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47
results.
Updated on
07/08/2025 [08:02:00]
Absstract of: GB2637883A
A printed security feature 200 for a security document 100 including a substrate. The security feature comprises a first functional effect ink 201 printed on a first surface 203b of the substrate; and a second functional effect ink 202 printed on the first and/or a second surface 203a, 203b of the substrate, at least partially overlapping the first functional effect ink. The security feature displays a repetitive pattern of images, icons, numbers and/or texts. At least one of the first functional effect ink and the second functional effect ink may include a colour switching ink, which displays a variable colour appearance when a viewing condition and/or a viewing angle changes. At least one of the first functional effect ink and the second functional effect ink may include an ink comprising metallic ink particles, which create a metallic appearance. The first and second functional effect inks may include fluorescent, luminescent, phosphorescent, photochromic, thermochromic, hydrochromic, or piezochromic ink. The first and second functional effect inks in combination create an imagery appearance of a security thread. The security feature may comprise a non-functional effect ink.
Absstract of: PL447634A1
Przedmiotem zgłoszenia jest zabezpieczający element graficzny, naniesiony na części lub na całości nieprzezroczystego lub transparentnego w świetle widzialnym podłoża, zawierający co najmniej jeden zadrukowany obszar pierwszego rodzaju (2a, 3a), na którym naniesiona jest warstwa pierwszej farby oraz co najmniej jeden zadrukowany obszar drugiego rodzaju (2b, 3b), na którym naniesiona jest warstwa drugiej farby, przy czym warstwa pierwszej farby i warstwa drugiej farby zawierają, taki sam lub inny, co najmniej jeden pigment irydyscentny, a ponadto warstwa drugiej farby zawiera co najmniej jeden środek absorbujący promieniowanie IR. Przedmiotem zgłoszenia jest również nośnik danych oraz sposób wytwarzania nośnika danych.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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).
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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
Absstract of: 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
Nº publicación: WO2025133544A1 26/06/2025
Applicant:
CRIME SCIENCE TECH [FR]
CRIME SCIENCE TECHNOLOGY
Absstract of: WO2025133544A1
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.
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