Abstract: A recording material comprising a support and a thermosensitive element containing one or more of silver behenate, silver palmitate, and silver stearate, an organic reducing agent therefor in thermal working relationship therewith and a binder, wherein the silver behenate, palmitate, or stearate is not associated with mercury and/or lead ions, production processes for particles of substantially light-insensitive organic silver salt primarily comprising silver behenate, silver palmitate, or stearate, with described X-ray characteristics in the substantial absence of organic solvent.

Abstract: A recording material comprising a support and a thermosensitive element containing one or more of silver behenate, silver palmitate, and silver stearate, an organic reducing agent therefor in thermal working relationship therewith and a binder, wherein the silver behenate, palmitate, or stearate is not associated with mercury and/or lead ions, production processes for particles of substantially light-insensitive organic silver salt primarily comprising silver behenate, silver palmitate, or stearate, with described X-ray characteristics in the substantial absence of organic solvent.

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: A recording material comprising a support, a thermosensitive element and a protective layer therefor, the thermosensitive element comprising 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 comprises in reactive association with the substantially light-insensitive organic silver salt and the organic reducing agent a substituted, exclusive of groups having an exclusively electron withdrawing character, or unsubstituted compound with an unsaturated 5-membered heterocyclic ring annulated with an aromatic ring system, the ring consisting of nitrogen and carbon atoms with at least one of the nitrogen atoms having a hydrogen atom and none of the carbon atoms being directly linked to a sulfur atom or being part of a carbonyl-group; a production process therefor and a thermal image recording process utilizing the recording-material.

Abstract: A label-printing process for obtaining a desired optical density and a desired color tone with a substantially light-insensitive elongated imaging material comprising: selecting an elongated imaging material, the selected elongated imaging material having a support and a thermosensitive element; supplying image data to a processing unit of a thermal printer including a printhead having energizable heating elements arranged in a column C; converting the image data which are not zero into at least one activation pulse per pixel to be printed; energizing the heating elements printing-line by printing-line adjacent to the selected substantially light-insensitive elongated imaging material thereby producing an image; transporting the imaging material past and adjacent to the printhead in a transport direction with a transport system; forming an image dot with a heat energy of 50 to 200 mJ/mm2 of heating element surface area; wherein the thermosensitive element contains a substantially light-insensitive orga

Abstract: A recording material comprising a support and a thermosensitive element containing silver behenate, an organic reducing agent therefor in thermal working relationship therewith and a binder, wherein the silver behenate 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, normalized to a quantity of silver in the recording material of 1 g per m.sup.2 thereof, of the sum of the peak heights of the X-ray diffraction lines attributable to silver behenate at Bragg angles, 2.THETA., of 6.01.degree., 7.56.degree., 9.12.degree., 10.66.degree., 12.12.degree. and 13.62.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.3, determined with the same X-ray diffractometer in the same state of adjustment, is greater than 0.

Abstract: A recording material comprising a support and a thermosensitive element containing silver behenate, an organic reducing agent therefor in thermal working relationship therewith and a binder, wherein the silver behenate 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, normalized to a quantity of silver in the recording material of 1 g per m.sup.2 thereof, of the sum of the peak heights of the X-ray diffraction lines attributable to silver behenate at Bragg angles, 2.THETA., of 6.01.degree., 7.56.degree., 9.12.degree., 10.66.degree., 12.12.degree. and 13.62.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.3, determined with the same X-ray diffractometer in the same state of adjustment, is greater than 0.

Abstract: A recording material comprising a support, a thermosensitive element and a protective layer therefor, the thermosensitive element comprising 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 comprises in reactive association with the substantially light-insensitive organic silver salt and the organic reducing agent a substituted, exclusive of groups having an exclusively electron withdrawing character, or unsubstituted compound with an unsaturated 5-membered heterocyclic ring annulated with an aromatic ring system, the ring consisting of nitrogen and carbon atoms with at least one of the nitrogen atoms having a hydrogen atom and none of the carbon atoms being directly linked to a sulfur atom or being part of a carbonyl-group; a production process therefor and a thermal image recording process utilizing the recording material.

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 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, a compound with an unsaturated 5-membered heterocyclic ring consisting of nitrogen and carbon atoms with at least one of the nitrogen atoms having a hydrogen atom and none of the carbon atoms being part of a thione-group, the ring not being annulated with an aromatic ring system and the compound being exclusive of 1,2,4-triazole and substituted 1,2,4-triazole compounds, in reactive association with the substantially light-insensitive organic silver salt and the organic reducing agent and a binder, on a support; and a thermal image recording process therefor.

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: A heat-sensitive recording material suited for use in direct thermal imaging, wherein said recording material comprises in the order given:(i) a transparent polymeric support,(ii) a heat-sensitive imaging layer, and(iii) a protective layer characterized in that said protective layer is an opaque layer containing uniformly distributed in an organic hydrophilic polymeric binder at least one opacifying pigment in the form of particulate material some of which protrudes from the surface of said binder and has anti-stick properties with regard to a thermal print head, and wherein the opacity of layer (iii) corresponds with an absorption and/or scattering of at least 80% of the light of the visible wavelength range (400 to 700 nm), wherein said opaque layer has been coated from an aqueous dispersion of said opacifying pigment particles or precursors thereof.

Abstract: A direct thermal recording process wherein a direct thermal recording material is heated dot-wise and said direct thermal recording material comprises on a substrate an imaging layer containing uniformly distributed in a film-forming polymeric binder (i) one or more substantially light-insensitive organic silver salts being no double salts, said silver salt(s) being in thermal working relationship with (ii) an organic reducing agent therefor, characterized in that said reducing agent is a benzene compound the benzene nucleus of which is substituted by no more than two hydroxy groups which are present in 3,4-position on said nucleus and have in the 1-position of said nucleus a substituent linked to said nucleus by means of a carbonyl group.

Abstract: A direct thermal imaging process wherein a non-photosensitive direct thermal recording material is heated dot-wise, and said direct thermal recording material comprises an imaging layer containing uniformly distributed in a film-forming polymeric binder (i) one or more substantially light-insensitive organic silver salts, said silver salt(s) being uniformly in thermal working relationship with (ii) one or more organic reducing agents therefor, however neither including 3,5-dihydroxybenzoic acid as acidic reagent nor di-tert-butyl-p-cresol as a sole reducing agent, characterized in that said imaging layer contains at least one polycarboxylic acid and/or anhydride thereof in a molar percentage of at least 20 with respect to said silver salt(s).