Item comprising microlenses and associated method of manufacturing and method of personalizing. An item (1000) comprising a front face (ff1000), and a back face (bf1000) and: - A first layer (200), the first layer (200) being at least partly transparent and being made of polycarbonate, - A multilayered structure (500), the multilayered structure (500) being at least partly transparent and including a layer (510) comprising microlenses, and a layer (530) comprising image icons. - A filler material (540), the filler material (540) being transparent and embedding the microlenses, the filler material (540), the microlenses and the image icons cooperating to generate at least one synthetic image visible when observing the front face (ff1000), - A second layer (700) of polycarbonate, - A first adhesive (300) between the first layer (200) and the multilayered structure (500), said first adhesive (300) being transparent, - A second (layer of) adhesive (600) between the multilayered structure (500) and the second layer (700).
Security article comprising an optically variable system ((10), with microlenses (20) and an array of images (30) having sections (31, 32, 33, 34) and contours (21, 41)) arranged to generate a sequence (S) of successive images when the angle of observation varies, wherein the sequence of successive images generates an animation when the angle of observation varies under normal conditions of use of the article, the animation changing symmetrically between the start and the end of the sequence of images when the angle of view varies, and the first half (S1) of the sequence (S) of images and the second half (S2) of the sequence (S1) of images comprising at least two different respective images positioned symmetrically within the sequence (S) of successive images.
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).
The invention in particular relates to a security element comprising a grating of contiguous or adjacent lines in relief, these lines (2) being oriented in directions of respective axes X and Y, while said relief is oriented in a direction of axis Z, at least one of these lines (2) being defined by two consecutive valleys or two consecutive peaks, from which two opposite flanks stem, at least one opposite flank having, in the Y-Z plane, an average slope varying continuously between two extreme values, the set of slopes of said grating being such that, at any given point, the slope P(x,y) respects P(x,y) = k * P1(x,y) + (1-k) * P2(x,y), in which equation: k is a constant between 0.2 and 0.8; and P1(x,y) and P2(x,y) are the respective local slopes of the flank at the point (x,y) of a first virtual structure (S1) and of a second virtual structure.
The invention relates to a security element (1) which comprises a grid (R) of at least two raised lines (2, 2') in directions of axes X and Y, with one raised pattern oriented in a direction of axis Z, at least one of these lines (2, 2') being delimited by two consecutive grooves (S) or ridges (C), from which two opposite flanks originate, characterised in that: - at least one flank has, in the plane (Y, Z), an average slope varying between two values SlopeMin and SlopeMax, such that SlopeMin < SlopeMax, at least a first portion (P1) of the line (2, 2') being such that the transition from SlopeMin to SlopeMax takes place over a distance that is visible to the naked eye; and - there is a second portion (P2), contained in the first portion, in which there is a position Yp, wherein the cross-section in the plane (X, Z) of at least one of the flanks describes a non-constant continuous function, comprised between two extreme values.
The present invention relates in particular to a magnetizing device (B) intended to be placed in an exposure and transfer cylinder for orienting particles sensitive to magnetic fields, comprising a main magnet assembly (10) in the form of a plate, a plurality (20) of secondary magnets (20i) forming a two-dimensional array, said secondary magnets (20i) being small relative to the main magnet assembly (10), the poles of the magnets of said plurality (20) of secondary magnets (20i) being oriented in a direction extending in a plane generally parallel to the midplane (P) of the main assembly (10); in said plurality of secondary magnets (20i): each magnet being separated from the neighbouring magnet by a space; said array of secondary magnets (20i) extending along a curved surface; the magnets of the device (B) being shaped so that the magnetic field lines generated by these magnets act at a distance greater than the distance (D) by which they are embedded.
B41F 11/02 - Presses ou machines rotatives dont les cylindres de clichés portent plusieurs surfaces d'impression ou pour la mise en œuvre de procédés typographiques, lithographiques ou d'impression en creux, sélectivement ou en combinaison pour les papiers-valeurs
B05D 3/06 - Traitement préalable des surfaces sur lesquelles des liquides ou d'autres matériaux fluides doivent être appliquésTraitement ultérieur des revêtements appliqués, p. ex. traitement intermédiaire d'un revêtement déjà appliqué, pour préparer les applications ultérieures de liquides ou d'autres matériaux fluides par exposition à des rayonnements
B05D 3/00 - Traitement préalable des surfaces sur lesquelles des liquides ou d'autres matériaux fluides doivent être appliquésTraitement ultérieur des revêtements appliqués, p. ex. traitement intermédiaire d'un revêtement déjà appliqué, pour préparer les applications ultérieures de liquides ou d'autres matériaux fluides
B41F 19/00 - Appareils ou machines pour effectuer des opérations d'impression en combinaison avec d'autres opérations
B41F 23/04 - Dispositifs pour traiter la surface des feuilles, bandes ou autres objets en relation avec l'impression par séchage à chaud, refroidissement ou application de poudres
The invention relates to a method for identifying and/or authenticating a security document comprising a paper substrate, wherein the substrate is analysed to detect the presence of one or more markers representative of the presence, in the substrate, of one or more compounds extracted from hardwood(s), and information relating to the identity and/or authenticity of the document is generated according to the nature and/or the proportion in the substrate of the one or more markers.
G07D 7/14 - Vérification spécialement adaptée à la détermination de l’identité ou de l’authenticité de papiers de valeur ou pour discriminer ceux qui sont inacceptables, p. ex. qui ne correspondent pas à une monnaie à l'aide de moyens chimiques
G07D 7/202 - Vérification de motifs des papiers en utilisant la mise en correspondance de motifs
G07D 7/12 - Lumière visible, rayonnement infrarouge ou ultraviolet
8.
USE OF AN EPOXY-SILICONE COPOLYMER, CROSSLINKABLE FLUID COMPOSITION CONTAINING SAME, AND BANKNOTE COATED WITH SAID COMPOSITION
In particular, the present invention relates to the use of an epoxy-silicone copolymer, i.e. a polyorganosiloxane provided with branches comprising epoxide functional groups, for the manufacture of an anti-graffiti surface coating of a banknote.
The present invention relates to a use of at least one drying vegetable oil having an iodine value of at least 80 gl/100g to provide antiviral properties to a deposit formed on the surface of an inert substrate.
C09D 5/14 - Peintures contenant des biocides, p. ex. fongicides, insecticides ou pesticides
C09D 7/63 - Adjuvants non macromoléculaires organiques
C09D 11/06 - Encres d’imprimerie à base de corps gras
C09D 11/101 - Encres spécialement adaptées aux procédés d’imprimerie mettant en œuvre la réticulation par énergie ondulatoire ou par radiation de particules, p. ex. réticulation par UV qui suit l’impression
C09D 11/106 - Encres d’imprimerie à base de résines artificielles contenant des composés macromoléculaires obtenus par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carbone
C09D 125/14 - Copolymères du styrène avec des esters non saturés
C09D 133/00 - Compositions de revêtement à base d'homopolymères ou de copolymères de composés possédant un ou plusieurs radicaux aliphatiques non saturés, chacun ne contenant qu'une seule liaison double carbone-carbone et l'un au moins étant terminé par un seul radical carboxyle, ou ses sels, anhydrides, esters, amides, imides ou nitrilesCompositions de revêtement à base de dérivés de tels polymères
The invention relates to wallpaper having biocidal properties, all or part of the outer face of which is intended to provide a decorative visual effect, comprising a deposit of at least one polymeric binder, said binder being obtained by polymerisation of at least one monomer chosen from aliphatic or aromatic methacrylates, acrylates, methacrylic acids, acrylic acids, styrene and mixtures thereof, and further containing from 0.05% to 6% by dry weight of at least one non-polymeric quaternary ammonium salt based on the total dry weight of said deposit, and said deposit comprising at least one polyaminoamide-epichlorohydrin (PAE) resin.
C09D 5/14 - Peintures contenant des biocides, p. ex. fongicides, insecticides ou pesticides
C09D 11/38 - Encres pour l'impression à jet d'encre caractérisées par des additifs non macromoléculaires autres que les solvants, les pigments ou les colorants
E04F 13/00 - Revêtements ou enduits, p. ex. pour murs ou plafonds
C09D 133/08 - Homopolymères ou copolymères d'esters de l'acide acrylique
C09D 11/03 - Encres d’imprimerie caractérisées par des particularités autres que la nature chimique du liant
C09D 11/106 - Encres d’imprimerie à base de résines artificielles contenant des composés macromoléculaires obtenus par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carbone
The invention relates to an aqueous antimicrobial composition able to form a surface deposit, in particular a surface coating, on a substrate or object, said composition having a viscosity that ranges from 5 to 500 mPa.s at a temperature that ranges from 20 to 25°C and at atmospheric pressure, comprising at least: - 0.05% to 5% by dry weight of at least one non-polymeric quaternary ammonium salt based on the total weight of the composition, and - at least one polymeric binder, and being obtained from at least one aqueous dispersion of said polymeric binder having a number-average particle size of greater than or equal to 7 µm or from at least one aqueous emulsion of said polymeric binder having a number-average droplet size of greater than or equal to 7 µm.
C09D 5/14 - Peintures contenant des biocides, p. ex. fongicides, insecticides ou pesticides
C09D 11/38 - Encres pour l'impression à jet d'encre caractérisées par des additifs non macromoléculaires autres que les solvants, les pigments ou les colorants
E04F 13/00 - Revêtements ou enduits, p. ex. pour murs ou plafonds
C09D 133/02 - Homopolymères ou copolymères d'acidesLeurs sels métalliques ou d'ammonium
C09D 133/08 - Homopolymères ou copolymères d'esters de l'acide acrylique
C09D 11/03 - Encres d’imprimerie caractérisées par des particularités autres que la nature chimique du liant
C09D 11/106 - Encres d’imprimerie à base de résines artificielles contenant des composés macromoléculaires obtenus par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carbone
The invention relates to a watermarked strip or sheet of paper (1) comprising at least two separate watermarks (2; 3) each formed of characters and having respective directions of reading that form an angle of 90° to one another, the watermarks being arranged on the vellum (11) in such a way that it is possible to connect at least one point of at least one of the watermarks to any character of the other watermark by exclusively passing through an unwatermarked region of the vellum.
D21H 21/44 - Éléments de sécurité latents, c.-à-d. pouvant être détectés ou devenant apparents uniquement par utilisation de méthodes ou de dispositifs particuliers de vérification ou d'altération
13.
SECURITY ELEMENT FOR A SECURITY DOCUMENT AND SECURITY DOCUMENT PROVIDED THEREWITH
The present invention relates notably to a security element for a security document which consists of a support, comprising a network of parallel lines (2) in relief, notably oriented in a favoured direction X and each of width L, each line (2) in relief having a profile comprising at least one crest (21) and one trough (20), said network being coloured or at least partially coloured and made up of a repetition of contiguous or adjacent strips (3), the strips (3) being of width L' and each made up of N stripes (30-32), N being an integer greater than or equal to two, these stripes being contiguous or adjacent and having, if applicable, a between-stripes space of a width smaller than the width of a stripe, these N stripes (30 32) being at least two different colours, said strips (3) running substantially parallel to the lines in relief (2) that make up said network, characterized in that, in at least one region of said coloured or partially coloured network, the stripes (30-32) of at least one strip (3) extend from one end of this region to the other as a partially-differentiable continuous function F(x) of which the derivative is non-constant and in that, within said region, there is an interval of length Li visible to the naked eye in which the derivative of said function F(x) is comprised between L/(2Li) and 3L/Li, or between -3L/Li and -L/(2Li).
The invention relates to an antiviral composition for the surface treatment of an article, comprising: - at least one polyamide-polyamine-epichlorohydrin resin, referred to as PAAE resin, and - one or more biocidal agents including at least one silver-based compound and/or one quaternary ammonium-based compound. It further relates to a method for the surface treatment of an article, in particular a substrate, intended to provide antiviral properties thereto, comprising applying to the surface of the article one or more compositions comprising at least the PAAE resin and the biocidal agent(s), as well as an article surface-treated by said method.
A01P 1/00 - DésinfectantsComposés antimicrobiens ou leurs mélanges
C08G 69/48 - Polymères modifiés par post-traitement chimique
C08K 3/00 - Emploi de substances inorganiques en tant qu'adjuvants
C08L 77/00 - Compositions contenant des polyamides obtenus par des réactions créant une liaison amide carboxylique dans la chaîne principaleCompositions contenant des dérivés de tels polymères
D21H 21/36 - Agents biocides, p. ex. agents fongicides, bactéricides ou insecticides
The present invention is directed to a biocidal composition for the surface treatment of a porous substrate, the composition comprising at least one hydrophilic binder, at least one quaternary ammonium-based biocidal compound and at least one cationic sizing agent. The invention further relates to the use of such a composition for imparting biocidal, in particular antiviral, properties to a porous substrate.
A01N 25/24 - Biocides, produits repoussant ou attirant les animaux nuisibles, ou régulateurs de croissance des végétaux, caractérisés par leurs formes, ingrédients inactifs ou modes d'applicationSubstances réduisant les effets nocifs des ingrédients actifs vis-à-vis d'organismes autres que les animaux nuisibles contenant des ingrédients augmentant l'adhérence des ingrédients actifs
A01N 25/34 - Formes façonnées, p. ex. feuilles, non prévues dans l'un quelconque des autres sous-groupes du présent groupe principal
A01N 47/12 - Dérivés de l'acide carbamique, c.-à-d. contenant le groupe —O—CO—NLeurs thio-analogues contenant un groupe —O—CO—N, ou un de ses thio-analogues, non directement lié à un cycle et l'atome d'azote n'étant pas un chaînon d'un hétérocycle
A01P 1/00 - DésinfectantsComposés antimicrobiens ou leurs mélanges
The present invention relates to security-protected at article comprising the first raster (10) and a second raster (20) or to an assembly of a security-protected article comprising a first raster and of another object comprising a second raster, the first roster comprising a number n of sub-rasters, the sub-rasters and the second raster each consisting of first patterns of the same dimension, separated by second patterns of the same dimension, the second patterns being different in appearance from the first patterns, the n sub-rasters all being phase-shifted from one another by a distance less than x1+x2 and a multiple of the smallest phase-shift between the n sub-rasters, n being greater than or equal to 3, when the first and the second roster are superposed, the first raster being at least partially visible through the second patterns of the second raster and/or the second raster is at least partially visible through the second patterns of the first raster.
In particular, the invention relates to a mechanochromic and mechanofluorochromic compound, which has the formula (F) in which: R 1 is selected from: - a linear or branched C1-C4 alkyl chain, and preferably tertiobutyl; a C1-C22 alkoxy chain; a C1-C4 dialkylamino group, and preferably dimethylamino; and at least one heteroatom.
B42D 25/00 - Cartes ou structures de type feuille portant des informations caractérisées par leurs éléments d’identification ou de sécuritéLeur fabrication
C09K 11/06 - Substances luminescentes, p. ex. électroluminescentes, chimiluminescentes contenant des substances organiques luminescentes
The present invention relates to a fibrous composition, in particular suitable for use for preparing a sheet of paper, in particular security paper, comprising at least - a cellulosic fibrous material made from cotton fibres and free of wood fibres, and - a wet strength agent that is reactive towards carboxylic functions, the cellulosic fibrous material also having cellulosic fibres, referred to as hemicellulose fibres, having a hemicellulose content of at least 18% by weight relative to the total weight of the hemicellulose fibres, and a hemicellulose content of at least 0.7% by weight relative to the total weight of the cellulosic fibrous material. It also relates to a sheet of paper comprising it, and the implementation thereof in a security and/or value document.
The invention mainly relates to a radiation-curable protective varnish comprising at least one cationically or radically curable compound and at least one metal selected from among silver, copper, zinc and mixtures thereof, characterized in that said metal is in the state of zero oxidation level and in a supported particulate form.
The invention particularly relates to a multi-layered security structure (S) for fiduciary use, which comprises at least three different, superimposed layers which are referred to as the first upper layer (1), second intermediate layer (2) and third lower layer (3), respectively, the first layer (1) being optically variable, that is to say, having different colours depending on the angle of observation or illumination with light reflected on a dark background, and being transparent or quasi-transparent on a light background; the second intermediate layer (2) incorporating at least one thermochromic material which has a first dark colour which thus constitutes the dark background and is opaque in a first temperature range and becomes at least partially transparent at a temperature outside the first temperature range; the third layer (3) being formed by at least one pattern (30, 31) with a dark colour thereby constituting the dark background, characterised in that it comprises a transparent or translucid support material and in that the first layer (1) also forms a barrier to ultraviolet radiation.
The invention relates to an optical structure (5) having a relief effect, comprising: - a support (7) adapted for aligning liquid crystals, - a deposit (9) in contact with the support of a substance in the form of at least one pattern (11), which partially covers the support, and - a liquid crystal layer (13) which at least partially covers the support and said pattern and is in contact with the support.
The invention mainly concerns a fibrous substrate obtained by a wet process, resistant to crumpling and to dirt, in particular of the banknote type, characterised in that it comprises, by weight, at least: - 40% to 96% by dry weight of fibres, in particular cellulose fibres, relative to the dry weight of the substrate, - 1% to 20% by dry weight relative to the dry weight of fibres, of at least one anionic polymer having a glass transition temperature higher than -40°C, and being present in a precipitated form on the surface of the fibres, - 0.5% to 5% by dry weight of at least one cationic precipitation agent, relative to the dry weight of fibres, and - 0.001% to 1% by dry weight of at least one biocidal agent. It also concerns the method for preparing same.
D21H 21/36 - Agents biocides, p. ex. agents fongicides, bactéricides ou insecticides
23.
ASSEMBLY CONSISTING OF A TWO-DIMENSIONAL NETWORK OF MICRO-OPTICAL DEVICES AND A NETWORK OF MICRO-IMAGES, METHOD FOR MANUFACTURING SAME, AND SECURITY DOCUMENT COMPRISING SAME
The present invention particularly relates to an assembly (E) consisting of: a two-dimensional network of micro-optical devices such as microlenses; and a network of micro-images consisting, at most, of as many micro-images (ML) as micro-optical devices, each micro-image being subdivided into N image elements arranged in such a way as to reconstitute, for an observer and through the two-dimensional network of micro-optical devices, N images visible from N different points of view, i.e. N rendering angles, each of these N images representing a reference or recording point of view of a given relief scene consisting of at least one mobile object, characterised by the fact that the image elements constituting a given object within the N images are distributed within the network of micro-images in such a way that they appear, depending on the rendering angle, through different micro-optical devices, describing the trajectory of the projection of the object on the plane of the two-dimensional network of micro-optical devices relative to the reference point of view.
COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES (France)
Inventeur(s)
Tosoni, Olivier
Savare, Thomas
Gillot, Julien
Borde, Xavier
Abrégé
The present invention relates in particular to a method for orienting particles that are sensitive to a magnetic field, said particles being contained in a printing material affixed to a support (4), with the aid of a device (1) that comprises at least one array R of electromagnets (2) disposed side by side in a vertical position, the upper ends (22) of these electromagnets (2) extending either substantially in one and the same plane (P) or in an offset manner, so as to jointly form a curved surface, characterized in that said particles are oriented by briefly subjecting them to said magnetic field generated by said array R of electromagnets (2).
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (CNRS) (France)
ECOLE CENTRALE DE MARSEILLE (France)
UNIVERSITE D'AIX MARSEILLE (France)
Inventeur(s)
Lumeau, Julien
Lemarchand, Fabien
Moreau, Antonin
Begou, Thomas
Gillot, Julien
Borde, Xavier
Abrégé
The present invention particularly relates to a method for physical vacuum deposition of a coating (R) comprising at least one material (M) on at least a portion of a front face (10) of a support (1), said at least one material (M) originating from an evaporation source or an atomisation source (2), wherein: - use is made of a support (1), at least a portion of the front face (10) of which is smooth, that is to say, does not have any roughness and/or reliefs and/or recesses; - said vacuum deposition is carried out while varying the thickness distribution of the material (M) on said front face (10), that is, while progressively varying the thickness deposited, from a central region (11) in the direction of at least one lateral region (12) contiguous to the central region (11), without modifying the position of the evaporation source or atomisation source (2) of the material particles (M).
C23C 14/04 - Revêtement de parties déterminées de la surface, p. ex. au moyen de masques
C23C 14/22 - Revêtement par évaporation sous vide, pulvérisation cathodique ou implantation d'ions du matériau composant le revêtement caractérisé par le procédé de revêtement
C23C 14/54 - Commande ou régulation du processus de revêtement
C23C 28/00 - Revêtement pour obtenir au moins deux couches superposées, soit par des procédés non prévus dans un seul des groupes principaux , soit par des combinaisons de procédés prévus dans les sous-classes et
B42D 25/00 - Cartes ou structures de type feuille portant des informations caractérisées par leurs éléments d’identification ou de sécuritéLeur fabrication
26.
SECURITY ELEMENT FOR A VALUABLE DOCUMENT, METHOD FOR PRODUCING SAME AND VALUABLE DOCUMENT THAT COMPRISES IT
The present invention relates in particular to a security element (1) for a valuable document, which comprises an array (R) of at least two contiguous or adjacent lines (2, 2', 2"), at least one of these lines (2) being raised and having two opposing and at least partially inclined sides (20, 21) that each originate along one of the longitudinal and opposing edges (200, 210) of the line (2), characterised by the fact that the two opposing inclined flanks (20, 21) meet at a single, uninterrupted, sinuous junction area (22), that extends in the longitudinal direction of the line (2), the sides (20, 21) having no discontinuities or interruptions at least in the longitudinal direction.
Security paper comprising: – at least one paper-making substrate (10), – at least one watermark (11) formed on the paper-making substrate (10), this watermark having an external contour (13), – at least one opening (12) with an even edge created by ablation of the paper-making substrate, – at least one security film (15) at least partially superposed on the watermark (11) and on the opening (12), this paper being characterized in that said at least one opening (12) extends inside the watermark (11) as delimited by its external contour.
The invention relates particularly to an assembly (E) consisting of a complex transparency device, i.e. a refractive and/or diffractive device acting on the light phase, and at least one array of micro-images, in which: said complex transparency device consists of a periodical two-dimensional array (RPU) formed from individual "pupils" (PU) in which each pupil (PU) comprises a micro-optical device (1), at least some of said micro-optical devices (1) having a non-centred optical axis (10), and at least some of said micro-optical devices (1) being positioned non-periodically, i.e. with variable off-setting of the optical axis thereof within said array (RPU); said array (2) of micro-images consists of as many micro-images as micro-optical devices (1); each micro-image (2) has a contour identical to that of the associated pupil (PU) and a surface which is at the most identical to that of the associated pupil (PU); and each micro-image (2) is sub-divided into at least one thumbnail image (20) such that when said transparency device is positioned facing said array of micro-images (2), and an observer observes said array through said transparency device, the observer sees, at least in a given direction of observation, an image (S) which is reconstructed by the combination of the thumbnail images associated with said direction, characterised by the fact that within the same sub-division, certain thumbnail images (20), i.e. only some thereof, which form a "first group", are distributed such that when said transparency device is positioned facing said array of micro-images (2), said thumbnail images (20) are respectively arranged according to the optical axis of said associated micro-optical device (1).
The present invention relates in particular to a high-durability paper support for printing a security document, in particular a banknote, comprising cellulose fibres, in a proportion of at least 50% by weight relative to the total weight of the paper support in the dry state, additives and adjuvants, at least one binder, and which further comprises at least one olephobic and hydrophobic agent based on an organic compound containing perfluoropolyethers (PFPE), in a concentration of greater than 0% and less than or equal to 5% by weight in the dry state relative to the total weight of the paper support in the dry state, characterized in that it furthermore comprises at least one non-fibrous structural reinforcing agent from the family of softening agents, i.e. agents that increase the flexibility of the cellulose fibres, in an amount of between 0.5% and 15% by weight relative to the total weight of the paper support in the dry state.
The present invention concerns a secure document (1) comprising: a fibrous substrate (10) traversed by at least one opening (11), a security thread (30) extending at least partially into the fibrous substrate (10), a film (20) closing the opening (11) and at least partially overlapping the thread, the width of the film (20) being greater than that of the thread (30), being greater than or equal to 5 mm and less than or equal to 30 mm.
METHOD AND MASK FOR MANUFACTURING A WATERMARKED PAPER, METHOD FOR MANUFACTURING THE OBTAINED WATERMARKED PAPER MASK AND METHOD FOR AUTHENTICATING THE WATERMARKED PAPER
Method for manufacturing a security paper, including the step consisting in: - producing a watermark using a mask (10) attached to a wire of a paper machine, the mask including a network of elements for forming light areas (18) on the watermark connected by linking elements (15), said light areas being arranged like the pixels of a raster image, said linking elements being fined enough that at least some of said elements for forming light areas (18) result in the formation of pixels of the raster image appearing to the naked eye in transmitted light as isolated pixels.
The present invention relates to a security substrate comprising, dispersed in the mass thereof, an IR-absorbing particulate system, comprising: a mixture of at least one filler consisting of at least one metal oxide or metal oxide salt and of at least one filler consisting of at least one poor metal in ionic, molecular or atomic form, and/or - at least one filler consisting of at least one metal oxide or metal oxide salt and of at least one poor metal in ionic, molecular or atomic form, said particulate system giving said substrate a specific response in transmission in the IR, preferably with an absorption peak in the IR, in particular between 700 and 1000 nm, better still with several absorption peaks in the IR, in particular between 700 and 1000 nm.
D21H 21/44 - Éléments de sécurité latents, c.-à-d. pouvant être détectés ou devenant apparents uniquement par utilisation de méthodes ou de dispositifs particuliers de vérification ou d'altération
D21H 21/48 - Éléments adaptés à une vérification physique, p. ex. par irradiation
B42D 25/36 - Caractéristiques d’identification ou de sécurité, p. ex. pour empêcher la falsification comprenant des matériaux spéciaux
The invention relates to a method for producing a security element comprising a support made from oriented plastic and at least one layer of liquid crystals borne and oriented by the support, an adhesion primer being deposited before or after the support is stretched in at least one direction, said stretching bringing the support to the oriented state and the liquid crystals being deposited by means of printing on the adhesion primer.
The present invention concerns, in particular, a method for producing a security document (1) comprising a sheet (2) of fibrous material, of which at least one of the large opposing surfaces (20, 21) is covered with a protective film (4), characterised by the fact that it comprises the following steps that consist of: a/ covering said large surface (20, 21) of said sheet (2) with a first thermoadhesive (3); b/ covering one of the faces of said protective film (4) with a second thermoadhesive (5); the first thermoadhesive (3) and the second thermoadhesive (5) being different and being chosen from the group consisting of a thermoplastic thermoadhesive and an ultraviolet-crosslinkable thermoadhesive; c/ affixing said film (4) onto said sheet (2) in such a way that the first thermoadhesive (3) and the second thermoadhesive (5) come into contact; d/ heat treating the sheet (2) + film (4) assembly from step c/ until said thermoadhesives (3, 5) soften; e/ exposing the sheet (2) + film (4) assembly from step c/ to ultraviolet radiation, triggering the crosslinking of said crosslinkable thermoadhesive (5).
B32B 5/02 - Produits stratifiés caractérisés par l'hétérogénéité ou la structure physique d'une des couches caractérisés par les caractéristiques de structure d'une couche comprenant des fibres ou des filaments
B32B 7/12 - Liaison entre couches utilisant des adhésifs interposés ou des matériaux interposés ayant des propriétés adhésives
B32B 27/10 - Produits stratifiés composés essentiellement de résine synthétique comme seul composant ou composant principal d'une couche adjacente à une autre couche d'une substance spécifique de papier ou de carton
B32B 27/12 - Produits stratifiés composés essentiellement de résine synthétique adjacente à une couche fibreuse ou filamenteuse
B32B 29/00 - Produits stratifiés composés essentiellement de papier ou de carton
B32B 37/12 - Procédés ou dispositifs pour la stratification, p. ex. par polymérisation ou par liaison à l'aide d'ultrasons caractérisés par l'usage d'adhésifs
B32B 38/00 - Opérations auxiliaires liées aux procédés de stratification
The present invention concerns, in particular, a method for producing security documents (D1, D2, Dx) in the form of separate sheets (F1, F2, Fx), each sheet comprising at least one security document (D1, D2, Dx), said document comprising at least one window (2) that extends from side to side through same, opening on each of the opposing faces (10, 11) of same, said window (2) being sealed by a translucent or transparent film (3) that is secured to one (10) of said opposing faces (10, 11), referred to as the "first face", said film (3) comprising at least one security element (5) located and marked in the area delimited by said window (2), such that it is visible through same, on both sides, characterised by the fact that it comprises a step during which said security element (5) is transferred onto said document by heat transfer, either separately or at the same time as said film (3; 4), that one or more security elements (5), each intended to be positioned in an area delimited by a window (2), are each respectively incorporated into juxtaposed and independent assemblies that comprise a portion of transparent or translucent film (4), said assemblies being carried by one and the same support material (6), and that each assembly is detached from said support material (6) during said heat transfer in order to be applied individually onto said sheets (F1, F2, Fx).
The invention relates to a secure item comprising a revealing screen (4) and a combined image (I), or an assembly comprising a secure item (10) and another object (100), the secure item (10) comprising one of the revealing screen (4) and the combined image (I), and the object (100) comprising or forming the other one of the revealing screen (4) and the combined image (I), the combined image being made up of a plurality of interlaced images (I1 to In) each interlaced image (I1 to In) and/or the revealing screen being made up of a plurality of elements (ii to in, pi to pn, 5a, 5b), the revealing screen (4) making it possible, when placed on top of the combined image (I), to observe various revealed images (Ir) by moving the revealing screen (4) relative to the combined image (I) and/or by changing the observation angle, the revealed images each comprising a certain proportion (P1_; Pn) of each interlaced image I1 to In), and the elements (ii to in, pi to pn, 5a, 5b) being made up of one or more micro-patterns (7).
B42D 25/20 - Cartes ou structures de type feuille portant des informations caractérisées par leurs éléments d’identification ou de sécuritéLeur fabrication caractérisées par une utilisation ou une finalité particulières
B42D 25/351 - Pièces translucides ou en partie translucides, p. ex. fenêtres
The invention relates to a secure article comprising a revelation screen (4) and a combined image (I), or a set comprising a secure article and another object, the secure article comprising one of the revelation screen (4) and the combined image (I) and the object comprising or making up the other of the revelation screen (4) and the combined image (I), the combined image (I) consisting of a plurality of overlapping images (I1), the combined image (I) comprising a periodic alternation of overlapping image elements (i1) in a first direction (X), the revelation screen (4) comprising a masking screen element (5a) alternating periodically with a non-masking screen element (5b) in a second direction (X; XT), the size of the non-masking screen elements (5b) in the second direction (X; XT) being greater than the size, in the first direction (X), of at least one element of overlapping images (i1), the revelation screen (4) making it possible, when same is placed over the combined image (I), to observe various revealed images (Ir) by moving the revelation screen (4) in relation to the combined image (I) and/or by changing the observation angle.
The invention relates to a secure item comprising a first optical structure (4) and a second optical structure (4), or an assembly comprising a secure item and another object, the secure item comprising one of the first optical structure (4) and the second optical structure (4), and the object comprising or forming the other one of the first optical structure (4) and the second optical structure (4); the first optical structure (4) comprising a plurality of blocks of the first optical structure (Bi) arranged in different regions of the first optical structure (4); the first optical structure (4) being one of a revealing screen (4) and a combined image, and the second optical structure (4) being the other one of the revealing screen (4) and the combined image; the combined image or, in the presence of blocks of a combined image, each of the combined image blocks, being made up of a plurality of interlaced images; the combined image or each combined image block comprising a periodic alternation of interlaced image elements, in one or more directions; the elements of the interlaced images of a single interlaced image being the same colour, but a different colour from that of the other interlaced images; at least two blocks of the first optical structure each allowing, when the revealing screen (4) and the combined image are vertically adjacent, at a given position and orientation of the revealing screen (4) relative to the combined image and at a given observation angle, the observation of a revealed image in each block of a first optical structure, the revealed images in the two blocks of a first optical structure showing different proportions of the interlaced images.
The invention relates particularly to a security element comprising a support (1) on which there is at least one print (2; 2'; 2"; 3), including a first print (2) which is invisible to visible light but revealed under a first wavelength range (λ1) outside the visible light spectrum, and a second print (3) which is invisible to visible light but revealed under a second wavelength range (λ2) outside the visible light spectrum, said first and second prints (2, 3) extending in regions which partially cover each other, thereby forming at least one covering region (4), characterised in that it comprises hidden information (IC) formed by said at least one covering region (4), hidden information (IC) revealed under a stroboscopic lighting that alternates lighting under two wavelength ranges corresponding respectively to said first and second wavelength ranges (λ1 and λ2).
The present invention relates in particular to a multilayer security element (2), which comprises a transparent or translucent planar mounting (21), characterised in that one of the opposing faces of said mounting (21) is coated with the following consecutive layers: a) a layer with variable optical effect (22), i.e. which, under observation of the mounting (21), provides at least one change of appearance which is visible to the naked eye, in accordance with the observation conditions; b) a dark opaque layer (23) which has at least one slit (230); c) a semi-reflective layer (24), i.e. which is reflective when the mounting (21) is observed under reflected light, and which is transparent when the mounting is observed by transmission, said semi-reflective layer (24) being provided at least opposite one portion of said slit (230); d) a visible layer (25), i.e. which is visible under reflected light as well as by transmission, provided at least vertically in line with the one or more regions in which the semi-reflective layer (24) is provided.
The invention relates to a high-durability, biodegradable paper medium for printing a secure document, in particular a bank note, including cellulose fibres, at a concentration of no less than 70 wt % and less than 100 wt % when dry relative to the total weight of said dry paper medium, additives and auxiliary agents, at least one binder, characterised in that it includes: an oil-repellent and water-repellent adhesive agent made up of an organic compound containing perfluoropolyether (PFPE) groups, at a concentration higher than 0 wt % and no higher than 5 wt % when dry relative to the total weight of the dry paper medium; and at least one biodegradable structural reinforcement agent, selected among those from a plant or animal sources, those synthesised by biotechnological engineering or by genetic engineering and then biotechnological engineering and those which are biosourced and then chemically processed. The invention also relates to the method for manufacturing same.
The invention relates, in particular, to a security document (1) having front (11) and back (10) faces and of which the body (C) at least partially consists of fibres, a security strip (2) being at least partially incorporated into said body (C), said body (C) being impregnated with a de-opacifying agent at least facing a part of said strip (2), characterised by the fact that said strip (2) is partially incorporated into said body (C), such that said strip emerges at a plurality of locations at the surface of said body (C) on said front face (11), thus forming windows (F), two consecutive windows (F) being separated by a bridge (P) corresponding to a region in which the strip (2) is buried in said body (C), and such that said de-opacifying agent also impregnates the body (C) in the areas (3) located to either side of the longitudinal sides of said strip (2), at least facing one region forming a bridge (P).
D06M 15/00 - Traitement des fibres, fils, filés, tissus ou articles fibreux faits de ces matières, avec des composés macromoléculairesUn tel traitement combiné avec un traitement mécanique
D21H 17/00 - Matériaux non fibreux ajoutés à la pâte caractérisés par leur constitutionMatériaux d'imprégnation du papier caractérisés par leur constitution
The invention especially relates to a strip intended to be incorporated into a security document, this strip emerging onto the surface of said document in the form of windows, and comprising a transparent or translucent carrier material (4) covered, on one or the other of its opposite faces, with at least three separate and superposed coating layers (51, 52, 53), characterized in that it especially comprises an intermediate second layer (52) that has an optical rendering different from that of the first and third layers (51, 53); the intermediate second layer (52) being opaque and containing at least two regions (520) that are at least partially devoid of coating, these two regions (520) respectively having different outlines; the first (51) and third (53) coating layers form at least one pattern, one portion of the pattern in the first layer (51) being visible through one of said two regions that are at least partially devoid of coating, whereas at least one portion of the pattern in the third layer (53) is visible through the other of said two regions that are at least partially devoid of coating, said patterns being different from each other.
The invention relates to a process for the surface treatment of a security document which comprises, at least on one of its opposite faces, at least one security printing consisting of at least one pattern, this face and this at least one associated printing being covered with a transparent protective coating, in which a varnish comprising crystalline nanocellulose in a portion of 0.5% to 10% by weight of the varnish is put in place via the printing or coating technique on said at least one face, and in which said varnish layer is dried.
The present invention concerns a method for checking the authenticity of a security document, in particularly a fiduciary document, which comprises an area with, within or at the surface of this area, a reversible mecanoluminescent compound of formula (i): In which R represents an alkyl chain comprising 1 to 12 carbon atoms, which comprises a step in which said area is subjected to ultraviolet radiation such that the whole of said area is visible to the naked eye in a first fluorescent colour (C1), characterised by the fact that it also comprises a step that consists of heating at least said area to a temperature of at least 50° C, without subjecting it to any friction or mechanical stress whatsoever, the revealing of the authenticity of said document being confirmed by the shift from said first colour (C1) to a second fluorescent colour (C2) different from the first.
G07D 7/00 - Vérification spécialement adaptée à la détermination de l’identité ou de l’authenticité de papiers de valeur ou pour discriminer ceux qui sont inacceptables, p. ex. qui ne correspondent pas à une monnaie
G07D 7/12 - Lumière visible, rayonnement infrarouge ou ultraviolet
46.
COMPOSITION FOR FIDUCIARY USE AND SECURITY DOCUMENT USING SAME
The invention concerns a composition for fiduciary use. It is remarkable in that it comprises a printing matrix that is liquid or pasty before drying, preferably colourless, and a reversible mecanoluminescent compound having the following chemical formula A: Formula (A), in which: - Ar represents a monosubstituted polycyclic aromatic hydrocarbon resulting from the single or multiple fusion of n benzene rings, n being between 4 and 10, - n1 is between 0 and 10, n2 is between 0 and 10, - n1 and n2 not being simultaneously equal to 0, - Y is an organic or heteroorganic group, chosen in particular from the cyano, trifluoromethyl, formyl, ester, nitro, halogen, sulfoxide, sulfonyl, tricyanoethenyl, ammonium and phosphonium groups.
B42D 15/00 - Cartes ou imprimés d'un format ou d'un type particulier non prévu ailleurs
B42D 25/00 - Cartes ou structures de type feuille portant des informations caractérisées par leurs éléments d’identification ou de sécuritéLeur fabrication
47.
SHEET TRANSFER CYLINDER AND ASSEMBLY CONSISTING OF A JUXTAPOSITION OF SUCH CYLINDERS
The present invention relates in particular to a sheet transfer cylinder (1), the sheets having previously been printed by screen printing with the aid of an ink that contains particles that are orientable under the effect of a magnetic field, this cylinder being in the form of a ring, - which has, opening out at its surface, a peripheral annular channel (3) in which at least one magnet (4) for orienting said particles contained in the ink is positioned; - and which has suction means that open out at said surface, away from the channel, in the form of at least one zone provided with perforations (110) for pressing said sheets against this surface, characterized in that said at least one zone provided with perforations (110) is in one piece with the rest of the ring.
The present invention relates, in particular, to a security document, such as a bank note, which is formed from a sheet (1) which comprises, on at least one of the opposing faces (10, 11) thereof, at least one protruding tactile mark or "mark for the blind" (2) suitable for enabling the blind and partially sighted to identify a specific feature such as the face value of said document, by touching said mark (2), and to participate in the determination of the authenticity thereof, characterised in that said mark (2) is at least partially surrounded by at least one first textured area (3), i.e. a surface whereof the feel is different and differs from that of the rest of said sheet (1), the second face (11, 10) also having a second textured area (4).
The present invention relates to a method for treating the surface of a banknote (1) comprising, on at least one of its opposing surfaces (20, 21), at least a printed item comprised of at least a design (3), this surface (20, 21) and its associated printed item (3) being covered in a transparent protective coating (R), characterized by the fact that a coating is applied via printing, said coating containing a varnish and an organic chemical compound incorporating fluorine atoms in the form of at least a perfluoro-polyether (PFPE) group, on said surface (20, 21), and by the fact that it is dried.
D21H 19/16 - Couches sans pigments appliquées sous une forme autre que la solution aqueuse définie dans le groupe comprenant des composés réticulables ou polymérisables
D21H 19/20 - Couches sans pigments appliquées sous une forme autre que la solution aqueuse définie dans le groupe comprenant des composés macromoléculaires obtenus par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carbone
D21H 21/40 - Agents facilitant un test d'authenticité ou empêchant une modification frauduleuse, p. ex. pour papier de sûreté
B42D 15/00 - Cartes ou imprimés d'un format ou d'un type particulier non prévu ailleurs
D21H 19/24 - Couches sans pigments appliquées sous une forme autre que la solution aqueuse définie dans le groupe comprenant des composés macromoléculaires obtenus par des réactions autres que celles faisant intervenir uniquement des liaisons non saturées carbone-carbone
The present invention relates in particular to a security strip (1) to be partially embedded into the structure of a security document (2) at least partially made of fibers, said strip being flush at the surface of the document in the form of a set of windows (F), and including a transparent or translucent support material which is coated on one so-called upper surface thereof with a coating that is visible by means of reflection, and which includes a longitudinal strip (3) which is at least partially free of said coating and which separates first and second thread-forming areas (4, 4') coated with said coating, characterized in that each of the thread-forming areas (4, 4') has two different optical renderings and/or patterns that are visible by means of reflection, respectively, and in that said thread-forming areas include negative patterns (M) referenced relative to one another, respectively, i.e. at least one pair of said referenced patterns always has the same spacing pitch along said areas.
B42D 15/10 - Cartes d'identité, cartes de crédit, cartes bancaires ou cartes analogues portant des informations (supports d'enregistrement, p.ex. cartes d'identité ou cartes de crédit, pour utilisation avec des machines et avec au moins une partie prévue pour supporter des marques numériques G06K 19/00)
51.
SECURITY ELEMENT FOR A VALUE DOCUMENT, MANUFACTURING METHOD, AND CORRESPONDING DOCUMENT
The present invention relates, in particular, to a security element (12) for a value document (1), which consists of an initially planar substrate (G), including an array (14) of raised lines (16), each raised line (16) comprising a profile (F), said profile (F) comprising gradual variations in the shape thereof along a predetermined line (16) or from one line to the other, said array (16) being colored, characterized in that said colored network (16) consists of repeating contiguous strips (3) formed by adjacent or contiguous threads (120, 121, 122) of at least two different colors (B, R, Y), said strips (3) being overall oriented in the same direction as that of said lines (16) of said array (14).
This security device comprises a security component (16) which comprises at least first (Z1) and second (Z2) zones that respectively produce first and second optical effects that each have at least two characteristic aspects in different observation configurations of the component (16). More precisely, the device comprises an image (18) which is at least partially in relief and is obtained by deformation of said component (16) and of said backing (10) to which said component (16) is affixed, this image (18) comprising at least a first and a second graphic element (20; 22) and extending at least partially in the two zones (Z1, Z2), and at least said first (20) and second (22) graphic elements of the image (18) are respectively revealed in the first (Z1) and second (Z2) zones by the appearance of at least one of the two aspects of the first and second optical effects, respectively.
B42D 15/00 - Cartes ou imprimés d'un format ou d'un type particulier non prévu ailleurs
B42D 15/10 - Cartes d'identité, cartes de crédit, cartes bancaires ou cartes analogues portant des informations (supports d'enregistrement, p.ex. cartes d'identité ou cartes de crédit, pour utilisation avec des machines et avec au moins une partie prévue pour supporter des marques numériques G06K 19/00)
54.
SURFACE TREATMENT METHOD FOR A SECURITY DOCUMENT AND CORRESPONDING DOCUMENT AND MACHINE
The invention especially relates to a method for treating the surface of a printed security document (1), in which an ultra-thin coating (3, 3') is deposited on at least one of the faces (10, 11) of said document (1) using an atmospheric-pressure plasma technique. The invention is characterized in that a protective film (2) is deposited on, or applied to the aforementioned face (10, 11) before the ultra-thin coating (3, 3') is deposited thereon.
B05D 5/08 - Procédés pour appliquer des liquides ou d'autres matériaux fluides aux surfaces pour obtenir des effets, finis ou des structures de surface particuliers pour obtenir une surface antifriction ou anti-adhésive
B05D 7/24 - Procédés, autres que le flocage, spécialement adaptés pour appliquer des liquides ou d'autres matériaux fluides, à des surfaces particulières, ou pour appliquer des liquides ou d'autres matériaux fluides particuliers pour appliquer des liquides ou d'autres matériaux fluides particuliers
B29C 59/14 - Façonnage de surface, p. ex. gaufrageAppareils à cet effet par plasma
B41F 23/08 - Dispositifs de finition des surfaces imprimées, p. ex. glaçage de ces surfaces
B41M 7/00 - Traitement ultérieur des travaux imprimés, p. ex. chauffage, irradiation
B42D 15/00 - Cartes ou imprimés d'un format ou d'un type particulier non prévu ailleurs
D21H 19/16 - Couches sans pigments appliquées sous une forme autre que la solution aqueuse définie dans le groupe comprenant des composés réticulables ou polymérisables
D21H 25/06 - Traitement physique, p. ex. chauffage ou irradiation du papier imprégné ou couché
55.
VALUE DOCUMENT HAVING RESPECTIVELY MATT AND GLOSSY PROTECTIVE LAYERS
The invention relates to a value document, which consists of a support sheet (1), at least one face (10) of which comprises, over at least part of its surface, a transparent or translucent protective layer (2), called "first layer", of matt visual appearance, this layer being partially covered with a second protective layer (3) also transparent or translucent, but of glossy visual appearance.
B42D 15/00 - Cartes ou imprimés d'un format ou d'un type particulier non prévu ailleurs
B42D 15/10 - Cartes d'identité, cartes de crédit, cartes bancaires ou cartes analogues portant des informations (supports d'enregistrement, p.ex. cartes d'identité ou cartes de crédit, pour utilisation avec des machines et avec au moins une partie prévue pour supporter des marques numériques G06K 19/00)
B44F 1/02 - Dessins ou peintures caractérisés par des effets de lumière particuliers ou inhabituels produits par la lumière réfléchie, p. ex. surfaces mates, surfaces brillantes
56.
SECURITY DOCUMENT INCLUDING PATTERNS WITH VARIABLE OPTICAL EFFECT
The invention relates to a document (10) which includes a substrate (12) and a security element (20) including first (22A) and second (22B) patterns supported by the substrate (12), the substrate (12) also including a translucent or transparent area (14), with the first and second patterns (22A, 22B) at least partially extending therein. The first and second patterns (22A, 22B) are suitable for producing, inside the transparent area (14), at least first and second colours respectively when observing the document (10) by reflection and for switching said first and second colours when observing the document (10) being sent.
B42D 15/00 - Cartes ou imprimés d'un format ou d'un type particulier non prévu ailleurs
B42D 15/10 - Cartes d'identité, cartes de crédit, cartes bancaires ou cartes analogues portant des informations (supports d'enregistrement, p.ex. cartes d'identité ou cartes de crédit, pour utilisation avec des machines et avec au moins une partie prévue pour supporter des marques numériques G06K 19/00)
brevets
