Tintas de Seguridade

OPTICAL EFFECT LAYERS COMPRISING MAGNETIC OR MAGNETIZABLE PIGMENT PARTICLES AND METHODS FOR PRODUCING SAID OPTICAL EFFECT LAYERS

Resumen de: US2024270009A1

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 security documents and decorative articles comprising one or more optical effect layers (OELs) and methods for producing said OELs, said OELs comprising magnetically oriented platelet-shaped magnetic or magnetizable pigment particles in an at least partially cured coating layer (x40)

PRINTING MACHINE FOR PRODUCING A SECURITY DOCUMENT

Resumen de: AU2023264184A1

The invention relates to a printing machine for producing a security document (02). A counter printing cylinder (42) which guides a substrate (26) of the security document (02) and a transfer cylinder (43) which interacts with the counter printing cylinder (42) at a transfer location and which prints a printed image (27) onto the substrate (26) are provided, wherein the substrate (26) has at least one transparent window (04), and a micro-optical structure (03) consisting of microlenses (11) is provided on one face of the substrate (26) at least in the region of the transparent window (04) in question. The counter printing cylinder (42) and the transfer cylinder (43) are arranged so as to interact such that the micro-optical structure (03) consisting of microlenses (11) is arranged on one face of the substrate (26) at least in the region of the transparent window (04) in question and the at least one printed image (27) is arranged on the other substrate (26) face lying opposite the micro-optical structure (03) at least in the region of the transparent window (04). The printed image (27) in question has a plurality of image elements (28a to 28j) in a punctiform or linear pattern, each image element having a color which differs from white. A printing device is provided that applies a laminar expanded layer (39) which covers the printed image (27) in question onto at least one section of the printed image (27) in question on the printed image face facing away from the micro-optic

SECURITY DOCUMENT WITH A TRANSPARENT WINDOW FORMED IN THE SECURITY DOCUMENT SUBSTRATE

Resumen de: AU2023264715A1

The invention relates to a security document (02) with a transparent window (04) which is formed in the security document substrate (26) and which comprises a micro-optical structure (03) consisting of microlenses (11). At least one printed image (27) is arranged on the other substrate (26) face lying opposite the micro-optical structure (03) at least in the region of the transparent window (04), wherein the printed image (27) in question has multiple image elements (28a to 28j) in a punctiform or linear pattern, and the pixel size (38) or the line thickness (38) of said image elements (28a to 28j) is designed to be smaller than the lens width (18) of the microlenses (11) arranged in the micro-optical structure (03) in each case. A laminar expanded layer (39) which covers the printed image (27) in question is arranged on at least one section of the printed image (27) in question on the printed image face facing away from the micro-optical structure (03). The layer (39) which covers the printed image (27) in question is produced in an inkjet printing method, and the layer (39) is designed to be transparent to an electromagnetic radiation with a wavelength ranging from 380 nm to 780 nm, the degree of transparency to said electromagnetic radiation ranging between 10% and 90%. The transparency is designed to vary gradually over the planar two-dimensional extension of the layer (39) covering the printed image (27) in question such that at least one location of the layer (39) or so

PHOTOLUMINESCENT SECURITY INK FOR CONTINOUS INK-JET PRINTING

Resumen de: MX2024002204A

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 NaX_1-y-zF4Yb_yZ_z 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.

Particules polymères de marquage/codage d'objets, leur procédé de fabrication et composition à base de ces particules

Resumen de: FR3145564A1

L’invention vise à fournir des marqueurs pour l'identification et/ou l'authentification d’objets, notamment d'objets de valeur, et plus précisément des marqueurs, stables, efficaces, facilement synthétisables, économiques, infalsifiables et offrant des possibilités de codages multiples et complexes. L’invention concerne des particules (P) en particulier adaptées au marquage, à l'identification et/ou à l'authentification d'objets, notamment d'objets de valeur :- à base d’au moins un polymère porteur de groupements chélatants,- dont la plus grande dimension est comprise entre 0,1 et 1000 µm, de préférence entre 1 à 500 µm, encore plus préférentiellement entre 1 à 50 µm, et- auxquelles sont liés au moins un élément minéral de marquage (M) et éventuellement au moins un élément organique de marquage (O); au moins une partie de cet (ces) élément(s) minéral(aux) (M) de marquage étant chélatée par le polymère. L'invention concerne également une poudre, une suspension ou une composition comprenant ces particules P, ainsi qu'un procédé de fabrication de celles-ci.

Diffractive Structures Within Polymer Substrates, Their Manufacture and Use

Resumen de: US2024262124A1

Disclosed are optical devices suitable as security devices for document authentication, which comprise at least one two-dimensional array of elongate laser-modified tracks extending within a document substrate that have a distinct optical refractive index compared to the unmodified substrate, which can exhibit excellent diffractive effects. Also disclosed are the use of such devices for document authentication and methods for their production.

INFRARED-EXCITED INFRARED LUMINESCENT MATERIAL, PREPARATION METHOD THEREOF, SECURITY ARTICLES FOR ANTI-COUNTERFEIT

Resumen de: US2024263071A1

An infrared-excited infrared light emitting material and a preparation method thereof, and a security article for anti-counterfeit using thereof relate to a white to pale colored infrared-excited infrared light emitting material, a preparation method thereof, and an ink composition for anti-counterfeit containing the infrared exciting infrared light emitting material which visually appears white or colored, and is excited in the infrared region, emits light in the infrared region, but does not emit light in the visible region, and a security article requiring confirmation of authenticity and anti-counterfeit.

DATA CARRIER WITH MACHINE-READABLE SECURITY FEATURE, PRODUCTION METHOD AND AUTHENTICITY CHECK METHOD

Resumen de: WO2024156314A1

The invention relates to a data carrier (10), in particular a value or security document, having a substrate (20) which comprises at least one transparent plastics layer and two opposing main surfaces. The data carrier additionally contains two opaque-white layers (22, 32) having a white, opaque appearance, which are applied to the opposing main surfaces of the substrate (20). Each of the opaque-white layers (22, 32) consists of a layer sequence of two or more partial layers (24a-c, 34a-c) extending from a lowermost white layer (24a, 34a) to an uppermost white layer (24c, 34c). The data carrier also contains a machine-readable security feature which comprises a machine-readable feature substance (38) which is present in at least one of the partial layers (24c) of at least one of the opaque-white layers (22, 32).

DATA CARRIER HAVING A MACHINE-READABLE SECURITY FEATURE, PRODUCTION METHOD, AND SECURITY SUBSTRATE SHEET

Resumen de: WO2024156315A1

The invention relates to a data carrier (10), in particular a value or security document, comprising: a substrate (12) which has at least one plastics layer; and a machine-readable security feature (52, 54). According to the invention, the machine-readable security feature (52, 54) comprises a machine-readable feature material which is present in an embedding layer applied to the substrate, specifically a white covering layer (30, 34), a functional layer (32, 36), a print-receiving layer and/or a varnish layer (40).

ENERGY CONVERTING PARTICLES AND METHODS FOR THEIR USE IN SECURITY, ANTICOUNTERFEITING, AND ANTI-TAMPERING END-USES

Resumen de: WO2024158807A2

A method for security marking of an article is provided. The method includes the step of providing a marking composition. The marking composition includes one or more energy converters which emit UV and/or visible light upon interaction with an applied external energy, and, optionally, a carrier. The marking composition is applied onto at least a part of a surface of the article.

System and Method for Securing a Document with a Printed Geometric Security Background

Resumen de: US2024253386A1

A security document comprises a document substrate and a pattern of repeated geometric shapes printed on the document substrate. The pattern of repeated geometric shapes comprises a first set of the geometric shapes printed using a reactive ink and a second set of the geometric shapes printed using a non-reactive ink. The geometric shapes fit closely together without substantial overlaps. In addition, a visual appearance of the reactive ink is substantially similar to a visual appearance of the non-reactive ink. The first set of geometric shapes or the second set of geometric shapes are arranged together to form one or more hidden symbols, pantographs or messages. A method of printing the security document is also disclosed.

MICROSPHERES COMPRISING POLYDISPERSE POLYMER NANOSPHERES AND POROUS METAL OXIDE MICROSPHERES

Resumen de: AU2024204893A1

Abstract Porous metal oxide microspheres are prepared via a process comprising forming a liquid solution or dispersion of polydisperse polymer nanoparticles and a metal oxide; forming liquid droplets from the solution or dispersion; drying the liquid droplets to provide polymer template microspheres comprising polymer nanospheres and metal oxide; and removing the polymer nanospheres from the template microspheres to provide the porous metal oxide microspheres. The porous microspheres exhibit saturated colors and are suitable as colorants for a variety of end-uses. 12158540_1 (GHMatters) P113159.AU

SECURITY ELEMENT, CORRESPONDING ENGRAVED INTAGLIO PRINTING PLATE, AND METHODS AND DEVICES FOR PRODUCING, DECODING AND AUTHENTICATING SECURITY MARKING OF SAID SECURITY ELEMENT

Resumen de: AU2022421462A1

The invention relates to a security marking printed via intaglio process, corresponding engraved intaglio printing plate, and methods and devices for producing, encoding/decoding and authenticating said security marking. The security marking comprising multitone 2D intaglio patterns of intaglio modules containing encoded data according to specific encoding symbols, the decoding of which, together with measured tone values for tiny shifts around their positions at decoding stage on a digital image of said intaglio patterns in correlation with said symbols, provides a robust and precise estimation of a register error between modules of distinct tones, thus allowing to easily detect any fake marking obtained via offset printing, even with a smartphone.

ENVIRONMENTAL HISTORY MONITOR WITH SECURITY FEATURES

Resumen de: US2024253387A1

Environmental monitors for monitoring a predetermined environmental exposure, for example, an historical heat exposure such as a cumulative ambient heat exposure and/or a peak ambient heat exposure may include an environmental indicator material and a security material. The environmental monitor may be configured to attach to a host product for monitoring the predetermined environmental exposure of the host product, and additionally serve as an anti-counterfeiting indicator.

Datenträger mit maschinenlesbarem Sicherheitsmerkmal, Herstellungsverfahren und Sicherheitssubstratbogen

Resumen de: DE102023101915A1

Die Erfindung betrifft einen Datenträger (10) insbesondere ein Wert- oder Sicherheitsdokument, mit einem Substrat (12), das zumindest eine Kunststofflage umfasst, und mit einem maschinenlesbaren Sicherheitsmerkmal (52, 54). Erfindungsgemäß ist vorgesehen, dass das maschinenlesbare Sicherheitsmerkmal (52, 54) einen maschinenlesbaren Merkmalsstoff umfasst, der in einer auf dem Substrat aufgebrachten Einbettungsschicht, nämlich einer Deckweißschicht (30, 34), einer Funktionsschicht (32, 36), einer Druckannahmeschicht und/ oder einer Lackierungsschicht (40) vorliegt.

Datenträger mit maschinenlesbarem Sicherheitsmerkmal, Herstellungsverfahren und Echtheitsüberprüfungsverfahren

Resumen de: DE102023101913A1

Die Erfindung betrifft einen Datenträger (10), insbesondere ein Wert- oder Sicherheitsdokument, mit einem Substrat (20), das zumindest eine transparente Kunststofflage umfasst und zwei gegenüberliegende Hauptflächen aufweist. Der Datenträger enthält zudem zwei Deckweißschichten (22, 32) mit einem weißen, opaken Erscheinungsbild, die auf die gegenüberliegenden Hauptflächen des Substrats (20) aufgebracht sind. Jede der Deckweißschichten (22, 32) besteht aus einer Schichtfolge aus zwei oder mehr Teilschichten (24a-c, 34a-c), die von einer untersten weißen Schicht (24a, 34a) bis zu einer obersten weißen Schicht (24c, 34c) reicht. Das Datenträger enthält auch ein maschinenlesbares Sicherheitsmerkmal, das einen maschinenlesbaren Merkmalsstoff (38) umfasst, der in zumindest einer der Teilschichten (24c) zumindest einer der Deckweißschichten (22, 32) vorliegt.

SECURITY DOCUMENT AND METHODS OF MANUFACTURING THE SAME

Resumen de: US2024253384A1

A security document includes a security feature with a hologram and a color image arranged on top of each other. Holographic features of the hologram are visible when the security document is viewed under white light, and a plurality of image features of the color image are visible when the document is viewed under UV light. The image features are perfectly aligned with the holographic features. This can be achieved, for example, by providing one or more registration marks when forming the holographic features, and using said registration marks to later print the color image. Another possibility is to use the structure of the hologram to selectively apply two or more UV-sensitive ink materials onto the hologram to automatically align the same with the holographic features.

LIGHT-EMITTING ELECTROCHEMICAL CELL, SECURITY ELEMENT, SECURITY SYSTEM, METHOD OF OPERATION AND METHOD OF PRODUCTION

Resumen de: SE2151145A1

A light-emitting electrochemical cell (1, 1’, 1”, 1”’) comprises a substrate (10), a first electrode (11), an emission layer (13), contacting the first electrode (11) and providing a first 2D pattern, which is made up by the emission layer being visually distinguishable, and a second electrode (14). The emission layer (13) provides a second 2D pattern, which is made up by first portions (131a, 131b; 132a, 132b) which are passive with respect to photoluminescence and second portions (133) of the emission layer which are active with respect to photoluminescence, and a third 2D pattern is provided by regions, which are active with respect to electroluminescence, where the first and second electrodes (11, 14) overlap and electrically contact the second portions (133) of the emission layer (13).There is also disclosed a security element, a security system and methods of operating and manufacturing the light-emitting electrochemical cell (1, 1’, 1”, 1”’).

SECURITY DOCUMENT AND METHODS OF MANUFACTURING THE SAME

Resumen de: EP4406751A1

A security document (10) includes a security feature (3) with a hologram (7) and a color image (6) arranged on top of each other. Holographic features (27) of the hologram (7) are visible when the security document (10) is viewed under white light, and a plurality of image features (26) of the color image (6) are visible when the document (10) is viewed under UV light. The image features (26) are perfectly aligned with the holographic features (27). This can be achieved, for example, by providing one or more registration marks when forming the holographic features, and using said registration marks to later print the color image (6). Another possibility is to use the structure of the hologram (7) to selectively apply two or more UV-sensitive ink materials onto the hologram (7) to automatically align the same with the holographic features (27).

Plastics material with fluorescent particles and licence plate assembly comprising said material

Resumen de: GB2626524A

A license plate assembly for a vehicle comprises an information sheet 4 having licence information printed thereon. The information sheet is formed from a plastic material with a plurality of fluorescent particles or elements 2 suspended therein. The fluorescent particles or elements 2 are arranged to emit visible light when exposed to an ultraviolet light source. Alternatively, the license plate assembly comprises an information sheet 4 with a transparent cover sheet 6 covering the information sheet. The cover sheet is formed from the plastics material having the plurality of fluorescent particles or elements suspended therein. The information sheet may be mounted to a base plate, e.g. by tamperproof fixing means, and fixed to the vehicle.

METHOD FOR PRODUCING A DATA CARRIER HAVING A LUMINESCENT SECURITY ELEMENT, AND DATA CARRIER

Nº publicación: EP4405180A1 31/07/2024

Solicitante:

GIESECKE DEVRIENT CURRENCY TECH GMBH [DE]
Giesecke+Devrient Currency Technology GmbH

Resumen de: WO2023046319A1

The invention relates to a method for producing a data carrier (10) having a luminescent security element (14) comprising at least two portions (22, 24) which at least do not completely overlap one another. In the method: a desired target color location is specified in a step Z); a first printing ink is provided in a step B1), which first printing ink generates a first color impression when illuminated with white light and which, when illuminated with excitation light, has a first visible luminescence, and generates a second color impression which corresponds to the specified target color location; and a second printing ink is provided in a step B2), which second printing ink also generates the first color impression when illuminated with white light and which, when illuminated with the excitation light, has a second visible luminescence, and generates a third color impression which has a different color location and/or a different brightness than the first printing ink. In the method, printing inks are provided in step B1) and step B2) as first and second printing ink, the remission and luminescence of each of which show substantially the same level of stability in respect of environmental impacts. In a step D), the luminescent security element (14) is produced on the data carrier (10), wherein a first portion (22) is printed onto the data carrier (10) using the first printing ink and a second portion (24) which at least does not completely overlap the first portion is print