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31
resultados
Última actualización
08/08/2026 [07:04:00]
Resumen de: AU2024404893A1
The invention relates to an authentication device (1) for an information carrier (2) configured to encapsulate at least one datum relating to a product or a person, wherein the authentication device (1) comprises a zone, referred to as the authentication zone (4), wherein the authentication zone (4) comprises at least one layer (7) provided with the information carrier (2) and an optically variable element (6) that displays a variation between a first appearance and a second appearance such that, in a first state, the authentication zone (4) and/or the information carrier (2) displays the first appearance and, in a second state, the authentication zone (4) and/or the information carrier (2) displays the second appearance, wherein the transition between the first appearance and the second appearance is caused by a variation in the viewing angle, or the lighting, or a physico-chemical stimulus.
Resumen de: WO2025067985A1
The invention relates to a security element (14) for safeguarding security papers, value documents, and other data carriers using a luminescent security feature. According to the invention, the luminescent security feature contains a luminescent iris printing (34) with a color gradient between at least two different luminescent shades.
Resumen de: WO2025067598A1
The invention relates to a security feature for safeguarding a value document. The security feature is formed on the basis of a luminescent substance which, in its pure form, has a different excitation behavior than in a diluted form when used in the value document, and the luminescent substance is based on an inorganic host lattice, which is doped with Mn(V) as a luminophore. The proportion of the Mn(V) substance in the luminescent substance is less than 2%, and the host lattice of the luminescent substance is selected from apatites of the type A5(PO4)3Z, spodiosites of the type A2PO4Z, and phosphates of the type A3(PO4)2, wherein A = Ca, Sr, Ba and the mixtures thereof and Z = F, CI, OH and the mixtures.
Resumen de: WO2025067593A1
The invention relates to a security feature for safeguarding a value document, comprising a luminescent substance based on an inorganic host lattice, which is doped with Mn(V) as a luminophore, according to one of the formulas (I), (II), (III) or (IV): A5(XO4)3Hal:Doty (I), A2XO4Hal:Doty (II), A3(XO4)2:Doty (III), EZO4:Doty (IV), wherein y indicates the degree of doping of the luminophore and is selected from the range 0 < y < 0.1, and the elements for the host lattice and dopants are selected from the following list: A = Ca, Sr, Ba and the mixtures thereof; E = Sr, Ba and the mixtures thereof; X = P, V, As and the mixtures thereof; Z = S, Se and the mixtures thereof; Hal = F, CI and the mixtures thereof; and Dot = Mn(V).
Resumen de: EP4786202A1
0001 Die Erfindung betrifft ein Sicherheitselement zur Herstellung von Wertdokumenten, wie Banknoten, Schecks oder dergleichen, das eine Vorderseite (2) und eine Rückseite hat, und einen Substratkörper (42) aufweist, welcher auf seiner Oberfläche einen ersten Teilbereich (10), der erste Pigmente (46) umfasst, und einen zweiten Teilbereich (12), der zweite Pigmente (50) umfasst. Die Teilbereiche (10, 12) zeigen im sichtbaren Spektralbereich in Draufsicht und/oder Transmission mindestens eine Farbe. Die ersten Pigmente (46) weisen eine erste Gitterstruktur (55, 68) mit darauf befindlicher Reflektorschicht (74, 82) auf, wobei die erste Gitterstruktur (55, 68) im ersten Teilbereich (10) einheitlich ausgebildet ist, und die zweiten Pigmente (50) weisen eine andere, zweite Gitterstruktur (55, 68) mit darauf befindlicher Reflektorschicht (74, 82) auf, wobei die zweite Gitterstruktur (55, 68) im zweiten Teilbereich (12) einheitlich ausgebildet ist. Die erste Gitterstruktur (55, 68) der ersten Pigmente (46) im ersten Teilbereich (10) unterscheidet sich von der zweiten Gitterstruktur (55, 68) der zweiten Pigmente (50) im zweiten Teilbereich (12) in mindestens einem Gitterstrukturparameter (h, d) so, dass die Teilbereiche (10, 12) sich im sichtbaren Spektralbereich hinsichtlich der mindestens einen Farbe nicht unterscheiden, im nahen Infrarotbereich hinsichtlich ihrer Absorption und/oder Reflexion aber unterschiedlich sind.
Resumen de: WO2025068047A1
A label (1) with protection against forgery comprises an unclonable security feature (10) and a hidden code (20). The hidden code (20) contains data describing the security feature (10). The data are coded in the hidden code in the form of characters (21). As a result, the characteristic properties of the security feature (10) are directly stored on the label (1), with the result that it is not necessary to access a database in order to authenticate the security feature (10). The characters (21) may be arranged on a substrate (30) with a covering layer (60) above which is opaque when illuminated with light in the visible spectrum and transparent when illuminated with light in at least one part of the invisible spectrum (for example transparent and readable with an infrared camera in the infrared spectral range), or which becomes transparent when heated above a temperature threshold value (for example made of thermochromic inks).
Resumen de: WO2025067976A1
The invention relates to a security element for safeguarding security papers, value documents, and other data carriers using a combination security feature (16) which contains a colored image motif, wherein - the combination security feature (16) displays a first image motif with a 2D or 3D appearance under normal illumination using visible light (20) and - under hybrid illumination using visible light (20) and UV light (22), displays a second image motif with a 3D appearance. The combination security feature (16) has a body color layer (32, 34) with at least one visually visible body color in order to produce the first image motif and at least one luminescent color layer (36) arranged above and/or below the body color layer (32, 34), said luminescent color layer, together with the body color layer (32, 34), producing the second image motif upon being excited with UV light.
Resumen de: AU2023477578A1
The present technology relates to the field of improved opacified polymeric transparent substrates (x00) for use in making security documents such as banknotes, said substrates (x00) combining good mechanical performance and that can be easily handled for subsequent multi-step security printing processes. In particular, kits are provided for manufacturing an opacifying system (x10) either on one side or on both sides of a polymeric transparent substrate (xx0) , said kit comprising a) a first composition for manufacturing an opacifying layer (x11) , b) a second composition for manufacturing a conductive layer (x12) , and c) a third layer composition for manufacturing an acceptance layer (x13) , wherein the first, second and third compositions comprises i) water, ii) a water-soluble or water-dispersible resin, iii) a white pigment, iv) a wax, wherein at least one of the first, second and third compositions comprises an anti-static agent, and wherein at least two of said first, second and third compositions comprise a mica compound.
Resumen de: WO2025061847A1
The invention relates to a method for producing a security element (4) comprising the following steps: providing a UV-embossing lacquer layer (8) and embossing a relief structure (9) and hardening the UV-embossing lacquer layer (8); printing a lacquer as a primer on the relief structure (9) and drying the lacquer, wherein the dried primer has a layer thickness of a maximum of 2 µm; and depositing by PVD of a ZnS layer (12) of a maximum thickness of 1 µm to cover the dried primer layer (10).
Resumen de: US20260209251A1
0000 The present invention relates to compounds of the formula
0000
0000 a process for its preparation and its use as compound that absorbs light emitted from an irradiation source and optionally emits light different from that of the irradiation source and having a wavelength in the range from 650 to 1200 nm; in photovoltaic applications; or in bioimaging, or in photodynamic therapy; or as semiconductor in organic electronic applications; as laser dye, in an ink for machine readability and/or security applications or for the laser-welding of plastics; or for brand protection or as marker for liquids. The compounds of formula (I) may have a high molar extinction coefficient, a high fluorescence quantum yield, a high solubility and stability in the application medium, good storage stability and/or good detectability even in very small amounts in correspondingly marked liquids.
Resumen de: WO2025059631A1
In a general aspect, a unique marker includes a plurality of particles. In some cases, the particles are distributed (e.g., fixed) on a surface, and a unique code can be generated based on the spatial properties (e.g., relative positions and relative orientations) of the projection of these particles onto a plane. A computing system may generate the unique code, and the spatial properties may be determined from data obtained by a camera or another type of optical detector.
Resumen de: US20260200259A1
A substrate includes a mark that exhibits an enhanced moiré effect. In some embodiments, the mark includes: a checkered pattern comprising a first set of cells to be printed with a first color and a second set of cells to be printed with a second color; a first set of broken parallel lines of a third color to be printed along edges of the first set of cells and/or the second set of cells; and a set of frame elements of a fourth color, wherein each frame element is positioned to frame one of the two sets of cells.
Resumen de: US20260200258A1
Embodiments disclosed include a monochromatic pattern mark that includes multiple sets of pattern ink segments that cause a substrate to exhibit an enhanced moiré effect. A first set of the pattern ink segments includes a solid center line that is black; a first outer line that is dashed, grey, and adjacent to a first side of the center line; and a second outer line that is dashed, grey, and adjacent to a second side of the center line. Each of the first and second outer lines has a color value of less than approximately 100% K. In other embodiments, the mark may or may not be monochromatic, but it also functions as a correlation mark.
Resumen de: DE102025101525A1
Es ist ein Optisch variables Sicherheitselement zur Absicherung von Sicherheitspapieren, Wertdokumenten und anderen Wertgegenständen offenbart, das einen Substratkörper (2), der eine Vorderseite (4) und eine Rückseite (6) hat, und eine Druckschicht (8), die auf die Vorderseite (4) des Substratkörpers (2) aufgebracht ist und erste Pigmente (10) enthält, aufweist. Die ersten Pigmente (10) weisen jeweils einen Mehrschichtaufbau umfassend eine Reflektorschicht, eine Absorberschicht und eine dielektrische Abstandsschicht, die zwischen der Reflektorschicht und der Absorberschicht angeordnet ist, auf, der so ausgebildet ist, dass er einen ersten Farbkippeffekt mit einer ersten Farbe in einem ersten Betrachtungswinkelbereich und einer anderen, zweiten Farbe in einem zweiten Betrachtungswinkelbereich erzeugt. Die Druckschicht (8) enthält eine Vielzahl von zweiten, unterschiedlichen Pigmenten (12), die einen zweiten Farbkippeffekt dadurch erzeugen, dass sie im ersten Betrachtungswinkelbereich transparent sind und im zweiten Betrachtungswinkelbereich eine Farbe aufweisen.
Resumen de: DE102025101526A1
Es ist ein optisch variables Sicherheitselement zur Absicherung von Sicherheitspapieren, Wertdokumenten und anderen Wertgegenständen offenbart, das einen Substratkörper (2), der eine Vorderseite (4) und eine Rückseite (6) hat, und eine Druckschicht (8) aufweist, die auf die Vorderseite (4) des Substratkörpers (2) aufgebracht ist und erste Pigmente (10) und zweite Pigmente (12) enthält. Die ersten Pigmente (10) weisen vernetzte, cholesterische Flüssigkristalle auf, erzeugen eine erste Farbe in einem ersten Betrachtungsrichtungswinkelbereich und sind in einem zweiten Betrachtungswinkelbereich transparent. Die zweiten Pigmente (12) weisen vernetzte, cholesterische Flüssigkristalle auf, erzeugen eine zweite, andere Farbe im zweiten Betrachtungswinkelbereich und sind im ersten Betrachtungswinkelbereich transparent, sodass die ersten Pigmente (10) und die zweiten Pigmente (12) in Kombination einen Farbkippeffekt erzeugen, und unter der Druckschicht (8) ist ein lichtabsorbierender Untergrund vorgesehen.
Resumen de: WO2025052155A1
A security document (1) having a transparent window (2) comprising UV fluorescent inks (3, 3 ') and UV absorbing ink (4), characterised by that the UV absorbing ink (4) is positioned in a part of the transparent window (2), the first UV fluorescent ink (3) being positioned between the surface of the first side (A) of the transparent window (2) and the UV absorbing ink (4), the second UV fluorescent ink (3' ) is positioned between the surface of the second side (B) of the transparent window (2) and the UV absorbing ink (4) in such a way that the first and second UV fluorescent inks (3, 3' ) are positioned opposite each other on the part of the transparent window (2) not covered by the UV absorbing ink (4), and another part of the first and second UV fluorescent inks (3, 3' ) are positioned opposite each other on the part covered by the UV absorbing ink (4).
Resumen de: WO2025051658A1
The present invention relates to the technical field of security features comprising taggants by means of Surface-Enhanced Raman Spectroscopy (SERS) and their detection. Furthermore, the present invention relates to the field of UV-Vis curable security inks comprising SERS tags for printing security features on substrates, in particular on security documents or articles, wherein said inks comprise one or more surface enhanced Raman spectroscopy (SERS) tags, one or more radiation curable compounds, and one or more photoinitiators and wherein said inks lack a vinyl ether containing compound.
Resumen de: TW202528493A
The present invention relates to the technical field of security features comprising taggants by means of Surface-Enhanced Raman Spectroscopy (SERS) and their detection. Furthermore, the present invention relates to the field of UV-Vis curable security inks comprising SERS tags for printing security features on substrates, in particular on security documents or articles, wherein said inks comprise (i) one or more surface enhanced Raman spectroscopy (SERS) tags, (ii) one or more vinyl ether containing compounds, (iii) one or more cationically radiation curable compounds different from the one or more vinyl ether containing compounds of (ii) and (iv) one or more cationic photoinitiators being a salt of hexafluorophosphate.
Resumen de: WO2026148229A1
A micro-optic security device (200) includes an optical spacer layer (210, 305) comprising a first side and a second side, an array of focusing elements (205, 310), an array of image icons (220, 319a-319c), wherein the image icons comprise colored regions of cured resin, which when viewed with or through focusing elements of the array of focusing elements, project a synthetically magnified image and a machine-readable component (330), wherein the machine-readable component exhibits a signature variation in infrared (IR) transparency or reflection which varies according to wavelength through the near-infrared region of the electromagnetic spectrum.
Resumen de: US20260194607A1
Physical identification tags are provided that contain patterns of magnetized and non-magnetized nanoparticles embedded in a matrix. The magnetic nanoparticles form a spatially unique magnetic field distribution that is detectable only with the use of a quantum scanning magnetometer with nanometer resolution. The invisible magnetic field pattern is randomly generated by the mixture of magnetic with nonmagnetic nanoparticles and is physically impossible to reproduce. The tags can be used for identification and authentication of articles of commerce, artworks, and subjects.
Resumen de: AU2026204534A1
A printed security feature Abstract A printed security feature for a security document including a substrate, the security feature 5 comprising: a first functional effect ink printed on a first surface of the substrate, and a second functional effect ink printed on the first and/or a second surface of the substrate, at least partially overlapping the first functional effect ink, wherein the first and the second functional effect inks in combination create an imagery feature which resembles an appearance of a security thread. 10 Abstract un b s t r a c t u n
Resumen de: WO2025040652A1
The invention relates of UV-Vis radiation curable coating compositions comprising magnetic or magnetizable pigment particles and methods for producing optical effect layers (OELs) comprising magnetically oriented magnetic or magnetizable pigment particles and the use of said OELs as anti-counterfeit means on security documents or security articles as well as decorative purposes. The UV-Vis radiation curable coating compositions comprises one or more (meth)acrylate monomers, one or more cyclic ether compounds, one or more vinyl ether compounds, one or more photoinitiators, one or more thermoplastic polymers and non-spherical magnetic or magnetisable pigment particles.
Resumen de: WO2026132629A1
The present invention relates to a method for producing a luminescent inorganic material based on an oxyfluoride matrix doped with multiple combinations of rare-earth ions (ytterbium (Yb), erbium (Er), thulium (Tm), europium (Eu) and neodymium (Nd)), and which contains micro- and nanostructured phases obtained using a thermal treatment. Advantageously, the material obtained using the method of the present invention generates a luminescence pattern with simultaneous emission in the near infrared spectrum and in the visible spectrum under 980 nm infrared excitation, which enables the material to be used in anti-counterfeiting security devices, such as security inks for printing textiles, paper money or printed circuits, among others.
Resumen de: WO2026129652A1
Disclosed are an anti-counterfeiting digital invisible ink and application thereof. The anti-counterfeiting label provided by the present invention is prepared by printing the anti-counterfeiting digital invisible ink on a label followed by heating and drying, wherein the raw material components of the anti-counterfeiting digital invisible ink comprise, in parts by mass: 10-40 parts of an invisible anti-counterfeiting agent, 0.3-3 parts of a polymer, 0.05-1 part of a stabilizer, 5-30 parts of a solvent, and 0.05-5 parts of an auxiliary agent, wherein the invisible anti-counterfeiting agent is selected from one of an invisible anti-counterfeiting core-structured substance and core-shell composite particles; in the present invention, the anti-counterfeiting digital invisible ink is obtained by mixing and stirring the raw material components followed by dispersion treatment. Compared with the prior art, the anti-counterfeiting label prepared in the present invention has the advantage of excellent invisibility, and the anti-counterfeiting digital invisible ink used therein has the advantages of high stability and good weathering resistance.
Nº publicación: US20260166860A1 18/06/2026
Solicitante:
COVESTRO DEUTSCHLAND AG [DE]
Covestro Deutschland AG
Resumen de: US20260166860A1
0000 Provided is a security document (A) having a first outer surface (AS1) and a second outer surface (AS2) opposite the first outer surface (AS1) comprising at least: (A1) a first polymer film (A1), (A2) a second polymer film (A2), (A3) optionally at least one further polymer film (A3), (A4) a security feature (A4), (A5) optionally fibres, in particular structural fibres, wherein at least one of the polymer films selected from the group consisting of the first polymer film (A1), the second polymer film (A2), optionally the at least one further polymer film (A3) or a combination of at least two of these comprises a thermoplastic elastomer (TPE) or consists of at least one TPE and forms at least one of the outer surfaces (AS1) or (AS2) and to a process for producing such a security document and to the use thereof.
BOPI
Sede Electrónica
