EP1200272B1 - Document de valeur - Google Patents

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Publication number
EP1200272B1
EP1200272B1 EP00941978A EP00941978A EP1200272B1 EP 1200272 B1 EP1200272 B1 EP 1200272B1 EP 00941978 A EP00941978 A EP 00941978A EP 00941978 A EP00941978 A EP 00941978A EP 1200272 B1 EP1200272 B1 EP 1200272B1
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EP
European Patent Office
Prior art keywords
dye
value
document
molecular sieve
luminescent substance
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
Application number
EP00941978A
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German (de)
English (en)
Other versions
EP1200272A1 (fr
Inventor
Thomas Giering
Rainer Hoppe
Thomas Attenberger
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Giesecke and Devrient GmbH
Original Assignee
Giesecke and Devrient GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
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Application filed by Giesecke and Devrient GmbH filed Critical Giesecke and Devrient GmbH
Publication of EP1200272A1 publication Critical patent/EP1200272A1/fr
Application granted granted Critical
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
    • B41M3/14—Security printing
    • B41M3/144—Security printing using fluorescent, luminescent or iridescent effects
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
    • Y10T428/24893—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.] including particulate material
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
    • Y10T428/24893—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.] including particulate material
    • Y10T428/24901—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.] including particulate material including coloring matter
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
    • Y10T428/2991—Coated

Definitions

  • the invention relates to a document of value, such as security, identification card or the like, with at least one authenticity feature in the form of a luminescent substance.
  • the invention further relates to a security element with at least one authenticity feature in the form of a luminescent Substance and a method for marking products, wherein the product is provided with a luminescent substance.
  • Marking products are particularly useful for security applications long used luminescent substances.
  • the advantage of one Such marking is that with suitable lighting of the marked object the luminescent substances with high intensity emit and thus detectable, while areas without the luminescent Substances appear essentially dark. To this The markings can be detected with high sensitivity.
  • numerous luminescent substances were used for marking used that have very broad emission bands. This is particularly typical for organic dyes whose luminescence line widths are some Can be 50 nm and more. They also have similar line widths many classic inorganic luminescent substances.
  • EP 0 522 627 A1 describes the production of luminescent molecular sieves and their use as lamp fluorescent.
  • reactants complexing agents and rare earth ions
  • the Cavities of zeolites are introduced, where they react to chelate complexes.
  • the chelate complex is fixed inside the cavities.
  • colored molecular sieves are the metal salts as color Component included, for a long time under the name "Ultramarine dyes / -pigments known (German Reichspatent No. 1, 1877).
  • This pure Inorganic systems are made, for example, by heating zeolite molecular sieves with alkali metal sulfides in a non-oxidizing atmosphere and then in an oxidizing atmosphere at temperatures above 300 ° C (JP-A-63-017 217; JP-A55-071 762).
  • Organic dyes are usually made by treating colorless ones Molecular sieves with dye solutions applied to the molecular sieves (see e.g. JP-A-63-0 17 217; JP-A-53-0 22 094 and JP-A-75-0 08 462).
  • dye solutions applied to the molecular sieves see e.g. JP-A-63-0 17 217; JP-A-53-0 22 094 and JP-A-75-0 08 462).
  • Adhesion is achieved with strongly basic dyes.
  • pigments consisting of an inorganic carrier (often layered minerals, zeolites or zeolite-like materials) and an adsorbed colorant, in paints and emulsion paints is known (JP-PS-75-0 08 452).
  • JP-PS-75-0 08 452 When using these pigments it is necessary to change the composition choose the color so that the color pigment does not match the surrounding medium reacts in the solvent used is insoluble and uniformly sedimented, which is particularly the case with mixed colors is important. This makes many of them interesting for color production Solvents and binders excluded and the possibilities of mixed color production severely restricted using the pigments described.
  • the systems and uses described have in common that the luminescent substances retain their characteristic properties that they also in solutions or as a powder. By installation in the zeolite only slight shifts, especially with organic dyes and broadening of the spectral bands were observed. For the However, these effects are not advantageous when used as a marker. There they overlap the emission bands of numerous different luminescent substances, the selectivity of the detection of the substances is severely restricted. Although there are chemically different substances, the differences are their emission bands often so low that their luminescence over a wide spectral range can be investigated with complex means must be so that identification is possible at all. For many applications is the effort of a clear identification so high, that it can only be carried out in exceptional cases.
  • the invention is therefore based on the object of a document of value as well a security element for marking any product with at least propose a luminescent substance that is easy to detect and is identifiable.
  • the present invention is used as an authenticity feature for value documents uses a luminescent system in which the line width of dyes greatly reduced by the effect of the stimulated emission is as large as possible in a selected spectral range characteristic narrow-band luminescence lines of different To be able to distinguish between dye matrix systems.
  • the stimulated emission processes are caused by the fact that the dyes in a resonator that encloses the dyes.
  • the resonator is formed by a molecular sieve crystallite, the surfaces of which Includes luminescence of the dye molecules.
  • the luminescent radiation is decoupled via micro-defects in these surfaces.
  • any other dye-loaded can be used.
  • dyes from the class of pyridines and Rhodamine also dyes from the class of cyanines or coumarins or any other dyes from the class of laser dyes are used become.
  • the spectral properties of the dyes can thereby a corresponding chemical modification of the chromophore is set become.
  • the molecular sieve used is preferably a Molecular sieve with channel structure and suitable morphology, e.g. out the classes AFI, LTL, MFI, M41S.
  • ALPO-5, SAPO-5 (AFI class) as well as MAPO and MAPSO, ELAPO and ELAPSO can be used.
  • M stands for any metal, such as. Mn, Mg, Co, Fe, Cr, Zn and EL for an element such as Li, Be, B, Ti, As, Ga, Ge.
  • a UV absorber and / or a in the cavities of the molecular sieve UV stabilizer based on sterically hindered amines preferably be stored in a dosage of 0.5 to 3% by weight.
  • HALS sterically hindered amines
  • a UV absorber For example, Tinuvin-P, Tinuvin 928 (Ciba Geigy) can be used become.
  • the sterically hindered amines are, for example around Tinuvin 144 (Ciba Geigy), Tinuvin 123 (Ciba Geigy), HALS 3051 (Clariant) or derivatives thereof.
  • UV stabilizers or UV absorbers antioxidants can also be incorporated into the cavities.
  • the invention is now based on the knowledge that these systems are very different Suitable for marking applications, as an internal particle Resonator is used to add to the luminescence line width of the system suitable suggestion to greatly reduce. It can therefore be a big one Number of different dyes on the spectral position of their luminescence spectra differ. That is, with the help of these dyes, a variety represented by encodings. The number of different markers can be increased even more if in addition the intensity the emitted radiation is evaluated, which is proportional to the amount of existing luminescent or dye.
  • coding systems can be used be formed.
  • an object with different of the dyes described above are marked.
  • the coding arises from the presence or absence of one or more Particle.
  • the characteristic properties of the dye-molecular sieve systems only become apparent when there is intensive optical excitation with light of a suitable wavelength. Due to the threshold behavior of the systems, the optical irradiance must exceed a threshold value that is characteristic of the systems. Typical threshold values are 0.2-4 MW / cm 2 .
  • Light sources of suitable wavelength with sufficient radiation power can be used as the excitation source.
  • An optical device can be used to concentrate the light from the excitation source on a sufficiently small spot and thus to increase the irradiance of the systems.
  • Dyes from the class of pyridines are enclosed in a suitable molecular sieve, such as, for example, an SAPO-5 molecular sieve.
  • a suitable molecular sieve such as, for example, an SAPO-5 molecular sieve.
  • the dye-loaded molecular sieve When excited with a frequency-doubled Nd: YAG laser, the dye-loaded molecular sieve absorbs in the range of the laser wavelength of 532 nm. With a laser power density of 4 MW / cm 2 , the dye-loaded molecular sieve shows a very narrow-band laser-like fluorescence spectrum in the range of approx. 680 nm.
  • Rhodamine is a dye from the class of Rhodamine in a suitable molecular sieve, which belongs for example to the structure type MFI, LTL, EMT, M41S, AFI, CHA.
  • a frequency-doubled Nd: YAG laser and a laser power density of 4 MW / cm 2 this substance shows a very narrow-band laser-like fluorescence spectrum in the range of 560 nm.
  • a dye from the class of the coumarins is enclosed in a suitable molecular sieve, such as, for example, an A1 PO-5 molecular sieve.
  • a suitable molecular sieve such as, for example, an A1 PO-5 molecular sieve.
  • the molecular sieve When excited with a Xe Cl excimer laser with a wavelength of 308 nm and a laser power density of 4 MW / cm 2 , the molecular sieve shows a very narrow-band laser-like fluorescence spectrum in the range of 530 nm.
  • Evidence of systems must be evidence of at least one of the following characteristic features of the systems include a Differentiation from conventional, non-stimulated emitting luminescent substances to enable.
  • the characteristic increase in intensity in a narrow wavelength range with excitation above threshold the characteristic Threshold behavior of the increase in intensity when the Irradiance using a suitable spectrally constricting element be detected in the detection channel.
  • the characteristic narrowing of the luminescence line can be determined by the Comparison of the intensities in the characteristic of the dye system narrow wavelength range with the intensity in other wavelength ranges be detected. This happens e.g. using a spectrometer setup sufficient spectral resolution or by measuring in different Detection channels by suitable spectrally selective elements measure the intensity in the required spectral range. In case of transient A characteristic spectral distribution is observed with excitation with an intensity maximum at the characteristic wavelength or characteristic intensity relationships in the different channels, that do not occur with conventional luminescent dyes.
  • Another characteristic feature of the systems is the saturation of the optical transition only at much higher luminescence intensities, so that with these systems much higher luminescence intensities can be observed than with conventional luminescent substances.
  • the molecular sieves described form microcrystals or crystal-like structures, hereinafter referred to as particles become.
  • the particles can be used to mark any objects, in particular of securities, passports, forms, CDs or other everyday products can be used.
  • the easiest One possibility is to add the particles to a printing ink.
  • the particles can also be added directly to the material of the object become. This is useful, for example, if the object to be secured a document of value, such as a banknote or ID card.
  • the particles are preferably the paper pulp added during the manufacture of the banknote paper.
  • ID cards on the other hand, one of the top or inlet layers in volume with the Particles.
  • the particles can also be incorporated directly into a polymer be embedded.
  • the authenticity feature according to the invention can or the dye-loaded molecular sieves also with a kind of camouflage can be combined.
  • a label uses two luminescent substances, one of the Fabrics a conventional luminescent substance and the other one according to the invention dye-loaded molecular sieve. With subliminal stimulation both substances behave in the same way, while above-threshold Excitation of the emission behavior of the dye-laden molecular sieve, as already explained, changed.
  • a barcode the particles of the invention printed and the spaces between Barcodes with the conventional luminescent substance, so is subliminal Suggestion just to prove a uniformly luminescent field. If the particles according to the invention are excited above threshold narrow in the emission spectrum in the area of the bars of the barcode Luminescence peaks and in this way make the code visible. With help this principle can of course also be any other coding or information is displayed.
  • the substances, conventional luminescent substance and molecular sieve according to the invention can also work together in one ink or another Carrier material may be included.
  • the excitation is used of the molecular sieve as an additional authenticity feature and increased thus the protection against counterfeiting.
  • FIG. 1 shows an inventive value document 1 with an inventive one Security element 2.
  • the security element exists 2 from a dashed area in which the actual Authenticity feature, an imprint 3, is arranged.
  • This imprint 3 contains the dye-loaded molecular sieve particles according to the invention.
  • the security element 2 could also be designed in the form of a label be, which the authenticity feature 3 in the form of an imprint wearing. It is also conceivable for the security element 2 to be in the form of a thread or tape, the authenticity feature 3 on a carrier material, preferably a plastic film is arranged. This tape can either be arranged over the entire surface of the value document 1 are or at least partially embedded in the value document his. This type of insertion is particularly useful for banknotes, which are often provided with so-called "window security threads". Here the security thread is practically in the paper during its manufacture woven in so that it can surface directly in certain areas of the paper occurs.
  • FIG. 2 shows the document of value shown in FIG. 1 along the line AA in cross section.
  • FIG. 3 shows a further embodiment of the value document according to the invention 1 in cross section along the line A - A.
  • the security feature 2 not only from the authenticity feature 3 in the form of an imprint, it also has a tamprint 4, which shows the authenticity feature 3 surrounds in the entire area of the security element 2. that is, the area shown in dashed lines in Fig. 1 is complete with the camouflage 4 provided, except for the area of the authenticity feature 3.
  • This Camouflage print 4 contains an ordinary luminescent substance, which also is preferably transparent in the visual spectral range. additionally this luminescent substance shows the same absorption and emission behavior like the particles according to the invention, as long as they have a laser power density below the threshold value characteristic for these particles be stimulated.
  • the security element 2 only as uniform perceive luminescent surface.
  • excitation above threshold changes the emission behavior of the authenticity feature 3 and through the authenticity mark 3 shown occurs in the form of narrow, very intense emission lines from the luminescent underground, which is formed by the camouflage print 4.
  • Fig. 4 shows the absorption spectrum of a dye-loaded according to the invention Molecular sieve in the range of 530 nm.
  • the authenticity shows one relatively broadband luminescence emission based on spontaneous emission and is represented by curve A in FIG.
  • the material shows a very narrow band Emission in the 680 nm range as shown by curve B in FIG. 5 shown.
  • the emission intensity I E only grows slowly below the threshold I S with the excitation intensity. Above the threshold value Is the stimulated emission of the dye-loaded molecular sieve sets in, so that the emission intensity grows much faster with the excitation intensity.
  • the molecular sieve surrounding the dye acts like a laser resonator that amplifies the luminescent radiation emitted by the dye in a laser-like manner.

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  • Business, Economics & Management (AREA)
  • Accounting & Taxation (AREA)
  • Finance (AREA)
  • Credit Cards Or The Like (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
  • Luminescent Compositions (AREA)
  • Polarising Elements (AREA)
  • Compounds Of Unknown Constitution (AREA)
  • Saccharide Compounds (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Braking Elements And Transmission Devices (AREA)
  • Valve Device For Special Equipments (AREA)
  • Holo Graphy (AREA)

Claims (20)

  1. Document de valeur (1) tel que titres, cartes d'identité ou apparentés, comportant au moins une marque d'authenticité (3) sous forme d'une substance luminescente, ladite substance luminescente (3) présentant des particules qui se composent d'un filtre moléculaire imbibé de colorants, dont la structure forme un résonateur optique dans lequel au moins un colorant peut être excité pour produire une émission stimulante, le colorant étant inséré dans les espaces creux du filtre moléculaire ou se trouvant sur la surface interne et externe du filtre moléculaire, et le passage à une émission stimulante s'accompagnant d'un changement constatable des propriétés luminescentes du colorant.
  2. Document de valeur (1) selon la revendication 1, caractérisé en ce que la substance luminescente (3) présente différentes particules qui se composent de divers filtres moléculaires imbibés de colorants.
  3. Document de valeur (1) selon la revendication 1 ou 2, caractérisé en ce que les filtres moléculaires présentent une structure en canal, comme par exemple ceux appartenant aux classes de phosphates d'aluminium.
  4. Document de valeur (1) selon au moins une des revendications 1 à 3, caractérisé en ce qu'on utilise des molécules de colorant appartenant à la classe des colorants laser.
  5. Document de valeur (1) selon au moins une des revendications 1 à 4, caractérisé en ce que les propriétés spectrales du colorant sont déterminées par le choix des groupes terminaux.
  6. Document de valeur (1) selon au moins une des revendications 1 à 5, caractérisé en ce que le filtre moléculaire présente différents colorants pouvant être excités.
  7. Document de valeur (1) selon au moins une des revendications 1 à 6, caractérisé en ce que le document de valeur (1) présente une autre marque d'authenticité.
  8. Document de valeur (1) selon la revendication 7, caractérisé en ce que la deuxième marque d'authenticité est un autre colorant luminescent qui présente de préférence la même couleur propre que la substance luminescente.
  9. Document de valeur (1) selon au moins une des revendications 1 à 8, caractérisé en ce que la substance luminescente (3) existe dans le volume du document de valeur (1).
  10. Document de valeur (1) selon au moins une des revendications 1 à 8, caractérisé en ce que la substance luminescente (3) est mélangée à une encre d'imprimerie.
  11. Document de valeur (1) selon la revendication 10, caractérisé en ce que l'encre d'imprimerie est déposée sous la forme d'un codage, plus particulièrement d'un code-barre.
  12. Document de valeur (1) selon la revendication 10 ou 11, caractérisé en ce que l'encre d'imprimerie avec la substance luminescente est recouverte d'une deuxième encre d'imprimerie avec une autre substance luminescente.
  13. Document de valeur (1) selon au moins une des revendications 10 à 12, caractérisé en ce que l'encre d'imprimerie est déposée au moins sur des zones du document de valeur (1) ou sur un support relié au document de valeur.
  14. Document de valeur (1) selon au moins une des revendications 1 à 8, caractérisé en ce que la substance luminescente (3) est déposée dans ou sur un élément de sécurité (2) relié au document de valeur.
  15. Elément de sécurité (2) avec au moins une marque d'authenticité (3) sous forme d'une substance luminescente, ladite substance luminescente (3) présentant des particules qui se composent d'un filtre moléculaire imbibé de colorants dont la structure forme un résonateur optique dans lequel au moins un colorant peut être excité pour produire une émission stimulante, le colorant étant inséré dans les espaces creux du filtre moléculaire ou se trouvant sur la surface interne et externe du filtre moléculaire, et le passage à une émission stimulante s'accompagnant d'un changement constatable des propriétés luminescentes du colorant.
  16. Elément de sécurité (2) selon la revendication 15, caractérisé en ce que l'élément de sécurité (2) présente au moins un matériau de support dans le volume ou sur la surface duquel la substance luminescente (3) est déposée.
  17. Elément de sécurité (2) selon la revendication 15 ou 16, caractérisé en ce que l'élément de sécurité (2) présente la forme d'une languette, d'une bande ou d'une étiquette.
  18. Procédé de marquage de produits, le produit étant pourvu d'une substance luminescente qui présente des particules qui se composent d'un filtre moléculaire imbibé de colorants dont la structure forme un résonateur optique dans lequel au moins un colorant peut être excité pour produire une émission stimulante, le colorant étant inséré dans les espaces creux du filtre moléculaire ou se trouvant sur la surface interne et externe du filtre moléculaire, et le passage à une émission stimulante s'accompagnant d'un changement constatable des propriétés luminescentes du colorant.
  19. Procédé de contrôle d'une substance luminescente présentant des particules qui se composent d'un filtre moléculaire imbibé de colorants dont la structure forme un résonateur optique dans lequel au moins un colorant peut être excité pour produire une émission stimulante, le colorant étant inséré dans les espaces creux du filtre moléculaire ou se trouvant sur la surface interne et externe du filtre moléculaire, et le passage à une émission stimulante s'accompagnant d'un changement constatable des propriétés luminescentes du colorant, la réduction et/ou le déplacement des lignes et l'augmentation ou le raccourcissement de la durée de vie étant utilisé comme marque d'authenticité.
  20. Utilisation de filtres moléculaires imbibés de colorants qui présentent une luminescence stimulée sans résonateur externe pour le marquage de produits.
EP00941978A 1999-05-25 2000-05-23 Document de valeur Expired - Lifetime EP1200272B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19923959A DE19923959A1 (de) 1999-05-25 1999-05-25 Wertdokument
DE19923959 1999-05-25
PCT/EP2000/004694 WO2000071363A1 (fr) 1999-05-25 2000-05-23 Document de valeur

Publications (2)

Publication Number Publication Date
EP1200272A1 EP1200272A1 (fr) 2002-05-02
EP1200272B1 true EP1200272B1 (fr) 2003-04-16

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EP00941978A Expired - Lifetime EP1200272B1 (fr) 1999-05-25 2000-05-23 Document de valeur

Country Status (10)

Country Link
US (1) US6858323B1 (fr)
EP (1) EP1200272B1 (fr)
CN (1) CN1119250C (fr)
AT (1) ATE237479T1 (fr)
AU (1) AU5675600A (fr)
CA (1) CA2374814C (fr)
DE (2) DE19923959A1 (fr)
MX (1) MXPA01012084A (fr)
RU (1) RU2232422C2 (fr)
WO (1) WO2000071363A1 (fr)

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DE10116315A1 (de) 2001-04-02 2002-10-10 Giesecke & Devrient Gmbh Farbcodierung zur Kennzeichnung von Gegentänden
DE10346632A1 (de) * 2003-10-08 2005-05-19 Giesecke & Devrient Gmbh Wertdokument
DE102004025373A1 (de) * 2004-05-24 2005-12-15 Merck Patent Gmbh Maschinenlesbares Sicherheitselement für Sicherheitserzeugnisse
US8110281B2 (en) * 2004-07-02 2012-02-07 3Dtl, Inc. Systems and methods for creating optical effects on media
US20080116272A1 (en) * 2004-09-02 2008-05-22 Thomas Giering Value Document with Luminescent Properties
GB0427407D0 (en) * 2004-12-14 2005-01-19 Rue De Int Ltd Security material
DE102006017764A1 (de) * 2006-04-12 2007-10-18 Bundesdruckerei Gmbh Sicherheits- und/oder Wertdokument
CA2719793C (fr) 2008-04-02 2014-10-07 Sicpa Holding Sa Identification et authentification par utilisation de marquages en un materiau cristal liquide
UY32530A (es) 2009-04-02 2010-10-29 Sicpa Holding Sa Identificación y autenticación usando marcados de material de cristal liquido polimérico
DE102009058669A1 (de) * 2009-12-16 2011-06-22 Giesecke & Devrient GmbH, 81677 Echtheitsmerkmal in Form von lumineszierenden Substanzen
DE102010022701B4 (de) * 2010-06-04 2012-02-02 Innovent E.V. Verfahren zur Kennzeichung eines Substrates

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MXPA01012084A (es) 2003-06-30
CN1360543A (zh) 2002-07-24
DE50001811D1 (de) 2003-05-22
WO2000071363A1 (fr) 2000-11-30
US6858323B1 (en) 2005-02-22
CA2374814C (fr) 2008-08-26
CN1119250C (zh) 2003-08-27
CA2374814A1 (fr) 2000-11-30
ATE237479T1 (de) 2003-05-15
AU5675600A (en) 2000-12-12
RU2232422C2 (ru) 2004-07-10
EP1200272A1 (fr) 2002-05-02
DE19923959A1 (de) 2000-11-30

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