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SECURITY FEATURE, VALUE DOCUMENT, AND PRINTING INK

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).

SECURITY ELEMENT WITH COMBINATION SECURITY FEATURE

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.

OPACIFYING SYSTEMS FOR POLYMERIC TRANSPARENT SUBSTRATES

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.

METHOD FOR PRODUCING A SECURITY ELEMENT HAVING A RELIEF STRUCTURE AND SECURITY ELEMENT HAVING A RELIEF STRUCTURE

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).

XANTHENE COMPOUNDS HAVING A WAVELENGTH IN THE RANGE FROM 650 TO 1200 NM

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.

GENERATING UNIQUE IDENTIFIERS FROM A COLLECTION OF PARTICLES

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.

Methods of Printing Document Markings with Enhanced Visual Effects, and Documents that Exhibit Such Effects

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.

Optisch variables Sicherheitselement, Wertdokument und Herstellungsverfahren

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.

METHODS OF PRINTING DOCUMENT MARKINGS WITH ENHANCED MOIRÉ EFFECTS, AND DOCUMENTS THAT EXHIBIT SUCH EFFECTS

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.

Optisch variables Sicherheitselement, Wertdokument und Herstellungsverfahren

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.

UV-VIS CURABLE SECURITY INKS COMPRISING TAGS AND SECURITY FEATURES OBTAINED THEREOF

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.

INFORMATION STORAGE METHOD AND INFORMATION STORAGE MEDIUM WITH INCREASED STORAGE DENSITY BY MULTI-BIT CODING

Resumen de: EP4776180A2

0001 A method for storage of information comprising the steps of providing a substrate and coating the substrate with a layer of a second material different from the material of the substrate. A method for storage of information further comprising the steps of creating a plurality of recesses in a surface of the layer of the second material by using a laser and/or a focused particle beam in order to encode information in the layer of the second material. The plurality of recesses are located at a subset of first predetermined positions and/or at a subset of second predetermined positions, wherein the first predetermined positions define a regular pattern with a center-to-center distance between directly adjacent positions corresponding to at least 75% and to at most 150% of the maximum cross-sectional dimension of the recesses. The second predetermined positions define a regular pattern with a center-to-center distance between directly adjacent positions corresponding to at least 75% and to at most 150% of the maximum cross-sectional dimension of the recesses, wherein the center-to-center distance between any of the first predetermined positions and a directly adjacent second predetermined position is smaller than 75% of the maximum cross-sectional dimension of the recesses, and wherein for each pair of directly adjacent first and second predetermined positions only one of these directly adjacent first and second predetermined positions is occupied by a recess.

UV-VIS CURABLE SECURITY INKS COMPRISING TAGS AND SECURITY FEATURES OBTAINED THEREOF

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.

SECURITY DOCUMENT AND SYSTEM FOR CHECKING THE SECURITY DOCUMENT

Nº publicación: EP4774144A1 15/07/2026

Solicitante:

ANY BIZTONSAGI NYOMDA NYRT [HU]
Any Biztons\u00E1gi Nyomda Nyrt.

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).