comprises 8 to 80% by weight of said n-type pigment substance and 0.01 to 40% by weight of said p-type charge transport substance that is molecularly distributed in said electrically insulating organic polymeric binder material that has a voluem resistivity of at least 10.sup.14 Ohm-m, and wherein said recording layer in electrostatically charged state requires for 10% and 90% discharge respectively exposures to conductivity increasing electromagnetic radiation that differ by a factor 4.5 or less.

Abstract: An electrophotographic recording material which comprises an electrically conductive support having thereon a photoconductive layer, characterized in that said layer contains one or more hydrazone compounds corresponding to a following general formula (I) to (II): ##STR1## wherein: R represents a homocyclic or heterocyclic group with aromatic character, including such group substituted with one or more non-ionic substituents, each of R.sup.1 and R.sup.2 (same or different) represents a C.sub.1 -C.sub.6 alkyl group,R.sup.3 represents hydrogen or a N,N-substituted --CH.dbd.hydrazono group,Z represents the atoms necessary to close an adjacent aromatic nucleus, or aromatic ring system substituted with a N,N-substituted --CH.dbd.hydrazono group, andX is a bivalent homocyclic or heterocyclic aromatic group.

Abstract: An electrophotographic recording material which comprises an electrically conductive support having thereon a photoconductive layer containing one or more p-type photoconductive charge transport substances, characterized in that at least one of the p-type charge transport substances is a hydrazone compound corresponding to a general formula (I) to (V) as defined in the description, and the use of a said hydrazone compound in the charge transporting layer of a bilayer-system photoconductive material comprising a charge generating layer in contiguous relationship with said charge transporting layer.

Abstract: An electrophotographic recording material which comprises an electrically conductive support having coated thereon a layer containing at least one 1,2-dihydroquinoline compound according to one of the general formulae (I) or (II) disclosed in the description.

Abstract: In a liquid crystal display wherein a liquid crystal material is contained in a gap defined between two surfaces, at least one of the said facing surfaces of the gap is constructed by a multi-color relief layer obtained by the color-development of a single hydrophilic colloid silver halide emulsion layer. The relief layer has different regions of multiple different thicknesses corresponding to the plurality of colors thereof, the thickness of each such relief region being characteristic of the particular color of that region. Each different relief region contains a dye of the corresponding color derived from a color coupling agent by the color development and a diffusion-resistant colorless compound derived from a colorless coupling agent by said color development. The colorless compound is present in each relief region in an amount which is different from that in each other relief region and is characteristic of that region.

Abstract: An electrophotographic recording material comprising a conductive support and a photosensitive layer containing a photoconductive compound that has p-type charge generating capacity and is a trisazo compound which is the reaction product of the coupling reaction between a coupler compound that does not contain a carboxylic acid or sulphonic acid group and a diazonium salt represented by the following general formula (I): ##STR1## wherein: each of L, M and Y (same or different) represents a phenylene group including a phenylene groups substituted with one or more substituents selected from the group consisting of lower alkyl (C.sub.1 -C.sub.2), nitro, methoxy, ethoxy or halogen, or represents said phenylene group fused-on with the necessary atoms to close a saturated or unsaturated carbocyclic or heterocyclic ring or ring system including said ring or ring-system in substituted form, and X.sup.- is an anion.

Abstract: An electrophotographic recording material which comprises an electrically conductive support having thereon a double layer of a charge generating layer in contiguous relationship with a charge transporting layer comprising a p-type charge transport compound corresponding to the following general formula (I): ##STR1## wherein: R.sup.1 is --NR.sup.4 R.sup.5, wherein each of R.sup.4 and R.sup.5 (same or different) represents hydrogen, an aliphatic or cycloaliphatic group including said groups in subsituted form or an aryl group, orR.sup.4 and R.sup.5 together represent the atoms necessary to complete a nitrogen-containing ring including such ring in substituted form, orR.sup.1 is N.dbd.N--Cp, wherein Cp is an azocoupler residue derived from an aromatic amine or an aromatic hydroxy compound used in azo coupling, orR.sup.1 is N.dbd.CH--R.sup.6, wherein R.sup.

Abstract: An electrophotographic recording material which comprises an electrically conductive support having thereon a double layer of a charge generating layer in contiguous relationship with a charge transporting layer comprising a positive charge transporting compound corresponding to the following general formula (I): ##STR1## wherein: R represents hydrogen or an aliphatic or cycloaliphatic group including these groups substituted by non-ionic substituents,each of R.sup.1 and R.sup.2 (same or different) represents a C.sub.1 -C.sub.6 alkyl group or an aryl group, andZ represents the atoms necessary to close an adjacent aromatic nucleus or aromatic ring system including such nucleus or ring system substituted with one or more substituents of non-ionic character.

Abstract: Color photographic motion picture elements adapted to form a multicolor photographic dye image and an integral, infrared-absorbing, dye sound track and comprising a 1-hydroxy-2-N-(5-ballasted-thiazol-2-yl)-naphthamide coupler dispersed with the aid of a water-immiscible, high-boiling, oil-type hydrocarbon oil-former, said coupler bearing a phenyl group or a substituted phenyl group at the 4-position of the thiazol-2-yl ring and being capable of forming infrared-absorbing quinone imine dyes by reaction with an oxidized aromatic primary amino developing agent.

Abstract: New method for the detection of specific binding agents and their corresponding bindable substances by employing a label which is a latex particle which can be visually detected.

Abstract: A process for the manufacture of a relief element useful in liquid crystal display panels to control the gap-width of the liquid crystal layer, which process comprises the steps of:(I) pattern-wise photo-exposing a photographic silver halide emulsion material comprising on a support a single gelatin containing silver halide emulsion layer to form a latent pattern of exposed silver halide, and(II) treating the exposed silver halide emulsion layer with an aqueous solution containing a developing agent for said halide in the presence of a colorless coupling agent capable of forming with oxidized developing agent a diffusion resistant colorless reaction product increasing the thickness of said emulsion layer in the exposed regions.The treating step (II) can occur also in the presence of a color developing agent reactive with the oxidized developing agent to form a colored reaction product in the exposed regions.

Abstract: Cyan-forming color couplers according to the formula: ##STR1## wherein Z is hydrogen or a coupling off group, R.sup.1 is hydrogen, a halogen atom, alkyl, or alkoxy, R.sup.2 is hydrogen or alkyl, R.sub.3 is hydrogen, a halogen atom, alkyl, alkoxy, alkylsulphonyl, alkanamidosulphonyl, alkoxycarbonyl, alkanamidocarbonyl, alkanamido, alkylsulphonamido, or cyano, R.sup.4 is a substituent standing at the 3- or 6-position of the phenol and selected from hydrogen, a halogen atom, and alkyl, and n is 0 or 1. These couplers can be incorporated into (a) red-sensitized silver halide emulsion layer(s) of a photographic multilayer color element or in a non-light-sensitive colloid layer in water-permeable relationship with the red-sensitized emulsion layer(s).