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46
results.
Updated on
20/12/2024 [09:47:00]
Results 25 to 46 of 46
Absstract of: US2024375424A1
A secure device for securing an article that includes at least one connection element, at least one data carrier, and at least one security element. The connection element is configured to be connected to the article, and the data carrier is in connection with the connection element and is configured to be connected to the article via the connection element. The connection element is configured to interact with impinging electromagnetic radiation such, that at least one marking element is generated in the connection element upon the impingement of the electromagnetic radiation. The data carrier is configured to interact with impinging electromagnetic radiation such, that at least one further marking element is generated in the data carrier upon the impingement of the electromagnetic radiation. The security element comprises or consists of the marking element of the connection element and of the further marking element of the data carrier.
Absstract of: DE102023111992A1
Die Erfindung betrifft ein Sicherheitselement (20) zur Absicherung von Wertgegenständen (10), mit einer Motivschicht auf Basis eines flüssigkristallinen Materials, das zu Ausbildung eines latenten Motivs ausgelegt und bestimmt ist. Erfindungsgemäß ist dabei vorgesehen, dass das Sicherheitselement (20) eine auf einer Trägerfolie (22) angeordnete erste Prägelackschicht (26), eine partiell vorliegende Motivschicht (30) auf Basis eines nematischen flüssigkristallinen Materials und eine ein- oder mehrschichtige vollflächig vorliegende zweite Prägelackschicht (34) umfasst. Die erste Prägelackschicht (26) ist mit einer Prägung versehen, die zur Ausbildung eines zweiten latenten Motivs zumindest zwei Bereiche (28A, 28B) mit Ausrichtungsstrukturen unterschiedlicher Orientierung aufweist. Die Motivschicht (30) ist in Form eines ersten latenten Motivs bereichsweise direkt auf der ersten Prägelackschicht (26) und überlappend mit den das zweite latente Motiv bildenden Bereichen (28A, 28B) angeordnet. Dabei ist das flüssigkristalline Material durch die motivbildenden Bereiche in Form des zweiten latenten Motivs mit jeweils unterschiedlicher Orientierung homogen ausgerichtet, so dass das von den unterschiedlichen Ausrichtungsstrukturen gebildete Motiv bei Betrachtung durch einen Polarisator erkennbar ist. Die zweite Prägelackschicht (24) ist mit einer Prägung zur Erzeugung einer mikrooptischen Reliefstruktur (38) und einer reflexionserhöhenden Beschichtung (36) versehen.
Absstract of: US2024375425A1
A security feature for a value document, into which positives of a representation are introduced by at least one laser beam, includes at least one laser-sensitive recording layer which is transparent in the visible spectral range, light-diffracting or light-refracting structures that are arranged on a first side of the recording layer, a positive and an image-processed positive. One of the positives or the image-processed positive is introduced into the at least one recording layer by a laser beam from a first direction through the light-diffracting or light-refracting structures and is visible when viewed from the first direction. The other of the positives or the image-processed positive is introduced into the at least one recording layer by a laser beam from a second direction and is visible when viewed from the second direction.
Absstract of: WO2024231418A1
The present invention relates to compositions, comprising silver nanoplatelets, wherein the silver nanoplatelets are capped by a compound of formula (XX), wherein R41 is a C4-C25alkyl group, which may be interrupted by one, or more oxygen atoms, and n is a number 1 to 10, especially 1 to 4, very especially 1, or 2, a process for its production, printing inks containing the compositions and their use in security products. The capping with the compound of formula (XX) renders the surface on the nanoparticles more hydrophobic, while maintaining colloidal stability of their dispersions in organic solvents and/or monomer compositions. This combination of properties allows for production of stable UV curable coating/printing compositions, suitable for manufacture of dichroic security elements for protection of value documents. The surface modification, described in the present invention is suitable for silver nanoplatelets of different sizes and, correspondingly, colors, and is especially useful for manufacture of solvent-free coating, or printing compositions.
Absstract of: US2024375423A1
A security element for safeguarding of articles of value, has a motif layer based on a liquid-crystalline material intended and destined to form a latent motif. The security element includes a first embossing varnish layer disposed on a carrier film, a partial motif layer based on a nematic liquid-crystalline material, and a single- or multilayer second embossing varnish layer present over the full area. The first embossing varnish layer has been provided with an embossment having at least two regions with alignment structures of different orientation for formation of a second latent motif. The motif layer, in the form of a first latent motif, is disposed in regions directly atop the first embossing varnish layer and in an overlapping arrangement with the regions that form the second latent motif.
Absstract of: EP4461555A1
Die Erfindung betrifft ein Sicherheitselement (20) zur Absicherung von Wertgegenständen (10), mit einer Motivschicht auf Basis eines flüssigkristallinen Materials, das zu Ausbildung eines latenten Motivs ausgelegt und bestimmt ist. Erfindungsgemäß ist dabei vorgesehen, dass das Sicherheitselement (20) eine auf einer Trägerfolie (22) angeordnete erste Prägelackschicht (26), eine partiell vorliegende Motivschicht (30) auf Basis eines nematischen flüssigkristallinen Materials und eine ein- oder mehrschichtige vollflächig vorliegende zweite Prägelackschicht (34) umfasst. Die erste Prägelackschicht (26) ist mit einer Prägung versehen, die zur Ausbildung eines zweiten latenten Motivs zumindest zwei Bereiche (28A, 28B) mit Ausrichtungsstrukturen unterschiedlicher Orientierung aufweist. Die Motivschicht (30) ist in Form eines ersten latenten Motivs bereichsweise direkt auf der ersten Prägelackschicht (26) und überlappend mit den das zweite latente Motiv bildenden Bereichen (28A, 28B) angeordnet. Dabei ist das flüssigkristalline Material durch die motivbildenden Bereiche in Form des zweiten latenten Motivs mit jeweils unterschiedlicher Orientierung homogen ausgerichtet, so dass das von den unterschiedlichen Ausrichtungsstrukturen gebildete Motiv bei Betrachtung durch einen Polarisator erkennbar ist. Die zweite Prägelackschicht (24) ist mit einer Prägung zur Erzeugung einer mikrooptischen Reliefstruktur (38) und einer reflexionserhöhenden Beschichtung (36) versehen.
Absstract of: EP4461556A2
The invention generally relates to a security sheet or document having one or more enhanced watermarks. In one exemplary embodiment, the inventive security sheet or document is a single-ply paper that is made up of a paper layer including one or more watermarks, and a micro-optic security device (e.g., a patch or thread) that at least partially covers an upper or face portion of the watermark(s). The overlying patch or thread increases the durability of the watermark(s), thereby allowing for the watermark(s) as well as reduced fiber density areas therein to be made larger, and further allowing for the reduced fiber density areas to be made thinner. In a preferred embodiment, the micro-optic security device projects one or more synthetic images that coordinate or link in with the watermark design(s). In a more preferred embodiment, the micro-optic security device offers a machine detectable/readable feature in the form of enhanced IR-brightness, especially when measured in transmission. As will be readily appreciated, the inventive security sheet or document offers greatly improved counterfeit-resistance.
Absstract of: US2024367454A1
The invention relates to a security feature for a security and/or value document which comprises a mixture of electrically conductive field displacement elements which are electrically insulated within the security or value document, and a zinc sulfide luminophore in the form of particles, which mixture is applied to a security and/or value document by means of a printing technology. The zinc sulfide luminophore has the general chemical formula ZnS: Cux, My, Xz. Here, M represents one or more elements from a group comprising the chemical elements Co, In and Ni; X represents one or more elements from a group comprising the halides F, Cl, Br and I; 0
Absstract of: US2024371226A1
An optical device includes an array of lenses and a plurality of first and second segments disposed under the array of lenses. At a first viewing angle, the array of lenses presents a first image for viewing without presenting the second image for viewing, and at a second viewing angle different from the first viewing angle, the array of lenses presents for viewing the second image without presenting the first image for viewing. In some examples, individual ones of the first and second segments can comprise specular reflecting, transparent, diffusely reflecting, and/or diffusely transmissive features. In some examples, individual ones of the first and second segments can comprise transparent and non-transparent regions. Some examples can incorporate more than one region producing an optical effect.
Absstract of: US2024370683A1
A method for detecting a component including a concealed pattern includes: detecting infrared electromagnetic radiation reflected or emitted by a component including a first pattern, the component including: a substrate; the first pattern disposed over at least a portion of the substrate; an optional primer layer disposed between at least a portion of the substrate and at least a portion of the first pattern; and a first visibly opaque layer including an infrared transparent pigment, the first visibly opaque layer disposed over at least a portion of the first pattern; and comparing the reflectivity and/or absorbance of infrared electromagnetic radiation by the first pattern at one wavelength to the reflectivity and/or absorbance by the primer layer and/or the substrate at the same wavelength.
Absstract of: EP4458584A1
A recording medium whose authenticity can be assessed is provided.The recording medium includes a base material and a recording layer. The recording layer has an irregular surface including random irregularities, and includes an electron-donating coloration compound, an electron-accepting color developer, and a matrix resin.
Absstract of: DE102023110767A1
Es wird eine Pigmentpräparation mit Metalleffektpigmenten bereitgestellt, umfassend Metalleffektpigmente, die auf einem metallischen Kern eine oder mehrere Metalloxid- und/oder Metallhydroxid- und/oder Metalloxidhydratschichten aufweisen, wasserlösliches Bindemittel, oberflächenaktives Additiv, und weniger als 500 ppm Phosphor sowie weniger als 3 Gew.-% Restfeuchte. Bevorzugt liegt die Pigmentpräparation in Granulatform vor. Ferner wird ein Verfahren zur Herstellung der Pigmentpräparation und deren Verwendung bereitgestellt.
Absstract of: WO2024225460A1
This infrared persistently luminescent oxysulfide phosphor is represented by Ln2O2S:Yb, R, where Ln is at least one element selected from Y, La, Gd, and Lu, and R is at least one element selected from Mg, Sr, Ba, Zn, Ga, Zr, Mo, Mn, Sc, Hf, Ta, and Nb. The phosphor has persistent luminescence in the infrared region for several seconds to several tens of seconds after excitation due to the activator Yb3+.
Absstract of: WO2024226003A1
The present invention relates to a security embossed printing ink which can be used in dry offset and normal offset printing systems and inkjet offset digital printing systems to promote a wide market such as industrial and commercial packaging, food, pharmaceuticals, health, cosmetics, especially on paper and sheets, which can be used for documents and packaging against forgery with embossed printing in the field of printing, which provides a significant reduction in costs by obtaining the desired products in one time, and it comprises an ink composition containing at least one UV curable photopolymerization initiator (1) material, at least one filling material with thickening properties (2), at least one polymer material (3), at least one antistatic material (4), at least one antioxidant ingredient (5), at least one UV-blocking material (6), aerosol as at least one moisture-retaining and anti-condensation material (7), at least one additive with wetting, dispersing, leveling, anti-foaming, rheology modifying properties (8), at least one curing agent (9), at least one color pigment (10).
Absstract of: MX2024007701A
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.
Absstract of: CN118574730A
The invention relates to a printing press for producing security documents (02), in which an impression cylinder (42), which guides a substrate (26) of the security document (02), and a transfer cylinder (43), which interacts with the impression cylinder (42) at a transfer point and prints a print pattern (27) onto the substrate (26), are provided, in which the substrate (26) of the security document (02) has at least one transparent window (04), a micro-optical structure (03) consisting of microlenses (11) is arranged on one side of the substrate (26) at least in the region of the associated transparent window (04), and the impression cylinder (42) and the transfer cylinder (43) are arranged in a cooperative manner in such a way that the micro-optical structure (03) consisting of microlenses (11) is arranged on one side of the substrate (26) at least in the region of the associated transparent window (04), and the impression cylinder (42) and the transfer cylinder (43) are arranged in such a way that the micro-optical structure (03) consisting of microlenses (11) is arranged on one side of the substrate (26) at least in the region of the associated transparent window (04). On the other side of the substrate (26) opposite the micro-optical structure (03), at least one printed pattern (27) is arranged at least in the region of an associated transparent window (04), the associated printed pattern (27) having a plurality of primitives (28a-28j) in a dot-or linear grid, the primi
Absstract of: EP4454894A1
A printed fabric for assessing authenticity, the printed fabric having a fabric and a print layer located on the fabric, wherein: the smoothness of the fabric, as measured through the smoothness testing method disclosed in JIS P 8155:2010, is 0.5 seconds or greater; and a printed portion of the print layer contains an inorganic infrared-absorbing pigment in an amount ranging from 5 mg/m<sup>2</sup> to 400 mg/m<sup>2</sup> inclusive per unit area.
Absstract of: DE102023110082A1
Die Erfindung betrifft ein maschinell erkennbares, biologisch abbaubares, polymeres Wertdokumentsubstrat, umfassend ein zumindest im Wesentlichen auf nachwachsenden Rohstoffen basierendes, polymeres Verbundsubstrat und zumindest einen im Verbundsubstrat eingebetteten, maschinell erkennbaren Merkmalsstoff, wobei der maschinell erkennbaren Merkmalsstoff bei Anregung mit Licht einer geeigneten Wellenlänge, insbesondere bei Anregung mit Licht im UV-Wellenlängenbereich oder IR-Wellenlängenbereich, eine charakteristische Lumineszenzemission aufweist.
Absstract of: US2024351361A1
The present invention relates to the field of methods for producing eye-catching overt security features exhibiting one or more indicia as anti-counterfeit means on security documents or security articles as well as decorative purposes. In particular, the present invention provides methods for producing security features that can be easily, directly and unambiguously authenticated by the human without any external device or tool, wherein said security features comprised a cured UV-Vis radiation cationically or hybrid curable coating composition and cured one or more indicia, said composition comprising an ink vehicle and pigments comprising a flake-shaped non-metallic or metallic substrate comprising one or more at least partial coating layers, an at least partial surface treatment layer made of one or more surface modifiers based on perfluoropolyethers.
Absstract of: WO2024217631A1
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.
Nº publicación: WO2024218531A1 24/10/2024
Applicant:
HTC TECH CONSULTING [DE]
ULTRACOAT PAKISTAN [PK]
HTC TECHNOLOGY CONSULTING,
ULTRACOAT PAKISTAN
Absstract of: WO2024218531A1
The invention describes an arrangement of magnetic fields for aligning magnetically orientable pigments in a printing ink. The arrangement creates two different mutual orthogonal reflection patterns in an optical effect layer (OEL) resulting from the magnetic orientation with at least two superimposed magnetic fields. This easily detectable effect allows the use of such an OEL as a security feature for valuable documents such as banknotes and identity documents or security labels as well as for decorative articles. The present invention provides security documents and decorative articles containing such OELs, as well as methods for producing these OELs.
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