Alerta

BIODEGRADABLE VALUE-DOCUMENT SUBSTRATE

Resumen de: AU2024256756A1

The invention relates to a machine-recognizable biodegradable, polymeric value-document substrate, comprising a polymeric composite substrate based at least substantially on renewable resources, and at least one machine-recognizable characteristic substance embedded in the composite substrate, wherein the machine-recognizable characteristic substance has a characteristic luminescence emission upon excitation with light having a suitable wavelength, in particular upon excitation with light in the UV-wavelength range or IR-wavelength range.

MAGNETIC PARTICLE FOR SECURITY INK AND SECURITY INK COMPRISING THE SAME

Resumen de: US2025242629A1

Disclosed are a magnetic particle and a security ink containing the same. The magnetic particle includes a magnetic core, and a metal coating layer formed outside the magnetic core. The magnetic particle has a surface roughness (Ra) of 0.15 μm or less. The magnetic particle according to the present invention is suitable for application to a security ink because an abnormal increase in particle size does not occur after the metal coating layer is formed.

METHOD FOR PRODUCING A SECURITY FEATURE ON A CARRIER SUBSTRATE FOR VALUE OR SECURITY DOCUMENTS

Resumen de: WO2024061899A2

The invention relates to a method for producing a security feature on a carrier substrate for value or security documents, which security feature absorbs in the infrared range and is at least substantially transparent and/or not visible in the visible spectral range, wherein, in the method, IR-absorbing colourants are mixed with a binder and/or solvent to produce a colourant dispersion or solution and this is applied to the carrier substrate, wherein the carrier substrate is an organic substrate containing carbonate groups (-O-C(=O)- O-) and the IR absorbing colourants are dyes or pigments selected from the group of organometallic pigments, perylene derivatives, dithio dyes, dithiolene dyes, cyanines and phthalocyanines.

METHOD FOR PRODUCING A SECURITY FEATURE ON A CARRIER SUBSTRATE FOR VALUE OR SECURITY DOCUMENTS

Resumen de: WO2024061899A2

The invention relates to a method for producing a security feature on a carrier substrate for value or security documents, which security feature absorbs in the infrared range and is at least substantially transparent and/or not visible in the visible spectral range, wherein, in the method, IR-absorbing colourants are mixed with a binder and/or solvent to produce a colourant dispersion or solution and this is applied to the carrier substrate, wherein the carrier substrate is an organic substrate containing carbonate groups (-O-C(=O)- O-) and the IR absorbing colourants are dyes or pigments selected from the group of organometallic pigments, perylene derivatives, dithio dyes, dithiolene dyes, cyanines and phthalocyanines.

Sistema de marcadores de seguridad

Resumen de: WO2024018226A1

A security or identification system including the application of two or more marker portions or stripes (4a-4d) that include one or more compounds or mixture of compounds that fluoresce under exposure to electromagnetic radiation. The marker portions emit light at different wavelengths to each other when exposed to said electromagnetic radiation.

OFFLINE METHOD FOR CLEARLY MARKING AND IDENTIFYING PHYSICAL OBJECTS

Resumen de: US2025239122A1

The present invention relates to a method for clearly marking and a method for identifying physical objects, a method for offline verification of a physical object, a method for hybrid offline and online verification of a physical object, a method for expanding the marking by further unique codes, a physical object having an optical security feature for clearly marking and identifying, a serialization and/or track & trace system based on an optical security feature such as this, and the use of an optical security feature such as this in a serialization and/or track & trace system and/or for object authentication, for offline verification and/or hybrid offline and online verification of a physical object and in a method for expanding the marking by further unique codes.

IMPROVED SCRATCH PAD AND INK

Resumen de: US2025239186A1

A scratch-off coating is provided which includes a first layer of ink comprised of a water-based ink; and a second layer of ink comprised of an ultraviolet-cured ink layered over said first layer of ink, wherein upon application of a scratching force said first layer of ink and said second layer of ink are removable from a surface on which said first layer of ink and said second layer of ink are applied.

TAMPER-EVIDENT PACKAGING

Resumen de: WO2025153827A1

Method of preparing tamper-evident packaging and a customisable tape (12, 22) for preparing tamper-evident packaging. The method comprises applying the tape to a packaging container (10), wherein the tape comprises a laser-imageable layer (220, 125, 330, 340, 230) and an adhesive layer (220, 225, 230, 240), and wherein the laser-imageable layer is formed within or adjacent to the adhesive layer. An image (13, 23) is created in the laser-imageable layer by irradiation with a laser before or after the application of the tape to the container. The tape is configured such that the image is at least partially transferred onto the container following application and the transferred image (16, 26) remains on the packaging container if a substrate (120, 125, 130, 140) of the tape, having the non-transferred part (15) of the image, is removed. A hidden release layer (440, 430) can be provided.

Surface applied micro-optic anti-counterfeit security device

Resumen de: AU2025205090A1

A security device made up of a security film (130) having (i) an array of image elements (103); (ii) an array of focusing elements (106); and (iii) at least one anti-viscid agent (115), is provided. The array of focusing elements and the array of image elements are disposed relative to each other such that a synthetic image is projected by the security film when at 5 least a portion of the array of image elements are viewed through at least a portion of the array of focusing elements. The anti-viscid agent is coupled with the array of focusing elements. A security device made up of a security film (130) having (i) an array of image elements (103); (ii) an array of focusing elements (106); and (iii) at least one anti-viscid agent (115), is provided. The array of focusing elements and the array of image elements are disposed 5 relative to each other such that a synthetic image is projected by the security film when at least a portion of the array of image elements are viewed through at least a portion of the array of focusing elements. The anti-viscid agent is coupled with the array of focusing elements. ul u l s e c u r i t y d e v i c e m a d e u p o f a s e c u r i t y f i l m ( ) h a v i n g ( i ) a n a r r a y o f i m a g e e l e m e n t s ( ) ; ( i i ) a n a r r a y o f f o c u s i n g e l e m e n t s ( ) ; a n d ( i i i ) a t l e a s t o n e a n t i - v i s c i d a g e n t ( ) , i s p r o v i d e d h e a r r a y o f f o c u s i n g e l e m e n t s a n d t h e a r r a y o

Applying and Using Unique Unclonable Physical Identifiers

Resumen de: US2025229563A1

In a general aspect, unique unclonable physical identifiers are applied and used. A method of applying the unique marker can include receiving an object having a surface feature and forming a unique marker on the surface feature of the object. The unique marker includes a distribution of elements and conforms with a morphology of the surface feature. The method further includes extracting orientation information from the unique marker. The orientation information can indicate relative spatial orientations of the respective elements. The method additionally includes generating a unique code for the object based on the orientation information. The surface feature can be facets, surface patterns, textures, or other indentations of the object. The surface feature can include a region of the object that is susceptible to tampering.

METHOD FOR PRODUCING A MICRO-OPTICAL DISPLAY ARRANGEMENT AND MICRO-OPTICAL DISPLAY ARRANGEMENT

Resumen de: WO2025149133A1

The invention relates to a method for producing a micro-optical display arrangement, which has a coloured motif layer (26) arranged in a motif plane and has a plurality of multi-coloured micro-motif elements (28-1, 28-2) and a focusing element grid (24) made of a plurality of micro-focusing elements for viewing the micro-motif elements (28-1, 28-2), wherein in the method for producing the coloured motif layer (26) - a coloured layer (200; 204; 212) that is light-sensitive at least in some regions is arranged in the motif plane and is exposed to exposure radiation (B1; B2; B) through the focusing element grid (24) and is <b>thereby</b> modified in the exposed regions (202; 206; 218). The solubility of the light-sensitive layer (e.g. photoresist) can be changed and then removed in regions. The laser radiation can remove regions of the light-sensitive layer or change its colour, reflection and/or transmission properties. The motif layer can have recesses (34, 36) of different depths that can be filled with two different colours (40, 42).

PERSONALIZABLE SECURITY DOCUMENT AND METHOD OF PERSONALIZING THE SAME

Resumen de: US2025229566A1

A personalizable security document includes a combination of two secure features, namely, a laser-engravable material, and a hologram overlapping the laser-engravable material. The metallic properties of the laser-engravable material result in an enhancement of the holographic effect obtained from the hologram. Additionally, the hologram may extend to other portions of the security document in a continuous manner, for example, as a full-page hologram. This may connect the secondary image formed in the laser-engravable material with other features provided in different portions of the security document to further increase the security.

3D EFFECT PRINTING METHOD

Resumen de: WO2025149523A1

A method of creating a 3-D effect printed image, which may also have a holographic effect, and a gravure printing press apparatus that can be used in said method.

Verfahren zum Erzeugen einer mikrooptischen Darstellungsanordnung und mikrooptische Darstellungsanordnung

Resumen de: DE102024100948A1

Die Erfindung betrifft ein Verfahren zum Erzeugen einer mikrooptischen Darstellungsanordnung, die eine in einer Motivebene angeordnete farbige Motivschicht (26) mit einer Mehrzahl von verschiedenfarbigen Mikromotivelementen (28-1, 28-2) und ein Fokussierelementraster (24) aus einer Mehrzahl von Mikrofokussierelementen zur Betrachtung der Mikromotivelemente (28-1, 28-2) aufweist, wobei bei dem Verfahren zur Herstellung der farbigen Motivschicht (26)- in der Motivebene eine zumindest bereichsweise lichtempfindliche, farbige Schicht (200; 204; 212) angeordnet wird und- die lichtempfindliche Schicht (200; 204; 212) durch das Fokussierelementraster (24) hindurch mit Belichtungsstrahlung (B1; B2; B) beaufschlagt und dadurch in den beaufschlagten Bereichen (202; 206; 218) modifiziert wird.

PERSONALIZABLE SECURITY DOCUMENT AND METHOD OF PERSONALIZING THE SAME

Resumen de: EP4585424A1

A personalizable security document (10) includes a combination of two secure features, namely, a laser-engravable material (6), and a hologram (4) overlapping the laser-engravable material (6). The metallic properties of laser-engravable material (6) result in an enhancement of the holographic effect obtained from the hologram (4). Additionally, the hologram (4) may extend to other portions of the security document (10) in a continuous manner, for example, as a full-page hologram. This may connect the secondary image formed in the laser-engravable material (6) with other features provided in different portions of the security document (10) to further increase the security.

WATER-BASED DE-METALLIZATION RESIST

Resumen de: US2025222713A1

The present invention relates to a method of protecting a metal surface from damage or removal during an alkaline de-metallization process, comprising printing a water-based resist composition onto a metal-coated filmic substrate, thereby protecting the metal surface from damage or removal during the de-metallization process, wherein the water-based resist composition comprises a cationic acid-soluble resin or cationic acid-stabilized resin and water.

LAMINATED CARD COMPRISING A THERMOCHROMIC PATTERN AND METHOD FOR MANUFACTURING SUCH A CARD

Resumen de: WO2024047285A1

The invention relates to a laminated card and a method for manufacturing such a card. The card comprises, in order: a thermoplastics backing layer (100); an adhesive layer (101); a primer layer (102); a thermochromic pattern (103) which is printed using a thermochromic ink; and a plastics protective layer (104). The primer layer is suitable for the thermochromic ink, enabling good adhesion of the thermochromic pattern to the lower layers, i.e. to the backing layer via the adhesive layer. The adhesive layer (101) and the primer layer (102) are both water-based or both polymerised under UV radiation. The thermochromic ink comprises a liquid crystal compound.

DISPLAY BODY

Resumen de: WO2025142741A1

Provided is a display technique that enables special image display. This display body (1A) comprises: a transparent material layer (2) having a first main surface (S1) and a second main surface (S2); a mask layer (3) provided on the first main surface and having light transmission portions (32) regularly arranged; and an image display layer provided on the second main surface. The image display layer includes a first layer (4B) for displaying a first color, and a second layer (4R) for displaying a second color different from the first color. The first layer includes first portions (41B) arranged, in one arrangement direction of the light transmission portions, at the same pitch as the pitch of the light transmission portions in the one arrangement direction. The second layer includes second portions (41R) arranged alternately with the first portions in the aforementioned arrangement direction. The first and second portions each include a first region which can be observed through one of the light transmission portions when observed from a normal direction perpendicular to the first main surface, and a second region which cannot be observed through any of the light transmission portions when observed from the normal direction.

SECURITY INK COMPOSITION AND MACHINE-READABLE SECURITY FEATURE DERIVED THEREFROM

Resumen de: CN119768284A

A security ink composition comprising at least one non-luminescent undoped Y3Fe5-xMxO12 based pigment wherein x satisfies the condition 0 < = x < = 1.25; m is selected from the group consisting of aluminum, gallium or calcium and mixtures thereof; and wherein upon drying and/or curing, at least one machine-readable security feature derived from the application of the security ink composition, preferably printing, has a comprehensive susceptibility of at least about 200 x 10-12 m3, and exhibits ferromagnetic resonance (FMR) characteristics for authentication purposes. A method for authenticating a machine-readable security feature derived from a security ink composition.

FIBERS FOR VERIFYING FABRIC AUTHENTICITY AND SYSTEM FOR VERIFYING FABRIC AUTHENTICITY BY USING SAME

Resumen de: EP4579009A1

The present invention relates to fibers for verifying fabric authenticity, which exhibit the functionality of verifying fabric authenticity by mixing a special pigment with fibers, and a system for verifying fabric authenticity by using the fibers. The fibers for verifying fabric authenticity of the present invention, which comprise an infrared light-emitting body, are included inside yarn or fabric to provide an effect of verifying authenticity or preventing forgery. For example, analysis for authenticity identification is complicated and impossible for certain functional products after fabric manufacture, but the fabric authenticity verification fibers of the present invention enable rapid and accurate authenticity identification.

Dispositif d’authentification

Resumen de: FR3157592A1

L’invention a pour objet un dispositif d’authentification (1) d’un véhicule d’information (2) configuré pour encapsuler au moins une donnée relative à un produit ou une personne, le dispositif d’authentification (1) comprenant une zone, dite zone d’authentification (4), la zone d’authentification (4) comprenant au moins une couche (7) munie dudit véhicule d’information (2) et un élément optiquement variable (6) présentant une variation entre une première apparence et une deuxième apparence de sorte que, dans un premier état, la zone d’authentification (4) et/ou le véhicule d’information (2) présente la première apparence et que, dans un deuxième état, la zone d’authentification (4) et/ou le véhicule d’information (2) présente la deuxième apparence, un basculement entre la première apparence et la deuxième apparence étant effectué par une variation selon l’angle de vue, d’éclairage ou un stimulus physico-chimique. . Figure de l’abrégé : Figure 1

ELEMENT DE SECURITE POUR UN DOCUMENT DE SECURITE ET DOCUMENT DE SECURITE COMPORTANT UN TEL ELEMENT DE SECURITE

Resumen de: FR3157268A1

L’invention concerne un élément de sécurité (2) pour un document de sécurité, l’élément de sécurité (2) étant multicouche et comportant une face supérieure (12) et une face inférieure (13) entre lesquelles sont superposées dans cet ordre, de la face supérieure (12) à la face inférieure (13) : - une couche translucide d’encre colorée (15), - une couche de support (17) au moins partiellement, de préférence totalement, transparente ou translucide, - une couche de microstructures en relief à réflexion variable (19) de sorte à définir un effet optique variable en fonction de l’angle d’observation et/ou d’illumination depuis la face supérieure (12), et - une couche (21) comportant des particules plasmoniques, de préférence une couche (21) d’encre plasmonique. L’invention concerne également un document de sécurité comportant au moins un tel élément de sécurité (2). Figure pour l’abrégé : Fig. 2

OPACIFYING SYSTEMS FOR POLYMERIC TRANSPARENT SUBSTRATES

Resumen de: WO2025129444A1

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.

SYSTEM AND METHOD FOR GENERATING HOLOGRAPHIC OPTICAL IMAGES IN CURABLE MATERIAL

Resumen de: US2025208566A1

A system for generating variable optical images in curable material using generic optical matrices, the system including an applicator configured to apply the curable material to a portion of a substrate supported by a carrier web; a transparent roller comprising surface elements formed on an outside surface of the transparent roller, the transparent roller being configured to form optical structures in the curable material, wherein the surface elements on the transparent roller form the optical structures in the curable material when the surface elements contact the curable material as the substrate travels over the outside surface of the transparent roller; a radiation source within or outside the transparent roller configured to cure the curable material after the optical structures are formed in the curable material; and an image generation component configured to obliterate portions of the optical structures to form a predetermined image.

SECURITY ELEMENT FOR A SECURITY DOCUMENT AND SECURITY DOCUMENT COMPRISING SUCH A SECURITY ELEMENT

Nº publicación: WO2025133332A1 26/06/2025

Solicitante:

OBERTHUR FIDUCIAIRE SAS [FR]
OBERTHUR FIDUCIAIRE SAS

Resumen de: WO2025133332A1

The invention relates to a security element (2) for a security document, the security element (2) being multilayer and comprising an upper face (12) and a lower face (13) between which faces there are superposed, in this order, from the upper face (12) to the lower face (13): - a translucent layer of coloured ink (15), - an at least partially, preferably totally, transparent or translucent backing layer (17), - a relief-structures layer (19) exhibiting variable reflection so as to define an optical effect that varies according to the angle at which it is viewed and/or illuminated from the upper face (12), and - a layer (21) comprising plasmonic particles, preferably a layer (21) of plasmonic ink. The invention also relates to a security document comprising at least one such security element (2).