EP1610958B1 - Marque caracteristique de securite - Google Patents

Marque caracteristique de securite Download PDF

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Publication number
EP1610958B1
EP1610958B1 EP04725263A EP04725263A EP1610958B1 EP 1610958 B1 EP1610958 B1 EP 1610958B1 EP 04725263 A EP04725263 A EP 04725263A EP 04725263 A EP04725263 A EP 04725263A EP 1610958 B1 EP1610958 B1 EP 1610958B1
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EP
European Patent Office
Prior art keywords
color
iridescent
application
security
security element
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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EP04725263A
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German (de)
English (en)
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EP1610958A1 (fr
Inventor
Klaus Franken
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Landqart AG
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Landqart AG
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/20—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof characterised by a particular use or purpose
    • B42D25/29—Securities; Bank notes

Definitions

  • the present invention relates to a security feature according to the preamble of claim 1. Furthermore, the present invention relates to security documents with such a security feature and method for producing such security features respectively security documents.
  • iridescent pigments as a surface coating in the sense of a print or a line is known per se and has already found application in particular in the field of security. Such applications have the advantage that they are virtually invisible or only very slightly visible in direct supervision, and develop their color effect only when viewed from an oblique angle. They therefore do not interfere with the rest of the printing on the security paper, and can be provided, for example, as a background or as areas above normal printing. They act as very efficient and at the same time comparatively inexpensive so-called First-stage security feature, ie as a security feature that can be easily detected and verified by any user without the aid of electrical or electronic detection devices.
  • First-stage security feature ie as a security feature that can be easily detected and verified by any user without the aid of electrical or electronic detection devices.
  • EP 490 825 A shows the features of the preamble of claim 1.
  • the invention is therefore an object of the invention to provide an iridescent security feature available, which is characterized by an increased security against counterfeiting in particular as a first-stage security feature, and which can be produced simultaneously in a cost effective manner. It is about the improvement of a security feature according to the preamble of claim 1.
  • the core of the invention is thus to combine the iridescent security feature with another, different security element in at least adjacent, preferably overlapping manner.
  • an optically variable security element is used as a further security element, as is known in professional circles under the term OVD (optically variable device)
  • the effects of an iridescent strip in combination with the OVD can thus become strong increased security level cause, since both security features show different effects under different viewing angles.
  • the optical flip-flop effect which occurs due to the combination of the iridescent security feature with the further security element is considerably more difficult, if at all, copiable, and on the other hand also very easily verifiable for the user.
  • the increase in security level also results in manufacturing technology, since typically an iridescent layer can be produced in a printing or coating process, while special machines have to be provided for the application of an OVD. But the necessary combination of these two methods increases the security level.
  • the further security element can be a diffractive element, in particular preferably selected from the group of 2D holograms or 3D holograms, dot matrix elements, or the like.
  • the corresponding optical gratings are e.g. produced by laser or electron beam technology. With respect to such elements, reference is hereby explicitly made to the following article: "Optical Document Security”, Rudolph L. van Renesse (ed.), Artech House Publishers, 1998, Boston / London, ISBN 0-89006-982-4.
  • the security element does not necessarily have to be an OVD, but can also consist of a fine chiselling, a fine pattern of characters, lines, of a metallic material, in other words the additional security element can at least partially be replaced by a fine structure, in particular on a metallic basis, be formed.
  • a fine structure leads in combination with the iridescent coating to surprising optical effects, and has not been considered anyway anyway, since it was previously considered impossible to apply such a fine structure on a layer of iridescent pigment such that it the mechanical stresses, for example in the field of banknotes.
  • the present combination is used when different, simultaneously recognizable surface areas are provided with paint applications containing different iridescent pigments and which when viewed have a different color from at least one oblique viewing angle area.
  • paint applications containing different iridescent pigments and which when viewed have a different color from at least one oblique viewing angle area.
  • Such a combination is described in EP 0490825 A1.
  • Such a combination of different paint jobs can have a particularly efficient effect if these paint jobs or the surface areas of these paint jobs are formed directly adjacent to one another. For example, it is possible to arrange strips of different colors directly adjacent to one another on a document.
  • the application of the further security element to the iridescent layer can be carried out in a particularly stable and wear-resistant manner by the further security element at least partially having a carrier film which is at least partially provided with a structured metallization (eg a demetallized film or one with a metallization in the form of Structure embossed film).
  • a structured metallization eg a demetallized film or one with a metallization in the form of Structure embossed film.
  • This structured metallization can now make up the said fine structure or the diffraction grating of an OVD, and accordingly this fine structure or the diffraction grating can be stabilized by their connection to the carrier film.
  • a carrier film is applied, for example via a thermally activated adhesive on the paint.
  • the additional security element can be applied to a substrate in a hot stamping process.
  • the modification may consist in providing a primer layer on the paint application, this primer layer particularly preferably having a polar character in order to be better adapted to typical thermally activatable adhesives.
  • a primer layer can be selected, for example, from the group polyvinyl alcohol, polyacrylate, styrene-acrylic based copolymers.
  • the application of ink should preferably be based on an aqueous solution of an iridescent pigment.
  • the additional security element completely covers the paint application.
  • the paint can be applied to, for example, the unprinted paper, and then glued in a hot stamping the OVD.
  • the visual effect of such a complete overlap of the two security elements (iridescent element and further security element) is surprisingly obvious.
  • adjoining surface areas are provided with paint applications which contain different iridescent pigments and which have a different color when viewed from at least one oblique viewing angle area (cf the abovementioned EP 490825)
  • Security element both surface areas at least partially covered.
  • the color transition between the surface areas may be fluid or sharp.
  • the paint jobs may be stripes having a width in the range of 0.3 cm to 5 cm, but preferably from about 0.5 to 1.6 cm. This dimensioning is particularly suitable in connection with typical, known from the security field OVDs, which have similar dimensions.
  • a particularly preferred iridescent pigment consists of mica platelets which are coated with a layer of a metal oxide, preferably TiO 2 or iron oxide.
  • a metal oxide preferably TiO 2 or iron oxide.
  • Such iridescent pigments are, for example, from Merck under the trade name Iriodin (TM) available.
  • the present invention relates to a security paper or generally a security substrate (which may for example consist of paper, but alternatively also consist of a plastic film or other carrier) for security documents such as banknotes, passports, certificates, etc., as well as packaging material, binding material, or the like Security feature as described above.
  • the security feature is applied to the substrate, in particular preferably a paper support based on a banknote paper with a high cotton content, or a substrate in the form of wood-free paper.
  • the present invention relates to a method for applying a security feature, as described above, characterized by the features of the characterizing part of claim 13.
  • the further security element is preferably applied in a hot stamping process, with the deduction of a carrier on the iridescent paint application .
  • the iridescent ink application is surface-modified according to the requirement 13 prior to the application of the further security element, in particular by applying a coating, a primer layer, to the iridescent paint application.
  • a first preferred embodiment of the method according to the invention is characterized in that the iridescent paint application is carried out with an aqueous solution, wherein binder is used, and the dry weight ratio of binder to pigment in the range of 1.5 to 6, preferably in the range of 2 to 5.5. Preference is given to the ratio of dry binder to water in one Range from 1: 2 to 1: 3 set.
  • Suitable binders are different binders suitable for printing inks or coating colors. For example, a binder based on a modified styrene-acrylate copolymer emulsion is possible.
  • This is preferably in combination with an iridescent pigment based on mica platelets which are provided with a layer of a metal oxide, preferably TiO 2 (for example Iriodin from Merck), and which in particular have an average size in the range of 10-60 ⁇ m.
  • a metal oxide preferably TiO 2 (for example Iriodin from Merck)
  • This z. B. from the binder 50 to 60 g dry weight to 10 to 30 g iridescent pigment and 120 to 190 grams of water used.
  • the substrate 1 shows a plan view of a substrate 1, which simultaneously represents different exemplary embodiments of the security feature according to the invention.
  • the substrate 1 may be a paper web, as used for example for the production of banknotes. Such paper is more special Structure and contains a high percentage of cotton fibers.
  • the substrate 1 may also be a conventional paper web, wherein typical basis weights in the range of, for example, 50 to 150 g / m 2 are possible.
  • the substrate 1 may also be formed as a plastic film, such a plastic film may for example consist of polyamide, polyethylene, polypropylene, etc.
  • substrates which consist of laminates of paper and plastic for example of paper and a thermoplastic, or else laminates of different plastics with different properties in the individual layers.
  • two strips 2,3 of iridescent color arranged directly next to one another are arranged.
  • the two strips 2 and 3 have a different color, such. B. red and blue.
  • B. red and blue Such an arrangement is known, for example, from EP 0490825, the disclosure of which is hereby incorporated by reference.
  • the two strips 2 and 3 border each other while forming a sharp edge.
  • the strips 2 and 3 can be applied to the substrate 1 at the same time or in succession, in a coating process or in a printing process, whereby gravure printing or flexographic printing but also offset printing can be used.
  • the iridescent strips are applied in an aqueous formulation containing binder and the iridescent pigment.
  • additives are optionally present.
  • Possible formulations of the coating formulation or of the printing formulation are given in Table 1: Table 1 Variant: 1 2 3 4 5 6 % FK Binder: Texicryl 13-567 52 [G] 100.00 100.00 100.00 Texicryl 13-804 45 [G] 115.00 115.00 115.00 Solvents / Additives I: water 0 [G] 135.00 185.00 120.00 170.00 Texanol 0 [G] 5:00 5:00 5:00 5:00 5:00 5:00 5:00 Ammonia 25% 0 [G] 2:50 2:50 [G]
  • Additives II Sterocoll D 25 [G] 12:50 12:50 Cognis DSX 3116 33 [G] 12:50 12:50 12:50 Aquacer 531 50 [G] 4:00 4:00 4:00 4:00 4:00 4:00 4:00 4:00 4:00 4:00 4:00 4:00 4:00 4:00 4:00 4:00 4:00 4:00 4:00 4:00 4:00 4:00 4:00 4:00 4:00 Nopco NM
  • % FK stands for the solids content in percent.
  • Texicryl is a modified styrene-acrylate copolymer emulsion, and is available, for example, from ScottBader Ltd., Wollaston, Wellingborough, Northamptonshire, UK.
  • Texicryl 13-567 is an emulsion having a viscosity in the range of 150 to 200 mPas, a density of 1.09 g / ml and a pH of 8-8.8 at 25 degrees Celsius.
  • Texicryl 13-804 is also a corresponding emulsion having a viscosity in the range of 500-800 mPa s, a density of 1.05 g / ml at 25 degrees Celsius and a pH of 7.4-8.
  • Texanol is a 2,2,4-trimethyl-1,3-pentanediol monoisobutyrate, and is an additive especially for latex paints. It serves to fuse the binder after evaporation of the water used as solvent. Texanol is available from Eastman Chemical Company, Kingsport, US.
  • Sterocoll D is a dispersion of an acrylic copolymer containing carboxyl groups. It serves to change the viscosity of the entire solution. It is available, for example, from BASF, DE.
  • Cognis DSX 3116 is also a rheological additive based on polyurethane. It is available for example from IMPAG Chemie Import AG, Zurich, CH.
  • Aquacer 531 is a wax additive for paints and printing inks. It is available from Byk-Chemie GmbH, Wesel, DE.
  • Nopco NM-305 is a defoaming agent that is not based on silicones but acts on the basis of hydrophobic particles and fatty acid derivatives of paraffinic hydrocarbons. It is available, for example, from Nopco Paper Technology GmbH, DE.
  • Iriodin is an iridescent pigment based on mica platelets which are coated with a titanium dioxide layer or with an iron oxide layer. These are so-called pearlescent pigments. They have an average grain size in the range of 10-60 microns. They are available from MERCIC (Schweiz) AG, Dietikon, CH. Specifically, the following pigments are used: Iriodin ® 205 Rutile Brilliant Yellow (Part No. 104,285th.), 215 Rutile Red Pearl, 217, rutile Perlkupfer, 219 Rutile Lilac Pearl (Nr (Nr 104,792th.) (Art No. 104,286th.).. 104287), 225 rutile pearl blue (art. No. 104288), 235 rutile pearl green (art. No. 104289).
  • FIG. 1 shows how another security element 5, in this specific case an optically variable security marker (OVD), is applied to the strips 2 and 3, wherein the OVD partially overlaps both strips.
  • OTD optically variable security marker
  • the OVD may also, as shown for example in case 6, cover one of the strips and this only partially, or, as shown in the case 9, be arranged within a strip 3.
  • the OVD 5-7, 9 is, for example, a dot matrix element or a hologram.
  • Such elements are available, for example, from Hologram Industries, FR. They may have different shapes, as shown in Fig. 1, and be of different complexity.
  • OVDs are typically applied to substrates in a hot stamping process. Since the corresponding thermally activated adhesives i.d.R. 3 do not develop enough adhesion on the strip 2, a primer layer is applied to the strip at least in the region of the arrangement of elements 5-7.9, which acts as a bonding agent. In particular, the adhesion promoter should lead to modify the generally rather apolar surface of the strips such that the tendency of the polar adhesive can adhere better. Alternatively, of course, the adhesive can be adjusted accordingly.
  • Fig. 2 now shows a laminate, as it can be used, for example, in the application of such OVDs. Similar laminates are described, for example, in US Pat. No. 6,280,891 and corresponding grids in US 2002/0164456 A1. They have a lowermost layer of a thermoplastic adhesive 15. Arranged above is a metallization 14 which has a corresponding structure, optionally supplemented by a reflection layer. The metallization can consist of gold, silver or aluminum. In the case of a hologram or dot matrix element, this structure is a diffraction grating, but it is also possible that the structure is simply formed as a fine structure or pattern.
  • a carrier film or protective film 13 is arranged, which in turn is covered by a lacquer layer 12.
  • the sandwich 18 from the layers 12-15 remains after appropriate Aufspendung on the substrate, while the now to be described layers only serve the supply and are discharged after the embarkung.
  • an adhesive layer 11 which is designed as a release layer, ie as a release layer, is arranged. This in turn is covered by a film 10.
  • the material is supplied as shown in Fig. 2, and at the separation point shown by the arrow 16, the lower part 18 is separated from the upper part 17, wherein the upper part is discharged in the machine, and the lower part, optionally in sections, on remains the substrate.
  • a machine suitable for such a hot stamping process is, for example, the Foiljet machine available from Steuer, DE. This substrate and laminate gem.
  • One of the cylinders may be formed as a die and the second simply as Gegenruclczylinder, but it is also possible to form the two cylinders as a die and male.
  • an embossing temperature is set in the range of 80-270 degrees Celsius, preferably 220-250 degrees Celsius. Due to the special adhesion conditions on a layer 2 and 3, respectively, the release capability of layer 11 must be carefully adjusted. This can also be realized via the structure of the lacquer layer 12, for example via a smooth varnish.

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  • Business, Economics & Management (AREA)
  • Accounting & Taxation (AREA)
  • Finance (AREA)
  • Credit Cards Or The Like (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)
  • Road Signs Or Road Markings (AREA)
  • Printing Methods (AREA)
  • Paints Or Removers (AREA)
  • Materials For Medical Uses (AREA)

Claims (17)

  1. Caractéristique de sécurité (2,3;5-7,9) ayant une application de couleur superficielle, contenant des pigments iridescents (2,3), qui modifie sa couleur lors d'une modification de l'angle de visée, des domaines superficiels adjacents les uns aux autres (2, 3), reconnaissables simultanément, pourvus d'applications de couleur, qui contiennent des pigments iridescents différents et qui présentent, en cas de vision sous au moins un domaine d'angle de visée oblique, une couleur différente,
    caractérisée en ce que
    l'application de couleur (2,3) est basée sur une solution aqueuse d'un pigment iridescent,
    que l'on dispose, en superposition avec l'application de couleur (2, 3), un élément différent de sécurité supplémentaire (5-7,9), l'élément de sécurité supplémentaire (5-7, 9) recouvrant au moins partiellement les deux domaines superficiels (2, 3), et appliqué par un adhésif thermo-activable (15).
  2. Caractéristique de sécurité selon la revendication 1, caractérisée en ce que divers domaines superficiels (2, 3), reconnaissables simultanément, sont pourvus d'applications de couleur, qui contiennent des pigments iridescents différents et qui présentent, en cas de vision sous au moins un domaine d'angle de visée oblique, une couleur différente, les domaines superficiels (2,3) étant formés, en particulier, de préférence, d'une manière directement adjacente les uns aux autres.
  3. Caractéristique de sécurité selon l'une quelconque des revendications précédentes, caractérisée en ce qu'il s'agit, dans le cas de l'élément de sécurité, d'un élément de sécurité variable du point de vue optique (5-7,9).
  4. Caractéristique de sécurité selon l'une quelconque des revendications précédentes, caractérisée en ce que l'élément de sécurité supplémentaire (5-7,9) est formé au moins partiellement d'une structure fine, en particulier à base métallique.
  5. Caractéristique de sécurité selon l'une quelconque des revendications précédentes, caractérisée en ce qu'il s'agit, dans le cas de l'élément de sécurité supplémentaire (5-7,9), d'un élément de diffraction, sélectionné, en particulier, de préférence, parmi le groupe hologramme 2D ou 3D ou élément de matrice à points.
  6. Caractéristique de sécurité selon l'une quelconque des revendications précédentes, caractérisée en ce que l'élément de sécurité supplémentaire (5-7,9) présente au moins par domaines une feuille de support (13), qui est pourvue au moins par domaines d'une métallisation structurée.
  7. Caractéristique de sécurité selon l'une quelconque des revendications précédentes, caractérisée en ce que l'application de couleur (2,3) est pourvue, dans l'optique de l'adhésion de l'élément de sécurité supplémentaire (5-7,9) sur l'application de couleur (2, 3), d'une couche de peinture primaire superficielle, cette couche de peinture primaire présentant, en particulier, de préférence, un caractère polaire et pouvant être sélectionnée, par exemple, parmi le groupe alcool polyvinylique, polyacrylate, copolymères à base styrène-acrylique.
  8. Caractéristique de sécurité selon l'une quelconque des revendications précédentes, caractérisée en ce que l'élément de sécurité supplémentaire (5-7,9) recouvre complètement l'application de couleur (2,3).
  9. Caractéristique de sécurité selon la revendication 8, caractérisée en ce que la transition de couleur entre les domaines superficiels (2,3) étant, en particulier, de préférence, graduelle ou nette.
  10. Caractéristique de sécurité selon l'une quelconque des revendications précédentes, caractérisée en ce qu'il s'agit, dans le cas des applications de couleur (2,3), de rubans d'une largeur dans le domaine de 0,3 cm à 5 cm, de préférence, toutefois d'environ 0,5 à 1,6 centimètres.
  11. Caractéristique de sécurité selon l'une quelconque des revendications précédentes, caractérisée en ce qu'il s'agit, dans le cas du pigment iridescent, de paillettes de mica, qui sont revêtues d'une couche d'un oxyde métallique, de préférence, de TiO2.
  12. Caractéristique de sécurité pour documents de sécurité comme des billets de banque, des passeports, des certificats, etc., ainsi que des matériaux d'emballage, des matériaux de reliure ou des produits similaires, présentant une caractéristique de sécurité selon l'une quelconque des revendications précédentes, qui est appliquée sur un substrat (1), en particulier un support en papier.
  13. Procédé en vue de l'application d'une caractéristique de sécurité selon l'une quelconque des revendications 1-11, caractérisé en ce que les pigments iridescents sont mis en oeuvre avec des liants transparents pour former des enduits ou des encres d'imprimeries et en ce que l'application de couleur iridescente (2,3) est appliquée sur un substrat (1) dans un processus d'impression ou d'enduction, l'élément de sécurité supplémentaire (5-7, 9) étant appliqué sur le substrat (1), le cas échéant, de manière précise au registre près, à la suite ou au préalable, l'élément de sécurité supplémentaire (5-7,9) étant appliqué sur l'application iridescente de couleur (2, 3) par l'intermédiaire d'un processus d'estampage à chaud, avant l'application de l'élément de sécurité supplémentaire (5-7,9), l'application iridescente de couleur (2,3) subiant une modification superficielle en ce que l'on applique en sur l'application iridescente de couleur (2,3) une couche de peinture primaire.
  14. Procédé selon la revendication 13, caractérisé en ce que l'élément de sécurité supplémentaire (5-7,9) est appliqué sur l'application iridescente de couleur (2, 3) par l'intermédiaire d'un processus d'estampage à chaud, avec retrait d'un support (10.)
  15. Procédé selon l'une quelconque des revendications 13 à 14, caractérisé en ce que l'application iridescente de couleur (2,3) se fait à l'aide d'une solution aqueuse, un liant étant utilisé et le rapport pondéral à sec de liant au pigment se situant dans le domaine de 1,5 à 6, de préférence, dans le domaine de 2 à 5,5, le rapport du liant sec à l'eau étant, en particulier, de préférence, réglé dans un domaine de 1:2 à 1:3.
  16. Procédé selon la revendication 15, caractérisé en ce que l'on utilise un liant à base d'une émulsion de copolymères d'acrylate de styrène modifiée et un pigment iridescent à base de paillettes de mica, qui sont pourvues d'une couche d'un oxyde métallique, de préférence, de TiO2, et qui présentent, en particulier, une granulométrie moyenne dans le domaine de 10-60 µm, de préférence, de 50 à 60 grammes de liant en poids à sec pour de 10 à 30 g de pigment iridescent ainsi que de 120 à 190 g d'eau étant utilisés de préférence.
  17. Procédé selon l'une quelconque des revendications 13 à 16, caractérisé en ce que l'application de couleur (2,3) est appliquée sur une machine d'enduction et/ou dans une machine d'impression en particulier, de préférence, dans un procédé d'impression de flexographie, d'héliogravure, de sérigraphie ou un procédé d'impression offset.
EP04725263A 2003-04-04 2004-04-02 Marque caracteristique de securite Expired - Lifetime EP1610958B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH6182003 2003-04-04
PCT/CH2004/000211 WO2004087437A1 (fr) 2003-04-04 2004-04-02 Marque caracteristique de securite

Publications (2)

Publication Number Publication Date
EP1610958A1 EP1610958A1 (fr) 2006-01-04
EP1610958B1 true EP1610958B1 (fr) 2007-05-09

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EP (1) EP1610958B1 (fr)
AT (1) ATE361844T1 (fr)
DE (1) DE502004003766D1 (fr)
EA (1) EA007846B1 (fr)
MA (1) MA27639A1 (fr)
WO (1) WO2004087437A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2251207B1 (fr) * 2009-05-11 2021-12-01 Hueck Folien Gesellschaft m.b.H. Procédé de fabrication d'une marque de sécurité
FR2957554B1 (fr) 2010-03-17 2012-05-04 Fasver Procede de realisation d'une image transparente polychromatique imprimee iridescente
FR2976954B1 (fr) 2011-06-23 2013-07-12 Arjowiggins Security Fil de securite
FR2992255B1 (fr) 2012-06-22 2015-09-04 Arjowiggins Security Element de securite et document securise.
GB201400910D0 (en) 2014-01-20 2014-03-05 Rue De Int Ltd Security elements and methods of their manufacture
DE102016004424A1 (de) 2016-04-12 2017-10-12 Giesecke+Devrient Currency Technology Gmbh Laserung einer Beschichtung mit Effektpigmenten

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2429292A1 (fr) 1978-06-19 1980-01-18 Arjomari Prioux Papier de securite comportant comme moyen de securite au moins une substance iridescente
DE59104959D1 (de) * 1990-12-12 1995-04-20 Sihl Zuercher Papierfabrik An Sicherheitspapier für Banknoten oder dergl. und Verfahren zu seiner Herstellung.
US6280891B2 (en) 1994-05-04 2001-08-28 Hologram Industries S.A. Multi-layer assembly and method for marking articles and resulting marked articles
DE69834117T2 (de) * 1998-11-06 2006-10-19 Kyodo Printing Co., Ltd. Fälschungssicheres Sicherheitsdokument
FR2801246B1 (fr) 1999-11-19 2002-01-25 Hologram Ind Securisation de documents ou de produits par apposition d'un composant optiquement actif pour la verification de l'authenticite

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Publication number Publication date
EA007846B1 (ru) 2007-02-27
EA200501385A1 (ru) 2006-04-28
WO2004087437A1 (fr) 2004-10-14
DE502004003766D1 (de) 2007-06-21
EP1610958A1 (fr) 2006-01-04
MA27639A1 (fr) 2005-11-01
ATE361844T1 (de) 2007-06-15

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