METHOD FOR MANUFACTURING A DATA CARRIER AND DATA CARRIER THUS OBTAINED

METHOD FOR MANUFACTURING A DATA CARRIER METALLIZED MULTILAYER REFLECTIVE INDICIA

METHOD OF MANUFACTURING A DATA CARRIER MULTILAYER SECURITY INDICIA

L'invention concerne un procédé de fabrication d'un support de données multicouche par lamination à chaud et sous pression d'une pluralité de couches (12) superposées et présentant des inscriptions de sécurité. On réalise une lamination de marquage d'au moins une couche (12a) à marquer revêtue d'un film (20, 21) de marquage portant des inscriptions (22) en vitrophanie appliquées au contact de ladite couche à marquer, puis on sépare le film de marquage de ladite couche à marquer, cette dernière présentant lesdites inscriptions de sécurité.

THERMOCHROMIC INK COMPOSITION

ABSTRACT A thermochromic ink composition includes, in a liquid medium, known as solvent, a dispersion of thermochromic microcapsules incorporating at least one leuco-dye and a thermoplastic binder selected from the group containing polyacrylic polyesters, polyurethanes and copolymers thereof. The composition is characterised in that the solvent is aprotic. A method for producing a card and such a card incorporating at least one thermochromic pattern produced with a = thermochromic ink composition are also described. CA 2910744 2020-05-05 ...

DOCUMENT INCLUDING AT LEAST TWO IMAGES PHOTOLUMINESCENT, FILM AND METHOD FOR PROTECTING SECURE SECURITY

METHOD OF MANUFACTURING A MULTILAYER DATA CARRIER HAVING SECURITY INSCRIPTIONS

METHOD FOR MAKING A MULTI-LAYER DATA CARRIER SECURITY INDICIA

METHOD FOR PRODUCING A MULTI-LAYER INFORMATION-LABELED AND LASER MARK

L'invention concerne un procédé de fabrication d'un support de données multicouche par lamination à chaud et sous pression susceptible d'être marqué sous l'effet d'un rayonnement laser appliqué sur au moins une face (11) extérieure de ce support, dans lequel au moins un marquage (13) à effet optiquement variable est disposé par rapport à une sous-couche de marquage laser de telle sorte que ladite face (11) extérieure présente une portion à effet optiquement variable optiquement superposée à au moins une partie de la sous-couche de marquage laser et une portion (16) dénuée de marquage à effet optiquement variable optiquement superposée à au moins une partie de la sous-couche de marquage laser. Ces portions sont réalisées avec des teneurs en au moins un agent de marquage sensible audit rayonnement laser qui sont différentes. The invention relates to a method of manufacturing a multilayer data carrier by hot and pressure lamination which can be marked under the effect of a laser radiation applied to at least one outer face (11) of this support, wherein at least one optically variable marking (13) is arranged with respect to a laser marking sublayer such that said outer face (11) has an optically variable portion optically superimposed on at least a portion of the laser marking sub-layer and a portion (16) devoid of optically variable marking optically superimposed on at least a portion of the laser marking sub-layer. These portions are made with contents of at least one marking agent sensitive to said laser radiation which are different.

METALLISED HOLOGRAPHIC FILM AND METHOD FOR MAKING SAME

METHOD OF MANUFACTURING A MULTILAYER DATA CARRIER HAVING SECURITY INSCRIPTIONS

METHOD OF MANUFACTURING A DATA CARRIER MULTILAYER METALLIZED REFLECTIVE INDICIA

L'invention concerne un procédé de fabrication d'un support de données multicouche présentant des inscriptions (23) métallisées réfléchissantes visibles à partir d'au moins une face (11) externe. On imprime sur une couche (21) d'impression transparente un motif (24) de base choisi pour pouvoir recevoir lesdites inscriptions (23), être transparent, et présenter une tension de surface supérieure à 40 dynes/cm et un état de surface lisse de réflexion spéculaire supérieure à 50 % mesurée selon la norme ISO 2813 avec un angle de 60°, et aucune température de transition vitreuse dans la plage de température de lamination ; puis on imprime lesdites inscriptions (23) au contact dudit motif (24) de base, puis on réalise la lamination à chaud et sous pression d'un empilement comprenant cette couche (21) d'impression.

METHOD AND DEVICE FOR PROTECTING SECURE AN OFFICIAL DOCUMENT OFFICIAL DOCUMENT THUS PROTECTED AND

FLEXIBLE LABEL OF SAFETY INCLUDING/UNDERSTANDING AT LEAST A MICROCIRCUIT AND AT LEAST A PERIPHERAL LAYER OF REINFORCEMENT AROUND THE MICROCIRCUIT

METHOD AND PRODUCT FOR PROTECTING AN OBJECT WITH A SOLUBLE BINDER SECURITY PRINT

PROCESS FOR PROTECTING A DOCUMENT, PROTECTIVE DEVICE COMPRISING AN ADHESIVE LAYER AND DOCUMENT

METHOD AND DEVICE FOR THE SECURE PROTECTION OF AN OFFICIAL DOCUMENT AND OFFICIAL DOCUMENT THUS PROTECTED

A method for the secure protection of a portion of the surface of an official document bearing markings, in which: a transparent security layer (17) is selected, the layer including at least one semi-transparent printed image including at least one transparent binder and at least one thermochromic pigment (14, 13, 12, 11); the semi-transparent printed image reveals at least one semi-transparent visible pattern in a first non-activated state at least a first temperature, such that the markings can be seen through the image, the pattern not being visible in a second activated state at least a second temperature different from the first temperature. A device for the secure protection of a portion of the surface of an official document and such an official document are also described.

SEDENTARY SAFETY PROCESS AND DEVICE OF OFFICIAL DOCUMENTS USING A TRANSPARENT FILM HAVE THERMOPLASTIC SINGLE CONTINUOUS LAYER

L'invention concerne un procédé de protection sécuritaire d'une portion de surface (5) d'un document officiel (9) dans lequel on transfère à chaud un film de sécurité transparent sur ladite portion de surface. Le film de sécurité comprend une unique couche continue (2) déterminant son format et ayant une épaisseur comprise entre 5 µm et 25 µm, constituée d'une résine thermoplastique présentant une température de transition vitreuse comprise entre 30° C et 120° C. On lamine un dispositif de protection portant ce film de sécurité à une température de lamination supérieure à la dite température de transition vitreuse de façon à réaliser son transfert. The invention relates to a method for the safety protection of a surface portion (5) of an official document (9) in which a transparent security film is transferred to said surface portion. The security film comprises a single continuous layer (2) determining its format and having a thickness of between 5 μm and 25 μm, consisting of a thermoplastic resin having a glass transition temperature of between 30 ° C. and 120 ° C. laminates a protective device carrying this security film at a lamination temperature higher than said glass transition temperature so as to carry out its transfer.

METHOD FOR PROTECTING A DOCUMENT, PROTECTION DEVICE INCLUDES AN ADHESIVE LAYER AND DOCUMENT

FLEXIBLE ADHESIVE LABEL FOR SECURITY FURNISHED WITH AT LEAST ONE CONTACTLESS MICROCIRCUIT FOR AN OFFICIAL DOCUMENT

A flexible adhesive label for anti-falsification security includes a first flexible sheet (1) whose format corresponds at least substantially to that of the label, at least one antenna (2) for remote transmission and at least one microcircuit (8) all fixed to a first face (14) of the first sheet (1), a layer (15) of external adhesive covering the second face (18) of the first sheet (1), and suitable for allowing the adhesive label to be bonded to an official document. The first sheet (1) and each microcircuit (8) are covered with a second printable flexible sheet (12)notably of paperbonded by a layer of adhesive (13) onto the first face (14) and onto each microcircuit (8). The invention extends to an official document including at least one label according to the invention.

METALLISED HOLOGRAPHIC FILM AND METHOD FOR MAKING SAME

A metallised film includes at least one reflective layer (14, 17) of printed metallised ink, wherein the layer (17) of printed metallised ink includes a hardened binder incorporating at least one charge of metallised particles exhibiting a reflective metallic appearance, and the charge of metallised particles includes particles in the general form of platelets exhibiting reflective faces, and wherein the layer (17) of printed metallised ink is applied in contact with a layer (14, 15) exhibiting a surface tension greater than 40 dynes/cm and a smooth surface quality of specular reflection greater than 50%, measured in accordance with standard ISO 2813 with an angle of 60°. A process for manufacturing this film is also described.

METHOD AND DEVICE FOR PROTECTING SECURITY OFFICIAL DOCUMENTS USING A TRANSPARENT FILM HAS SINGLE CONTINUOUS THERMOPLASTIC LAYER

METHOD OF MANUFACTURING A DATA CARRIER AND DATA CARRIER THUS OBTAINED

L'invention concerne un procédé de fabrication d'un support (1) de données multicouche dans lequel : - on choisit un support de données multicouche comprenant au moins une couche (16) de sécurité transparente et au moins une couche (17) de marquage, sensible à un rayonnement (5) électromagnétique de marquage, - ladite couche (16) de sécurité transparente comprend au moins une image imprimée semi-transparente comprenant au moins un pigment thermochromique, - on réalise au moins une marque (30) à l'aide dudit rayonnement électromagnétique de marquage, au travers de ladite image imprimée, - ladite image imprimée semi-transparente fait apparaitre dans un premier état, dit état non activé, au moins un motif visible semi-transparent permettant, après ladite étape de marquage, la visualisation de ladite marque (30) à travers cette image, ledit motif n'étant pas visible dans un second état, dit état activé. L'invention concerne également un support (1) de données multicouche.

THERMOCHROMIC INK COMPOSITION

A thermochromic ink composition includes, in a liquid medium, known as solvent, a dispersion of thermochromic microcapsules incorporating at least one leuco-dye and a thermoplastic binder selected from the group containing polyacrylic polyesters, polyurethanes and copolymers thereof. The composition is characterised in that the solvent is aprotic. A a method for producing a card and such a card incorporating at least one thermochromic pattern produced with a thermochromic ink composition are also described. 114-. (canceled)16. The composition as claimed in claim 15 , wherein said solvent is chosen from the group of aprotic solvents having a dipole moment of from 0 to 1.9 C·m.17. The composition as claimed in claim 15 , wherein said solvent is chosen from the group of aprotic solvents having a dielectric constant of from 1.5 to 11.18. The composition as claimed in claim 15 , wherein said solvent is chosen from the group of polar aprotic solvents.19. The composition as claimed in claim 15 , comprising thermochromic microcapsules of melamine formaldehyde.20. The composition as claimed in claim 15 , comprising as binder a thermoplastic resin chosen from the group formed of alkyl poly(meth)acrylates and copolymers thereof.21. The composition as claimed in claim 15 , further comprising at least one anti-UV additive chosen from the group formed of ultraviolet absorbers and light stabilizers.22. The composition as claimed in claim 15 , comprising from 1 wt. % to 10 wt. %—especially from 2 wt. % to 5 wt. %—of an anti-UV additive.23. The composition as claimed in claim 15 , comprising in said solvent from 5 to 35 wt. % thermochromic microcapsules claim 15 , from 30 to 45 wt. % thermoplastic binder claim 15 , from 1 to 10 wt. % of at least one anti-UV additive.24. Method for producing a card of thermoplastic material—especially of polycarbonate—comprising at least one step of hot lamination under pressure of a plurality of layers of thermoplastic material especially of ...

METALLIZED HOLOGRAPHIC FILM AND METHOD FOR MAKING SAME

METHOD FOR PRODUCING A MULTI-LAYER INFORMATION-LABELED AND LASER MARK

METHOD FOR PROTECTING A DOCUMENT, PROTECTION DEVICE INCLUDES AN ADHESIVE LAYER AND DOCUMENT

L'invention concerne un procédé de protection des inscriptions variables d'un document (10) dans lequel : - on colle un film (2) transparent sur une face dudit document en vue de protéger des inscriptions variables dudit document (10), par l'intermédiaire d'au moins une couche adhésive (5) comprenant au moins un polymère thermoplastique, - la couche adhésive comprend un polymère thermoplastique présentant une température de transition vitreuse comprise entre 40°C et 110°C et présentant un indice d'hydroxyle compris entre 3mg de KOH/g et 60mg de KOH/g et/ou un indice d'acide compris entre 2mg de KOH/g et 150mg de KOH/g, - ladite couche adhésive comprend un agent réticulant présentant au moins 2,8 fonctions choisies dans le groupe formé des isocyanates, des carbodiimides, des azyridines et des alcoxysilanes, - lors du collage, on réalise une réticulation de ladite couche adhésive. L'invention concerne également un dispositif de protection (1) et un document (10).

METHOD FOR REALIZATION Of an IRIDESCENT PRINTED POLYCHROMATIC IMAGE TRANSPARENT

PROCEEDED OF CONNECTION Of a MICROCIRCUIT HAS TERMINALS Of an ANTENNA PRINTED ON a SUPPORT

The method involves depositing a dielectric adhesive (22) e.g. epoxy adhesive, on a support (1), and placing an electronic microcircuit (8) on the support. The microcircuit is compressed to provoke plastic deformation of gold connection pins (9, 10) of the microcircuit and connection terminals (6, 7) of an antenna, where the plasticity of the pins is greater than that of the support. A disk shaped base of the pins extends via a portion. A bottom part of the portion has a radius lower than that of the base. A height of the portion from the base is lower than/equal to an antenna thickness.

METHOD OF PRODUCING A TRANSPARENT POLYCHROMATIC PRINTED IRIDESCENT IMAGE

A method of producing a transparent polychromatic printed iridescent image (8) of any kind in which at least two colors change simultaneously when there is a change in the viewing angle of the image under illumination by at least one visible light source.

FLEXIBLE LABEL OF SAFETY INCLUDING/UNDERSTANDING AT LEAST A MICROCIRCUIT

METHOD FOR REALIZATION Of an IRIDESCENT PRINTED POLYCHROMATIC IMAGE TRANSPARENT

L'invention concerne un procédé de réalisation d'une image (8) transparente polychromatique imprimée iridescente quelconque dont au moins deux couleurs changent simultanément lors d'un changement d'angle de vue de ladite image sous éclairage par au moins une source de lumière visible. The invention relates to a method for producing an iridescent printed polychromatic transparent image (8) of which at least two colors change simultaneously during a change of angle of view of said image under illumination by at least one visible light source. .

METHOD AND DEVICE FOR PROTECTING TEXT FOR READING

METHOD FOR MANUFACTURING A CARD AND CARD COMPRISING AT LEAST ONE THERMOCHROMIC PATTERN

THERMOCHROMIC INK COMPOSITION

METHOD OF PRODUCING AN IRIDESCENT POLYCHROMATIC TRANSPARENT PRINTED IMAGE

FILM FOR TRANSFERRING AT LEAST ONE MARK ON AT LEAST ONE SUBSTRATE TO BE MADE SECURE, METHOD FOR MAKING AND FOR TRANSFERRING SUCH A TRANSFER FILM

METHOD AND DEVICE FOR THE SECURE PROTECTION OF AN OFFICIAL DOCUMENT AND OFFICIAL DOCUMENT THUS PROTECTED

Method of producing a transparent polychromatic printed iridescent image

A method of producing a transparent polychromatic printed iridescent image (8) of any kind in which at least two colors change simultaneously when there is a change in the viewing angle of the image under illumination by at least one visible light source.

Method for manufacturing a data medium and data medium thus obtained

Disclosed is a method for manufacturing a multilayer data medium (1), in which method: a multilayer data medium, including at least one transparent security layer (16), and at least one marking layer (17), sensitive to electromagnetic-marking radiation (5), are selected; the transparent security layer (16) includes at least one semi-transparent printed image including at least one thermochromic dye; at least one marking (30) is made using the electromagnetic-marking radiation, through the printed image; the semi-transparent printed image reveals, in a first state referred to as the inactivated state, at least one semi-transparent visible pattern that makes it possible, after the marking step, to view the marking (30) through the image, the pattern not being visible in a second state, referred to as the activated state. The invention also relates to a multilayer data medium (1).

Thermochromic ink composition

A thermochromic ink composition includes, in a liquid medium, known as solvent, a dispersion of thermochromic microcapsules incorporating at least one leuco-dye and a thermoplastic binder selected from the group containing polyacrylic polyesters, polyurethanes and copolymers thereof. The composition is characterized in that the solvent is aprotic. A a method for producing a card and such a card incorporating at least one thermochromic pattern produced with a thermochromic ink composition are also described.

Method for manufacturing a multilayer data medium with reflecting metallised inscriptions

Disclosed is a method for manufacturing a multilayer data medium having reflecting metallized inscriptions (23) visible from at least one outer surface (11). A basic pattern (24) is imprinted onto a transparent impression layer (21), the pattern being selected so as to be able to receive the inscriptions (23), to be transparent and to have a surface tension of more than 40 dynes/cm and a smooth surface condition with specular reflection of more than 50% measured according to the ISO 2813 standard at an angle of 60°, and no glass-transition temperature in the rolling temperature range; then the inscriptions (23) are imprinted in contact with the basic pattern (24), and then hot rolling under pressure of a stack including the impression layer (21) is carried out.

Method for manufacturing a multilayer data medium with security marking which can be marked by laser

Disclosed is a method for manufacturing a multi-layer data medium by hot rolling under pressure, able to be marked under the effect of laser radiation applied to at least one outer surface (11) of this medium, in which at least one marking (13) with optically variable effect is disposed with respect to a laser marking sub-layer so that the outer surface (11) has a portion with optically variable effect optically superimposed on at least one part of the laser marking sub-layer and a portion (16) without marking with optically variable effect optically superimposed on at least one part of the laser marking sub-layer. These portions are produced with contents of at least one marking agent which is sensitive to the laser radiation which are different.

PROCESS FOR PROTECTING A DOCUMENT, PROTECTIVE DEVICE COMPRISING AN ADHESIVE LAYER AND DOCUMENT

The invention relates to a process for protecting variable inscriptions of a document in which: a transparent film is bonded to a face of said document with a view to protecting variable inscriptions of said document, by at least one adhesive layer comprising at least one thermoplastic polymer having a glass transition temperature between 40° C. and 110° C. and having a hydroxyl value between 3 mg of KOH/g and 60 mg of KOH/g and/or an acid value between 2 mg of KOH/g and 150 mg of KOH/g, said adhesive layer comprises a crosslinking agent having at least 2.8 functions selected from the group formed of isocyanates, carbodiimides, aziridines and alkoxysilanes, during the bonding, a crosslinking of said adhesive layer is carried out. The invention also relates to a protective device and to a document.

Metallised film and process for its manufacture

A metallised film includes at least one reflective layer (14, 17) of printed metallised ink, wherein the layer (17) of printed metallised ink includes a hardened binder incorporating at least one charge of metallised particles exhibiting a reflective metallic appearance, and the charge of metallised particles includes particles in the general form of platelets exhibiting reflective faces, and wherein the layer (17) of printed metallised ink is applied in contact with a layer (14, 15) exhibiting a surface tension greater than 40 dynes/cm and a smooth surface quality of specular reflection greater than 50%, measured in accordance with standard ISO 2813 with an angle of 60°. A process for manufacturing this film is also described.

METALLISED HOLOGRAPHIC FILM AND PROCESS FOR ITS MANUFACTURE

A metallised film includes at least one reflective layer (14, 17) of printed metallised ink, wherein the layer (17) of printed metallised ink includes a hardened binder incorporating at least one charge of metallised particles exhibiting a reflective metallic appearance, and the charge of metallised particles includes particles in the general form of platelets exhibiting reflective faces, and wherein the layer (17) of printed metallised ink is applied in contact with a layer (14, 15) exhibiting a surface tension greater than 40 dynes/cm and a smooth surface quality of specular reflection greater than 50%, measured in accordance with standard ISO 2813 with an angle of 60°. A process for manufacturing this film is also described.

METHOD FOR MANUFACTURING A MULTILAYER DATA MEDIUM WITH SECURITY MARKING WHICH CAN BE MARKED BY LASER

PROCESS FOR MANUFACTURING A DATA SUPPORT AND DATA SUPPORT OBTAINED THEREWITH

Method for the production of a multi-layer data medium with security inscriptions

Disclosed is a method for the production of a multi-layer data medium by the hot rolling under pressure of a plurality of superimposed layers (12) having security inscriptions. Marking rolling is carried out on at least one layer to be marked (12a) covered with a marking film (20, 21) bearing inscriptions (22) in vitrophany applied in contact with the layer to be marked, then the marking film is separated from the layer to be marked, the latter having the security inscriptions.

METHOD AND PRODUCT FOR PROTECTING AN OBJECT WITH A SOLUBLE BINDER SECURITY PRINT

Method and device for the secure protection of an official document and official document thus protected

A method for the secure protection of a portion of the surface of an official document bearing markings, in which: a transparent security layer (17) is selected, the layer including at least one semi-transparent printed image including at least one transparent binder and at least one thermochromic pigment (14, 13, 12, 11); the semi-transparent printed image reveals at least one semi-transparent visible pattern in a first non-activated state at least a first temperature, such that the markings can be seen through the image, the pattern not being visible in a second activated state at least a second temperature different from the first temperature. A device for the secure protection of a portion of the surface of an official document and such an official document are also described.

METHOD FOR MANUFACTURING A MULTILAYER DATA MEDIUM WITH SECURITY MARKING WHICH CAN BE MARKED BY LASER

The invention relates to a method for manufacturing a multi-layer data medium by hot rolling under pressure, able to be marked under the effect of laser radiation applied to at least one outer surface () of this medium, in which at least one marking () with optically variable effect is disposed with respect to a laser marking sub-layer so that said outer surface () has a portion with optically variable effect optically superimposed on at least one part of the laser marking sub-layer and a portion () without marking with optically variable effect optically superimposed on at least one part of the laser marking sub-layer. These portions are produced with contents of at least one marking agent which is sensitive to said laser radiation which are different. 114-. (canceled)16132020171816. Method according to claim 15 , wherein each marking () with optically variable effect is disposed with respect to the laser marking sub-layer () so that said laser marking sub-layer () extends facing at least one separation ( claim 15 , ) between the portion with optically variable effect and the portion () without marking with optically variable effect.1711. Method according to claim 15 , wherein said contents of at least one marking agent which is sensitive to said laser radiation are selected so that the laser marking obtained under the effect of said laser radiation claim 15 , as seen from said outer surface () claim 15 , is at least substantially homogeneous.18162122. Method according to claim 15 , wherein said portion () without marking with optically variable effect is without any marking agent which is sensitive to said laser radiation claim 15 , at least one marking agent which is sensitive to said laser radiation being incorporated into at least one covering layer ( claim 15 , ) only in said portion with optically variable effect.1921222122. Method according to claim 15 , wherein at least one covering layer ( claim 15 , ) incorporating at least one marking agent which is ...

METHOD FOR THE PRODUCTION OF A MULTI-LAYER DATA MEDIUM WITH SECURITY INSCRIPTIONS

Disclosed is a method for the production of a multi-layer data medium by the hot rolling under pressure of a plurality of superimposed layers ( 12 ) having security inscriptions. Marking rolling is carried out on at least one layer to be marked ( 12 a ) covered with a marking film ( 20, 21 ) bearing inscriptions ( 22 ) in vitrophany applied in contact with the layer to be marked, then the marking film is separated from the layer to be marked, the latter having the security inscriptions.

Document comprising at least two photoluminescent images, security film and protective security method

A document (15) includes at least: one first image (5) including at least one photoluminescent pigment which is invisible under illumination in visible light and is visible under illumination by at least one first source (20) of non-visible light emitting in the short ultraviolet domain, one second image including at least one photoluminescent pigment which is invisible under illumination in visible light and is visible under illumination by at least one second source of non-visible light emitting in the long ultraviolet domain, one layer, named a filtering layer, arranged facing the second image and including at least one material, named a filtering material, suitable for allowing the wavelengths emitted by the first source of non-visible light to be filtered without preventing the first image from being seen under illumination by the first light source.

METHOD FOR MANUFACTURING A MULTILAYER DATA MEDIUM WITH REFLECTING METALLISED INSCRIPTIONS

Disclosed is a method for manufacturing a multilayer data medium having reflecting metallised inscriptions () visible from at least one outer surface (). A basic pattern () is imprinted onto a transparent impression layer (), the pattern being selected so as to be able to receive the inscriptions (), to be transparent and to have a surface tension of more than 40 dynes/cm and a smooth surface condition with specular reflection of more than 50% measured according to the ISO 2813 standard at an angle of 60°, and no glass-transition temperature in the rolling temperature range; then the inscriptions () are imprinted in contact with the basic pattern (), and then hot rolling under pressure of a stack including the impression layer () is carried out. 110231110. Method of manufacturing a multilayer data medium () by hot rolling under pressure of a stack of a plurality of superimposed layers comprising at least one layer of at least one thermoplastic material , said multilayer data medium having inscriptions , named reflecting metallised inscriptions () , having a metallic appearance , being at least partially reflective and visible from at least one outer surface () of said multilayer data medium () , said hot rolling being effected in a temperature range , named rolling temperature range , wherein:{'b': 22', '21', '24', '23, 'claim-text': a surface tension of more than 40 dynes/cm and a smooth surface condition with specular reflection of more than 50% measured according to the ISO 2813 standard at an angle of 60°,', 'no glass-transition temperature in the rolling temperature range,, 'one surface, named impression surface (), of at least one transparent layer, named impression layer (), of said stack is imprinted with a varnish composition in a pattern, named the basic pattern (), selected to be able to receive said reflecting metallised inscriptions (), said varnish composition being selected in order—after curing—to be transparent and to have{'b': 23', '24, 'said ...

Method for manufacturing a data medium and data medium thus obtained

Disclosed is a method for manufacturing a multilayer data medium ( 1 ), in which method: a multilayer data medium, including at least one transparent security layer ( 16 ), and at least one marking layer ( 17 ), sensitive to electromagnetic-marking radiation ( 5 ), are selected; the transparent security layer ( 16 ) includes at least one semi-transparent printed image including at least one thermochromic dye; at least one marking ( 30 ) is made using the electromagnetic-marking radiation, through the printed image; the semi-transparent printed image reveals, in a first state referred to as the inactivated state, at least one semi-transparent visible pattern that makes it possible, after the marking step, to view the marking ( 30 ) through the image, the pattern not being visible in a second state, referred to as the activated state. The invention also relates to a multilayer data medium ( 1 ).

METHOD AND DEVICE FOR SECURELY PROTECTING AN OFFICIAL DOCUMENT AND OFFICIAL DOCUMENT SO PROTECTED

L'invention concerne un procédé de protection sécuritaire d'une portion de surface d'un document officiel portant des inscriptions, dans lequel : - on choisit un dispositif de protection dont le film (16) de sécurité transparent comprend au moins une image imprimée semi-transparente comprenant au moins un liant transparent et au moins un pigment thermochromique, - ladite image imprimée semi-transparente fait apparaitre dans un premier état non activé, à au moins une première température, au moins un motif visible semi-transparent de façon à permettre la visualisation des inscriptions à travers cette image, ledit motif n'étant pas visible dans un second activé, à au moins une deuxième température différente de la première température. L'invention concerne également un tel dispositif de protection sécuritaire d'une portion de surface d'un document officiel et un document officiel comprenant un tel dispositif.

ANTI-FALSIFY FLEXIBLE SAFETY ADHESIVE VIGNETTE, OFFICIAL DOCUMENT COMPRISING SUCH A THUMBNAIL AND A METHOD OF MANUFACTURING THE SAME

FLEXIBLE SAFETY VIGNETTE COMPRISING AT LEAST ONE MICROCIRCUIT

L'invention concerne une vignette souple de sécurité comprenant au moins un microcircuit (8) fixé sur une face (10) d'un support souple (1), une pellicule (17) de compensation d'épaisseur dont la hauteur totale à partir du support (1) est inférieure à la hauteur du microcircuit (8), une pellicule (22) de recouvrement collée à la pellicule (17) de compensation d'épaisseur et à chaque microcircuit (8) par une couche (23) d'adhésif thermoréactivable compensant au moins partiellement la surépaisseur (21) formée par chaque microcircuit (8), comblant au moins pour partie l'espace entre chaque microcircuit (8) et l'évidement (19) correspondant de la pellicule (17) de compensation d'épaisseur, et formant un revêtement souple en compression et amortisseur protégeant chaque microcircuit (8) des chocs. The invention relates to a flexible security sticker comprising at least one microcircuit (8) fixed on one face (10) of a flexible support (1), a film (17) for compensation of thickness whose total height from the support (1) is smaller than the height of the microcircuit (8), a covering film (22) adhered to the thickness compensation film (17) and to each microcircuit (8) by a layer (23) of adhesive thermally-activatable at least partially compensating for the excess thickness (21) formed by each microcircuit (8), at least partially filling the space between each microcircuit (8) and the corresponding recess (19) of the compensation film (17). thickness, and forming a flexible coating compression and damper protecting each microcircuit (8) shocks.

FLEXIBLE ADHESIVE SAFETY VIGNETTE WITH AT LEAST ONE CONTACTLESS MICROCIRCUIT FOR OFFICIAL DOCUMENT

FLEXIBLE ADHESIVE SAFETY VIGNETTE WITH AT LEAST ONE CONTACTLESS MICROCIRCUIT FOR OFFICIAL DOCUMENT

L'invention concerne une vignette adhésive souple de sécurité anti-falsification comprenant une première feuille (1) souple dont le format correspond au moins sensiblement à celui de la vignette, au moins une antenne (2) de transmission à distance et au moins un microcircuit (8) fixés sur une première face (14) de la première feuille (1), une couche (15) d'adhésif externe recouvrant la deuxième face (18) de la première feuille (1), et adaptée pour permettre le collage de la vignette adhésive sur un document officiel. La première feuille (1) et chaque microcircuit (8) sont recouverts d'une deuxième feuille souple (12) imprimable -notamment en papier- contrecollée par l'intermédiaire d'une couche d'adhésif (13) sur la première face (14) et sur chaque microcircuit (8). L'invention s'étend à un document officiel comprenant au moins une vignette selon l'invention. The invention relates to a flexible anti-forgery security adhesive label comprising a flexible first sheet (1) whose format corresponds at least substantially to that of the sticker, at least one antenna (2) for remote transmission and at least one microcircuit (8) fixed on a first face (14) of the first sheet (1), a layer (15) of external adhesive covering the second face (18) of the first sheet (1), and adapted to allow the bonding of the sticker on an official document. The first sheet (1) and each microcircuit (8) are covered with a second flexible sheet (12) printable -particularly paper-laminated via an adhesive layer (13) on the first face (14). ) and on each microcircuit (8). The invention extends to an official document comprising at least one sticker according to the invention.

METHOD AND DEVICE FOR PROTECTING AN OBJECT BY BROKEN IMAGE

Flexible adhesive label for security furnished with at least one contactless microcircuit for an official document

The invention relates to a flexible adhesive label for anti-falsification security comprising a first flexible sheet (1) whose format corresponds at least substantially to that of the label, at least one antenna (2) for remote transmission and at least one microcircuit (8) all fixed to a first face (14) of the first sheet (1), a layer (15) of external adhesive covering the second face (18) of the first sheet (1), and suitable for allowing the adhesive label to be bonded to an official document. The first sheet (1) and each microcircuit (8) are covered with a second printable flexible sheet (12) - notably of paper - bonded by means of a layer of adhesive (13) onto the first face (14) and onto each microcircuit (8). The invention extends to an official document comprising at least one label according to the invention.

Methode de fabrication d'un support de donnees multicouche comportant une marque de securite pouvant etre creee au laser

The invention relates to a method for manufacturing a multi-layer data medium by hot rolling under pressure, able to be marked under the effect of laser radiation applied to at least one outer surface (11) of this medium, in which at least one marking (13) with optically variable effect is disposed with respect to a laser marking sub-layer so that said outer surface (11) has a portion with optically variable effect optically superimposed on at least one part of the laser marking sub-layer and a portion (16) without marking with optically variable effect optically superimposed on at least one part of the laser marking sub-layer. These portions are produced with contents of at least one marking agent which is sensitive to said laser radiation which are different.

TRANSFER FILM OF AT LEAST ONE BRAND ON AT LEAST ONE SUBSTRATE TO BE SECURED, METHOD OF MANUFACTURING AND TRANSFERRING SUCH A TRANSFER FILM

Flexible safety vignette for e.g. passport, has peripheral reinforcement chip comprising recess for receiving microcircuit, where chip is extended around microcircuit according to format lower than that of flexible support

The vignette has a microcircuit (8) fixed on a flexible support (1), and a peripheral reinforcement chip (9) comprising a recess (19) for receiving the microcircuit. The chip is extended around the microcircuit according to a format lower than that of the flexible support. The thickness of an assembly formed by the chip around the microcircuit is greater than that of assembly formed by the microcircuit from the flexible support.

Method and device for protecting text for reading

The invention relates to a method and a device for protecting text for reading (23), arranged on at least one written face (22) of an object (25). Said object (25) is connected to at least one matching antenna (12), produced by printing on a support (11) and having at least one electromagnetic coupling zone (14) with an individual antenna of smaller dimensions. At least one security film (3), not provided with a matching antenna (12) but with at least one individual integrated antenna microcircuit called a microtransponder (7), is applied to cover the text for reading (23) for which authentication information may be delivered using the microtransponder (7).

Method of producing an iridescent printed polychromatic transparent image

The invention relates to a method of producing an iridescent printed polychromatic transparent image (8), at least two colours of which change simultaneously upon changing the viewing angle of said image under illumination by at least one visible light source.

Method of producing a transparent polychromatic printed iridescent image

A method of producing a transparent polychromatic printed iridescent image (8) of any kind in which at least two colors change simultaneously when there is a change in the viewing angle of the image under illumination by at least one visible light source.

Safety, adhesive and flexible seal with at least one contactless microcircuit for a official document

Una estampilla de seguridad, antifalsificación, adhesiva y flexible que comprende: - una primera hoja flexible (1) cuyo formato corresponde al menos sustancialmente al de la estampilla; - al menos una antena (2) de transmisión remota de información y/o de señales y/o de energía que puedenemitirse y/o recibirse mediante un microcircuito (8), presentando esta antena (2) de transmisión unos bornes(3, 7) de conexión eléctrica asociados a una primera cara (14) de dicha primera hoja (1); - al menos un microcircuito (8) fijado sobre dicha primera cara (14) de la primera hoja (1) para estar encontacto eléctrico con unos bornes (3, 7) de conexión eléctrica de una antena (2) de transmisióncorrespondiente; - una capa (15) de adhesivo externa que recubre la segunda cara (18), opuesta a la primera cara (14), de dichaprimera hoja (1), estando esta capa (15) de adhesivo externa adaptada para permitir el encolado de laestampilla adhesiva sobre una cara de una hoja flexible imprimible de un documento oficial; caracterizado por que dicha primera hoja (1) y cada microcircuito (8) están recubiertos con una segunda hojaflexible e imprimible (12) -concretamente de papel- contracolada mediante una capa (13) de adhesivo sobre dichaprimera cara (14) de dicha primera hoja (1) y sobre cada microcircuito (8), adhiriéndose dicha capa de adhesivo (13)simultáneamente a la antena (2) de transmisión y a cada microcircuito (8) y sirviendo para compensar el espesor decada microcircuito (8). A flexible, adhesive, anti-counterfeit security stamp comprising: - a first flexible sheet (1) whose format corresponds at least substantially to that of the stamp; - at least one antenna (2) for remote transmission of information and/or signals and/or energy that can be transmitted and/or received by means of a microcircuit (8), this transmission antenna (2) presenting some terminals (3, 7 ) electrical connection associated with a first face (14) of said first sheet (1); - at least one microcircuit (8) fixed on ...

ANTI-FALSIFY FLEXIBLE SAFETY ADHESIVE VIGNETTE, OFFICIAL DOCUMENT COMPRISING SUCH A THUMBNAIL AND A METHOD OF MANUFACTURING THE SAME

L'invention concerne une vignette adhésive souple de sécurité anti-falsification comprenant au moins un microcircuit (12) fixé sur une face (2) d'une couche, dite couche de base (1), de façon à être en contact électrique avec des bornes (4, 6) de connexion électrique d'au moins une antenne (3) de transmission sans contact, une pluralité de couches imprimées les unes sur les autres, dont au moins une couche (16) d'adhésif externe, la force d'adhérence d'au moins une partie d'au moins une couche, dite couche séparable (9), imprimée sur la couche de base (1), et le pouvoir adhésif d'au moins une couche (16) d'adhésif externe, étant adaptés pour que cette couche séparable (9) se sépare au moins partiellement de la couche de base (1) en entraînant une détérioration du fonctionnement du microcircuit en cas de tentative de décollement après application et collage de la vignette adhésive sur un objet. The invention relates to a flexible anti-falsification security adhesive label comprising at least one microcircuit (12) fixed on one face (2) of a layer, called the base layer (1), so as to be in electrical contact with terminals (4, 6) for electrically connecting at least one contactless transmission antenna (3), a plurality of layers printed on each other, including at least one layer (16) of external adhesive, the force of adhering at least a portion of at least one layer, said separable layer (9), printed on the base layer (1), and the adhesive power of at least one layer (16) of external adhesive, being adapted so that this separable layer (9) at least partially separates from the base layer (1) causing a deterioration of the operation of the microcircuit in case of attempted delamination after application and sticking of the adhesive label on an object.

Flexible adhesive label for security furnished with at least one contactless microcircuit for an official document

TRANSPARENT VARNISH COMPOSITION MARKABLE BY LASER RADIATION, LAMINATE COMPRISING THE SAME, AND DEVICE COMPRISING THE LAMINATE

L'invention concerne une composition de vernis transparent marquable par un rayonnement laser, un laminat comprenant une couche cette composition de vernis transparent marquable par un rayonnement laser, marquée ou non marquée, et un dispositif comprenant ce laminat. La composition de vernis marquable par laser selon l'invention est caractérisée en ce qu'elle comprend : a) entre 50 % inclus et 100 % exclus, en poids, par rapport au poids total de la composition, d'au moins un polymère thermodurcissable et/ ou photodurcissable. b) entre 2% inclus et 20% inclus, et de préférence entre 2% et 15% inclus, en poids par rapport au poids total de la composition, de particules d'au moins un réactif sensible à un rayonnement laser choisi dans le groupe constitué des particules de dioxyde de titane (TiO2), des particules d'oxyde de bismuth (Bi2O3)), et des particules d'oxyde de titane (TiO2) recouvertes d'un complexe d'oxyde d'étain dopé à d'antimoine (Sn/Sb)O2, et de leurs mélanges, et en ce que lorsque polymérisée et séchée, cette composition de vernis marquable laser a une transparence supérieure à 80% déterminée selon la méthode ASTM D1003-00 aux longueurs d'ondes du visible. L'invention trouve application dans le domaine de la sécurisation et l'authentification de documents, en particulier. The invention relates to a transparent varnish composition which can be marked by laser radiation, a laminate comprising a layer of this transparent lacquer composition which can be marked by a laser radiation, marked or unmarked, and a device comprising this laminate. The laser-marking varnish composition according to the invention is characterized in that it comprises: a) between 50% inclusive and 100% excluded, by weight, relative to the total weight of the composition, of at least one thermosetting polymer and / or photocurable. b) between 2% inclusive and 20% inclusive, and preferably between 2% and 15% inclusive, by weight ...

Method and device for the secure protection of official documents by means of a transparent film having a single continuous thermoplastic layer

The invention relates to a method for the secure protection of a surface portion (5) of an official document (9) in which a transparent security film is heat-transferred onto said surface portion. The security film includes a single continuous layer (2) which determines the format thereof and has a thickness of 5 μm to 25 μm, made up of a thermoplastic resin having a glass-transition temperature of 30 °C to 120 °C. A protective device supporting said security film is laminated at a lamination temperature higher than said glass-transition temperature in order to perform the transfer thereof.

Thermochromic ink composition

The invention relates to a thermochromic ink composition comprising, in a liquid medium, known as solvent, a dispersion of thermochromic microcapsules incorporating at least one leuco-dye and a thermoplastic binder selected from the group containing polyacrylic polyesters, polyurethanes and copolymers thereof. The composition is characterised in that the solvent is aprotic. The invention also relates to a method for producing a card and to such a card incorporating at least one thermochromic pattern produced with a thermochromic ink composition according to the invention.

Method and device for protecting text for reading

Film for transferring at least one mark on at least one substrate to be made secure, method for making and for transferring such a transfer film

L'invention concerne un procédé et un film de transfert d'au moins une marque sur un substrat (10), chaque marque comprenant un motif estampé et/ou métallisé, ce film de transfert comprenant un film (1) support, un film (9) multicouche porté par ledit (1) film support, et comprenant une couche (5) optique, comprenant une image estampée et/ou métallisée, une couche (2) de détachement agencée entre ledit film (1) support et ledit film (9) multicouche adaptée pour permettre, lors d'un transfert, le détachement du film (1) support du film (9) multicouche, une couche (7) adhésive agencée à l'opposé de ladite couche (2) de détachement, caractérisé en ce que la couche (7) adhésive s'étend selon un format et des dimensions inférieures à celles du film (9) multicouche de telle sorte que seules les portions dudit film (9) multicouche en regard de la couche (7) adhésive, et qui définissent chaque marque à transférer, sont transférables sur ledit substrat (10), pour chaque marque, une portion de la couche (7) adhésive est agencée en regard d'une portion d'une image estampée et/ou métallisée formant un motif de cette marque. The invention relates to a method and a film for transferring at least one mark onto a substrate (10), each mark comprising a stamped and / or metallized pattern, this transfer film comprising a film (1), a film ( 9) multilayer carried by said (1) support film, and comprising an optical layer (5), comprising a stamped image and / or metallized, a layer (2) detachment arranged between said film (1) support and said film (9). ) multilayer adapted to allow, during a transfer, the detachment of the film (1) supporting the multilayer film (9), an adhesive layer (7) arranged opposite said detachment layer (2), characterized in that the adhesive layer (7) extends in a size and dimensions smaller than those of the multilayer film (9) so that only the portions of said multilayer film (9) facing the adhesive layer (7), and which define each ...

Method of producing an iridescent polychromatic transparent printed image

METHOD AND DEVICE FOR PROTECTING READING INSTRUCTIONS

L'invention concerne un procédé et un dispositif de protection d'inscriptions à lire (23) réalisées sur au moins une face inscrite (22) d'un objet (25).On associe à l'objet (25) au moins une antenne d'adaptation (12) réalisée par impression sur un support (11), et présentant au moins une zone (14) de couplage électromagnétique avec une antenne individuelle de plus petites dimensions. Au moins un film de sécurité (3), ne portant pas d'antenne d'adaptation (12), mais portant au moins un microcircuit à antenne individuelle intégrée, dit microtranspondeur (7), est appliqué pour couvrir des inscriptions à lire (23) pour lesquelles des informations d'authentification peuvent être délivrées par le microtranspondeur (7). The invention relates to a method and a device for protecting readable inscriptions (23) produced on at least one inscribed face (22) of an object (25) .Associated with the object (25) at least one antenna adapter (12) produced by printing on a support (11), and having at least one zone (14) of electromagnetic coupling with an individual antenna of smaller dimensions. At least one safety film (3), not carrying an adaptation antenna (12), but carrying at least one microcircuit with an individual integrated antenna, called a microtransponder (7), is applied to cover inscriptions to be read (23 ) for which authentication information can be delivered by the microtransponder (7).

METHOD AND DEVICE FOR PROTECTING READING INSTRUCTIONS

Method for manufacturing a data medium and data medium thus obtained

The invention relates to a method for manufacturing a multilayer data medium (1), in which method: a multilayer data medium, including at least one transparent security layer (16), and at least one marking layer (17), sensitive to electromagnetic-marking radiation (5), are selected; said transparent security layer (16) includes at least one semi-transparent printed image including at least one thermochromic dye; at least one marking (30) is made using said electromagnetic-marking radiation, through said printed image; said semi-transparent printed image reveals, in a first state referred to as the inactivated state, at least one semi-transparent visible pattern that makes it possible, after said marking step, to view said marking (30) through said image, said pattern not being visible in a second state, referred to as the activated state. The invention also relates to a multilayer data medium (1).

DOCUMENT COMPRISING AT LEAST TWO PHOTOLUMINESCENT IMAGES, SECURITY FILM AND SECURITY PROTECTION METHOD

L'invention concerne un document (15) comprenant : - au moins une première image (5) comprenant au moins un pigment photoluminescent invisible sous éclairage en lumière visible et visible sous éclairage par au moins une première source (20) de lumière non visible émettant dans le domaine des ultraviolets courts, caractérisé en ce qu'il comprend en outre : - au moins une deuxième image comprenant au moins un pigment photoluminescent invisible sous éclairage en lumière visible et visible sous éclairage par au moins une deuxième source de lumière non visible émettant dans le domaine des ultraviolets longs, - au moins une couche, dite couche filtrante, disposée en regard de ladite deuxième image et comprenant au moins un matériau, dit matériau filtrant, adapté pour permettre de filtrer les longueurs d'onde émises par ladite première source de lumière non visible, sans empêcher la visualisation de la première image sous éclairage par la première source de lumière. The invention relates to a document (15) comprising: - at least a first image (5) comprising at least one invisible photoluminescent pigment under illumination in visible light and visible under illumination by at least a first source (20) of non-visible light emitting in the field of short ultraviolet radiation, characterized in that it further comprises: at least one second image comprising at least one invisible photoluminescent pigment under illumination in visible light and visible under illumination by at least one second non-visible light source emitting in the field of long ultraviolet rays, at least one layer, called the filtering layer, arranged facing said second image and comprising at least one material, called filtering material, adapted to allow filtering the wavelengths emitted by said first source of light not visible, without preventing the first image from being illuminated by the first light source e.

Method and device for the secure protection of an official document and an official protected document

L'invention concerne un procédé de protection sécuritaire d'une portion de surface d'un document officiel portant des inscriptions, dans lequel : • - on choisit une couche (17) de sécurité transparente comprenant au moins une image imprimée semi-transparente comprenant au moins un liant transparent et au moins un pigment thermochromique (14, 13, 12, 11), • - ladite image imprimée semi-transparente fait apparaître dans un premier état non activé, à au moins une première température, au moins un motif visible semi-transparent de façon à permettre la visualisation des inscriptions à travers cette image, ledit motif n'étant pas visible dans un second activé, à au moins une deuxième température différente de la première température. L'invention concerne également un dispositif de protection sécuritaire d'une portion de surface d'un document officiel et un tel document officiel. The invention relates to a method for the secure protection of a surface portion of an official document bearing inscriptions, in which: a transparent security layer (17) is selected comprising at least one semitransparent printed image comprising at least one at least one transparent binder and at least one thermochromic pigment (14, 13, 12, 11), - said semi-transparent printed image shows in a first non-activated state, at least at a first temperature, at least one semi visible pattern -Transparent so as to allow the display of the inscriptions through this image, said pattern not being visible in a second activated, at least a second temperature different from the first temperature. The invention also relates to a device for the secure protection of a surface portion of an official document and such an official document.

Method for making a film with pattern preventing reproduction by optical scanning for the protection of documents

Um film (7a) est fabriqué par impression sur une feuille support (1) présentant une surface (2) non brillante, d'une première impression (3) de vernis brillant adhérant sur cette surface (2). Une deuxième impression continue réalisée sur la première, n'adhére pas sur la feuille support (1) ni sur le vernis (3), et le film (7a) est terminé. Une empreinte (9) brillante est ainsi ménagée en creux dans la face externe (8) du film (7a) qui est ensuite appliqué sur un document (12) pour le protéger contre la reproduction par lecture optique.

Mark e.g. hologram, transferring film for e.g. passport, has multilayer film with portion opposite to adhesive layer and separated from its adjacent portions, which are not opposite to adhesive layer, during transfer of mark

L'invention concerne un procédé et un film de transfert d'au moins une marque sur un substrat (10), chaque marque comprenant un motif estampé et/ou métallisé, ce film de transfert comprenant un film (1) support, un film (9) multicouche porté par ledit (1) film support, et comprenant une couche (5) optique, comprenant une image estampée et/ou métallisée, une couche (2) de détachement agencée entre ledit film (1) support et ledit film (9) multicouche adaptée pour permettre, lors d'un transfert, le détachement du film (1) support du film (9) multicouche, une couche (7) adhésive agencée à l'opposé de ladite couche (2) de détachement, caractérisé en ce que la couche (7) adhésive s'étend selon un format et des dimensions inférieures à celles du film (9) multicouche de telle sorte que seules les portions dudit film (9) multicouche en regard de la couche (7) adhésive, et qui définissent chaque marque à transférer, sont transférables sur ledit substrat (10), pour chaque marque , une portion de la couche (7) adhésive est agencée en regard d'une portion d'une image estampée et/ou métallisée formant un motif de cette marque.

Connection pin connecting method for e.g. ROM chip in passport, involves compressing microcircuit to provoke deformation of pins and terminals, where base of pins extends via portion whose height is lower than/equal to antenna thickness

L'invention concerne un procédé de connexion de plots de connexion (9, 10) d'un microcircuit (8) électronique à des bornes de connexion (6, 7) d'une antenne (5) d'encre conductrice imprimée sur un support (1) compressible, dans lequel une matière adhésive diélectrique est déposée sur le support (1), le microcircuit (8) électronique est mis en place avec les plots de connexion (9, 10) en contact avec les bornes de connexion (6, 7) de l'antenne (5), une compression est exercée avec un effort de pression par plot de connexion (9, 10) compris entre 20g et 150g de façon à entraîner une déformation plastique de ces derniers et des bornes de connexion (6, 7) de l'antenne (5), sensiblement sans déformation du support (1).

Flexible adhesive label for security furnished with at least one contactless microcircuit for an official document

The invention relates to a flexible adhesive label for anti-falsification security comprising a first flexible sheet (1) whose format corresponds at least substantially to that of the label, at least one antenna (2) for remote transmission and at least one microcircuit (8) all fixed to a first face (14) of the first sheet (1), a layer (15) of external adhesive covering the second face (18) of the first sheet (1), and suitable for allowing the adhesive label to be bonded to an official document. The first sheet (1) and each microcircuit (8) are covered with a second printable flexible sheet (12) - notably of paper - bonded by means of a layer of adhesive (13) onto the first face (14) and onto each microcircuit (8). The invention extends to an official document comprising at least one label according to the invention.

SAFETY PRODUCT AND METHOD FOR PROTECTING AN OBJECT BY MEANS OF A SAFETY PRESSURE CONTAINING A SOLVENT BINDER

Process for protecting a document, protective device comprising an adhesive layer and document

The invention relates to a process for protecting variable inscriptions of a document (10) in which: - a transparent film (2) is bonded to a face of said document with a view to protecting variable inscriptions of said document (10), by means of at least one adhesive layer (5) comprising at least one thermoplastic polymer having a glass transition temperature between 40°C and 110°C and having a hydroxyl value between 3 mg of KOH/g and 60 mg of KOH/g and/or an acid value between 2 mg of KOH/g and 150 mg of KOH/g, - said adhesive layer comprises a crosslinking agent having at least 2.8 functions selected from the group formed of isocyanates, carbodiimides, aziridines and alkoxysilanes, - during the bonding, a crosslinking of said adhesive layer is carried out. The invention also relates to a protective device (1) and to a document (10).

Object e.g. travel document, protection method, involves applying decoding films with decoding patterns on object such that shallow image can be readable by indirect visualization across decoding pattern superposed with source pattern

The method involves applying source patterns (15, 35, 55) containing a shallow image on a surface portion of an object (20). Decoding films (23, 43, 63) having decoding patterns (13, 33, 53) are applied on the surface portion such that the shallow image can be readable by indirect visualization across a decoding pattern superposed with the source pattern. The shallow image is unreadable by direct visualization. An independent claim is also included for a device for protection of an object for the antifalsification and authentication purpose.

Film zur übertragung von mindestens einer markierung auf mindestens ein substrat zur sicherung, verfahren zur herstellung und übertragung eines derartigen übertragungsfilms

Device and a method for protecting a document comprising an encapsulated reticulating agent and a document

The invention relates to a protection device (1) for a document (10) with variable inscriptions to be protected, comprising a transparent film carrying an adhesive layer (5) comprising at least one thermoplastic polymer, characterized in that: - said thermoplastic polymer having a glass-transition temperature of between 40 and 110 °C and being selected from the group consisting of polymers having a hydroxyl value between 3 and 60 mg KOH/g, with thermoplastic polymers having an acid number between 15 between 2 mg and 150 mg KOH/g and blends thereof. - said adhesive layer comprises microcapsules, each microcapsule containing at least one crosslinking agent: o being selected from the group of aliphatic compounds comprising between 4 and 50 carbon atoms, o having at least two functions selected from the group consisting of isocyanates, carbodiimides, azyridines and alkoxysilanes. The invention also relates to a protection method (1) and a document (10).

Vorläufige fiche, vorrichtung und verfahren zum herstellen von dokumenten mit wechselende aufschriften

Verfahren und einrichtung zum schutz von text

Verfahren zur erzeugung eines films mit nicht wiedergabefähigen mustern durch optisches auslesen zum schutz von dokumenten

Dispositif et procede de protection d'un document comprenant un agent reticulant encapsule et document

L'invention concerne un dispositif de protection (1) pour un document (10) présentant des inscriptions variables à protéger, comprenant un film transparent portant une couche adhésive (5) comprenant au moins un polymère thermoplastique, caractérisé en ce que : - ledit polymère thermoplastique présentant une température de transition vitreuse comprise entre 40°C et 110°C et étant choisi dans le groupe formé des polymères présentant un indice d'hydroxyle compris entre 3mg et 60mg de KOH/g, des polymères thermoplastiques présentant un indice d'acide 15 compris entre 2mg et 150mg de KOH/g et de leurs mélanges, ladite couche adhésive comprend des microcapsules, chaque microcapsule renfermant au moins un agent réticulant : • choisi dans le groupe des composés aliphatiques comprenant entre 4 et 50 atomes de carbone, • présentant au moins deux fonctions choisies dans le groupe formé des isocyanates, des carbodiimides, des azyridines et des alcoxysilanes. L'invention concerne également un procédé de protection (1) et un document (10).