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41
resultados
Última actualización
14/06/2025 [07:35:00]
Resumen de: US2025187036A1
The invention relates to the field of the protection of security documents such as for example banknotes and identity documents against counterfeit and illegal reproduction. In particular, the present invention provides methods for producing optical effect layers (OELs) exhibiting one or more indicia (×30) on a substrate (×20), said method comprising a step of exposing a coating layer (×10) comprising non-spherical magnetic or magnetizable pigment particles to a magnetic field of a magnetic-field generating device so as to orient at least a part of the magnetic or magnetizable pigment particles; a step of applying a top coating composition on top of the coating layer (×10) and in the form of one or more indicia (×30), and a step of at least partially curing the coating layer (×10) and the one or more indicia (×30) with a curing unit (×50).
Resumen de: US2025188300A1
The present invention provides a photoluminescent security ink for continuous ink-jet printing, wherein said ink has a viscosity of about 1.5 mPas to about 6 mPas at 25° C., and comprises: a) from about 4 wt-% to about 6 wt-% of uncapped NaX1-y-zF4YbyZz nanoparticles; b) from about 1.5 wt-% to about 10 wt-% of a dispersing agent; c) from about 80 wt-% to about 90 wt-% of an organic solvent; and d) from about 0.1 wt-% to about 1 wt-% of a conductive salt, as well as a process for producing said ink, and a process for manufacturing a photoluminescent security feature on an article, or a value document, with said ink.
Resumen de: AU2023374712A1
The invention relates to the field of UV curable security ink compositions comprising rylene-based compounds, radically curable monomers, oligomers or mixtures thereof, and radical photoinitiators. The invention further relates to security features obtained by applying or printing the security ink compositions, articles or documents containing said security features and method of preparing the security features comprising the UV curable security ink compositions.
Resumen de: US2025187360A1
The present invention relates to a smart and secure label stock with security features. The present invention relates to a label stock produced from a substrate utilizing adhesive and liner materials and having a plurality of security features on the rear side of the substrate made using specialized inks and various authentication features for different applications.
Resumen de: US2025187361A1
The invention relates to a data carrier (10) with two different motif images which are visible from opposite faces of the data carrier, namely a front-side motif (22) and a back-side motif (32). According to the invention, it is provided that the data carrier (10) has a multi-layer structure with an upper motif layer (52), a lower motif layer (62) and an intermediate layer (40) arranged between the motif layers (52, 62) and which is at least partially translucent. It is further provided that a partial motif (22A, 22B) of the front-side motif (22) is arranged in the upper and lower motif layers (52, 62) and the two partial motifs (22A, 22B) complement each other to form the front-side motif (22) when the data carrier is viewed from the front and/or respectively one partial motif (32A, 32B) of the back-side motif (32) is arranged in the upper and lower motif layers (52, 62) and the two partial motifs (32A, 32B) complement each other to form the back-side motif when the data carrier is viewed from the back and that the upper and lower motif layers (52, 62) are each formed by a laser-modified printing ink, the motif information of which, produced by laser exposure and forming the front-side motif (22) and the back-side motif (32), is only visible when viewed in reflected light, but not when viewed in transmitted light.
Resumen de: WO2024027882A1
A security element for a value document comprises: a first concealed motif region having a first luminescence layer with at least one first excitation wavelength in the UV-A range; and a second concealed motif region having a second luminescence layer with at least one second excitation wavelength in the UV-A range that is different from the at least one first excitation wavelength.
Resumen de: US2024048662A1
Systems and methods applicable, for instance, to the generation and usage of authentication images. In one aspect, unauthorized attempts to duplicate authentication images can be thwarted. In another aspect, there can be provision for authorized authentication image generation using low-resolution print devices.
Resumen de: CN119654240A
The invention relates to a security element (1) for value documents, said security element (1) comprising: an optically variable main surface pattern (2) comprising a metal layer (4) having a relief structure (4a); and at least one hidden secondary surface pattern (3), which comprises a plurality of elements (6) perforated on the metal layer (4) and at least one light-emitting layer (7), which is arranged at least in the region of the secondary surface pattern (3).
Resumen de: WO2025111658A1
This disclosure relates to a tag comprising an identifier visually representing first information and a mechanism to change the tag from a first state relating to the tag being unaltered where the machine readable identifier is inaccessible to a second state relating to the tag being altered where the machine-readable identifier is accessible. The machine-readable identifier comprises a substance that has a first configuration in the first state of the tag and changes to a second configuration in the second state of the tag. The first information is readable in the first configuration and unreadable in the second configuration.
Resumen de: US2025178370A1
A security system for an article of manufacture includes: one or more first planchettes included in the article of manufacture and configured to luminesce when a first frequency of light is directed to the one or more first planchettes; and one or more second planchettes included in the article of manufacture and configured to luminesce when a second frequency of light is directed to the one or more second planchettes. The first and second planchettes have one or more first planchette substrates each including a first planchette surface having a first UV-reactive microprinting thereon; and one or more second planchette substrates each including a second planchette surface having a second UV-reactive microprinting thereon. The first UV-reactive microprinting is different from the second UV-reactive microprinting.
Resumen de: WO2025116320A1
The present invention relates to a hinge for a security article and a forgery determination method using the same, the hinge including: a fabric woven with a plurality of wefts and a plurality of warps; and a security element containing a fluorescent substance having a light emitting wavelength when irradiated with excitation light. At least a portion of the fabric includes a special yarn, and the security element includes: a first security element including a security yarn included in at least a portion of the plurality of wefts and warps; a second security element including a security pattern located on the fabric; or a combination thereof. Improving both the durability and security of the hinge has the advantages that chemical and physical damage due to the external environment and man-made damage can be prevented, and the area of contact between a security material harmful to the human body and the body of a person possessing the security material can be significantly reduced.
Resumen de: GB2635891A
A method for the manufacture of an optical security element 3 comprises providing a substrate 10 having diffractive optically active relief 20 formed on or applied to a surface (14, Fig.1) thereof; applying to said surface of the substrate a layer of a composition comprising particles of a material having a refractive index different from the refractive index of the material of the substrate, the composition being applied in the form of a sol; drying the applied sol layer to form a xerogel intermediate layer 30 comprising the said different refractive index material; and applying over the xerogel intermediate layer 30 at least one covering layer 40 for protecting the surface optical relief on the substrate against subsequent mechanical damage. The substrate material may have a refractive index in the range of from about 1.4 to about 1.6. The particles may comprise or are composed of a material with a refractive index in the range of from about 1.6 or 1.7 or 1.8 up to about 2.55 or 2.6. The particles may be composed of or comprise an inorganic material being a metal (e.g. aluminium (Al) or copper (Cu) or a metal oxide (e.g. titanium dioxide (TiO2) nanoparticles).
Resumen de: AU2023368598A1
A composition for anti-counterfeit ink comprising organic-inorganic hybrid infrared absorbing particles and a liquid medium, wherein the organic-inorganic hybrid infrared absorbing particles have 15-55 mass% of infrared absorbing particles and a coating resin that covers at least a portion of the surface of the infrared absorbing particles.
Resumen de: WO2025110158A1
The present invention addresses the problem of providing: an information recording body which can be easily read and deciphered by a typical reading device and for which reproduction or the like is difficult; and a reading device or the like for said information recording body. This information recording body 1 comprises a substrate 2, a bright ink layer 5 formed from bright ink on one surface of the substrate 2, a colored ink layer 3 formed from colored ink, and a transparent ink layer 4 formed from transparent ink. The colored ink layer 3 forms a first pattern 100, and the transparent ink layer 4 forms a second pattern 200. In plan view, at least part of the first pattern 100 and the second pattern 200 overlaps with a region where the bright ink layer 5 is formed. The second pattern 200 includes information that can be converted into a specific code, and in plan view, at least part of the second pattern 200 overlaps with the first pattern 100.
Resumen de: WO2024013693A1
The invention concerns an anti-counterfeiting label comprising: A) a polymeric support, optionally filled with materials in the form of fibres; B) at least three inks deposited on the polymeric support according to a defined deposition sequence; and C) at least one transparent polymeric layer that covers said at least three inks; wherein each ink comprises: (i) at least one active material detectable by Raman, in the region in the range from 1500 to 2500 cm-1 with source in the visible range, having a concentration in the range from 10"5 to 10"1 M, and (ii) at least one polymeric carrier; wherein at least two of said at least three inks are different from each other; wherein said at least three inks are deposited, the one independently of the other, in at least two distinct deposition zones of the surface of the polymeric support A); and wherein said deposition sequence of said at least three inks in said at least two distinct zones of the surface of the polymeric support defines a numerical code.
Resumen de: US2025151665A1
A security planter comprises a container having a bottom and at least one groove on at least one external surface of the container, and a first display located in the groove, attached to the container and operatively connected to a controller located inside the container. A method of manufacturing of a security planter, the method comprising: welding a rebar; covering the rebar with concrete to manufacture a container; polishing external surfaces of the container with at least one diamond stone in at least three stages of polishing and then sanding the external surfaces; and after pressure washing and drying the container, applying at least one of a sealer and a coating to the external surfaces of the container.
Resumen de: WO2025098741A1
The invention relates to a method for producing a counterfeit-resilient document, to a method for handling the counterfeit-resilient document, to a device for producing the counterfeit-resilient document, to a device for handling the counterfeit-resilient document and to a system having the two devices. The counterfeit-proof document (1) has a substrate (2) to which at least one protective element (3, 4, 5) made of a luminescent, fluorescent or phosphorescent material is introduced or applied. Information is applied or introduced onto the substrate (2) and a spatial arrangement of the at least one protective element (3, 4, 5) is stored during production. A number of randomly arranged fibres may be provided.
Resumen de: US2025153499A1
A security device includes an array of microimage elements formed of at least a first material and a second material, the microimage elements of the array being integrally registered with one another. The material composition of the array of microimage elements varies across the array along a first direction such that the array of microimage elements exhibits a gradual change in relative concentration of the first and second materials along the first direction.
Resumen de: AU2023303042A1
The present invention relates to the field of processes for producing a security feature on a substrate by an intaglio printing process comprising a step a) of inking an intaglio engraved printing plate with an oxidative drying intaglio ink, said intaglio engraved printing plate being at a printing plate temperature between about 45°C and about 85°C; a step b) of wiping off any excess the oxidative drying intaglio ink using a paper of a tissue wiping system or using a polymeric wiping cylinder and cleaning said polymeric wiping cylinder with an alkaline aqueous wiping solution in combination with one or more mechanical means; a step c) of transferring said oxidative drying intaglio ink in the form of the security feature on the substrate; and a step d) of drying the oxidative drying intaglio ink in the presence of air so as to form the security feature.
Resumen de: WO2023233428A1
The present invention relates to security feature for bank notes. More particularly the present invention relates to security feature based on combination of structured magnetic elements that is composed of different coercivity areas which are applied/ deposited/printed adjacent to each other and yet separated from each other by a separating element such as a magnetic or non-magnetic ink such that different coercivity areas do not overlap each other, thereby providing a more secure, more complex and more efficient security thread, with exceptional multiple codes and method of manufacturing the same.
Resumen de: CN119486890A
The invention relates to an optically variable planar pattern. The surface pattern comprises a first sub-wavelength structure which defines a first surface region and is designed to produce at least one first color impression for an observer at at least one first viewing angle. Furthermore, the surface pattern comprises a light-transmissive color layer, which defines a second surface region and is designed to produce a second color impression. The first face region at least partially overlaps the second face region and forms a first overlap region such that the first sub-wavelength structure is covered by the light-transmissive color layer in the first overlap region. The first overlapping region is designed to generate at least one third color impression for the observer at at least one first viewing angle. The first sub-wavelength structure has a distance from the light-transmissive color layer in the first overlap region. The invention also relates to a value document having such an optically variable surface pattern and to a method for producing an optically variable surface pattern.
Resumen de: US2025067908A1
An optical security element to limit counterfeiting. The element includes a lens array with a first side and a second planar side opposite the first side. A plurality of lenses are formed on the first side of the lens array, and an ink layer is provided proximate the second planar side. The ink layer provides an interlaced image, which includes a matrix of frame or image elements under each of a plurality of lens sets or “virtual lenses,” each of which includes at least four lenses arranged in a grouping with an equal or unequal number of lenses on a side (e.g., a 2 by 2 array or a 2 by 3 array). The interlaced element are arranged in non-sequential order in two interlacing axes (e.g., via non-sequential interlacing in both directions) to be distributed throughout an area under the at least four lenses rather than under a single lens.
Resumen de: US2025146936A1
A method for generating an at least partial fluorescent property in a material is provided. The method comprises providing the material, providing a laser, arranging the material in a beam path of the laser such that the laser can selectively section wise irradiate the material, and at least section wise irradiating a surface of the material with the laser. The at least sectionwise irradiating of the surface of the material with the laser is performed until visible traces of smoke are formed on the irradiated areas of the surface of the material, whereby a fluorescent property is generated in the irradiated areas.
Resumen de: DE102023130698A1
Die Erfindung betrifft ein Verfahren zur Herstellung eines fälschungssicheren Dokuments, ein Verfahren zur Handhabung des fälschungssicheren Dokuments, eine Vorrichtung zu Herstellung des fälschungssicheren Dokuments, eine Vorrichtung zu Handhabung des fälschungssicheren Dokuments und ein System mit beiden Vorrichtungen. Das fälschungssichere Dokument (1) weist ein Substrat (2) auf, in welchem zumindest ein Schutzelement (3,4,5) aus einem lumineszierenden, fluoreszierenden oder phosphoreszierenden Material eingebracht oder aufgebracht wird. Dabei werden auf das Substrat (2) Informationen aufgebracht oder eingebracht und eine räumliche Anordnung des zumindest einen Schutzelements (3 ,4 , 5) wird bei der Erstellung gespeichert.
Nº publicación: AU2023368598A1 08/05/2025
Solicitante:
SUMITOMO METAL MINING CO LTD
SUMITOMO METAL MINING CO., LTD
Resumen de: AU2023368598A1
A composition for anti-counterfeit ink comprising organic-inorganic hybrid infrared absorbing particles and a liquid medium, wherein the organic-inorganic hybrid infrared absorbing particles have 15-55 mass% of infrared absorbing particles and a coating resin that covers at least a portion of the surface of the infrared absorbing particles.
BOPI
Sede Electrónica
