EP1383959B1 - Codage couleur pour l'identification d'objets - Google Patents

Codage couleur pour l'identification d'objets Download PDF

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Publication number
EP1383959B1
EP1383959B1 EP02712958A EP02712958A EP1383959B1 EP 1383959 B1 EP1383959 B1 EP 1383959B1 EP 02712958 A EP02712958 A EP 02712958A EP 02712958 A EP02712958 A EP 02712958A EP 1383959 B1 EP1383959 B1 EP 1383959B1
Authority
EP
European Patent Office
Prior art keywords
object according
particles
colored particles
color
paper
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
EP02712958A
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German (de)
English (en)
Other versions
EP1383959A2 (fr
Inventor
Walter Schneider
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
Application filed by Giesecke and Devrient GmbH filed Critical Giesecke and Devrient GmbH
Publication of EP1383959A2 publication Critical patent/EP1383959A2/fr
Application granted granted Critical
Publication of EP1383959B1 publication Critical patent/EP1383959B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • B42D25/30—Identification or security features, e.g. for preventing forgery
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/40—Agents facilitating proof of genuineness or preventing fraudulent alteration, e.g. for security paper
    • D21H21/44—Latent security elements, i.e. detectable or becoming apparent only by use of special verification or tampering devices or methods
    • 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
    • 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
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/28—Colorants ; Pigments or opacifying agents
    • B42D2035/44—
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/28—Colorants ; Pigments or opacifying agents
    • D21H21/285—Colorants ; Pigments or opacifying agents insoluble
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/50—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by form
    • D21H21/52—Additives of definite length or shape

Definitions

  • the invention relates to an article with a color coding for the identification of the article, in particular a document of value, and a security element applicable to the article with such a color coding.
  • value document in the context of the invention banknotes, checks, stocks, tokens, identity cards, credit cards, passports and other documents as well as labels, seals, packaging or other elements for product assurance to understand.
  • a value document which contains complex, green-colored particles having a particle size of less than 1 ⁇ m, which contain a low-concentration, luminescent substance in the IR range. If the particles are stored in the paper volume, the concentration is between 500 g and 10,000 g per ton of paper. If the particles are printed, their concentration is 100 kg to 30 kg per ton of printing ink.
  • the examination of such value documents is complex and requires the use of both a particularly intense excitation light source, for example a flash light, and an IR sensor.
  • the DE-A-199 23 959 describes a value document with similarly complex color particles, which are produced by crystal formation from a plurality of molecular sieves, wherein the luminescent dye in the molecular sieves is installed. The presence or absence of one or more particles results in coding of the value document.
  • luminescent color particles are stored in paper in an amount of, for example, 4,000 g per tonne of paper.
  • the particle size is chosen so that the particles do not disappear in the background, but are individually recognizable during the test. Since the test takes place in the dark, a particle size of 30 to 500 .mu.m, preferably 100 to 230 .mu.m, is sufficient because of the luminescence of the particles.
  • the particles are stored in the security paper or the paper is coated with it.
  • the EP-A-219 743 proposes much smaller luminescent color particles with a size of 10 to 35 microns and a concentration of 1 to 15 g per ton of paper.
  • the color particles consist of transparent material in which the luminescent substances are embedded. Due to their extensive transparency and their small size, the particles are not visible to the naked eye, but on UV irradiation they glow in the dark and are thus individually recognizable.
  • interference pigments with a particle size of 5 to 30 microns on a colored background. If the interference pigments are applied to a substrate printed with a scattering, complementary color pigment, false colors are produced during copying, up to the invisibility of the copied interference pigments.
  • the color codings proposed in the prior art are complicated by the complexity of the color particles used and correspondingly expensive to produce.
  • their testing is complex because it requires at least a dark room for testing and possibly additional, expensive and possibly maintenance-prone tools, such as a UV light source and the like.
  • the possibilities of producing different color codings by combining differently colored color particles are very limited.
  • Object of the present invention is to provide objects, in particular securities, with a color coding available, which opens up numerous possibilities of variation at low cost and which inconspicuous, that is not readily apparent to the naked eye, but yet detectable without much effort.
  • the invention is based on a combination of features which is closely related to the color particles used, namely on the one hand the “particle size” and on the other hand the “particle concentration”.
  • the particle size is inventively chosen so that the individual particles are just no longer perceptible to the naked eye.
  • the particle concentration is chosen so that it is not perceived by the human eye as a coloration of the product.
  • Such color coding can be generated with simple color particles. It is imperceptible to the naked eye, therefore does not stand out as an authenticity or identification feature, but is still recognizable with the simplest technical aids, such as a magnifying glass or a simple microscope. In addition, an enormous variety of color coding variations can be achieved by combining differently colored particles with color shades which can be easily distinguished from one another by the human eye.
  • the color perception of the human eye depends not only on the specific hue as such, but also substantially on the color saturation and the color brightness of the hue or the contrast to the background. The lower the color saturation ("luminosity of color”) and the contrast, the less perceived as coloration of the product at a given particle concentration. The same applies to the visual acuity or the resolution of the human eye. For while contrasting colors may still be perceivable or dissolvable given the particle size, less contrasting colors may not be discernable at the same particle size. It should also be borne in mind that visual acuity decreases with age as well as with visual distance.
  • ranges of particle size between 1 .mu.m and 100 .mu.m, in particular 10 .mu.m to 30 .mu.m, and ranges of particle concentration are, in the case of admixture of the particles in a pulp, between 10 g and 1000 g per Ton produced paper, in particular about 100 g per ton of paper produced, depending on hue, color saturation and color brightness of the particles and beyond also dependent on the particulate material. Because the required particle concentration (based on the paper pulp) also depends on whether, for example, the dyes are embedded in a transparent resin or polymer matrix or whether colored metal oxide particles are used.
  • the color particles can be connected to the product in a variety of ways.
  • the particles may be admixed to a printing ink, preferably in a concentration of 0.1% by weight, based on the printing ink, which is preferably white or transparent, but which may also be colored, provided that the color particles are not colored in relation to this coloring human eye can be well distinguished.
  • a plastic or paper pulp is possible.
  • the particles can be provided on or in a plastic carrier material, which is for example at least partially embedded in a paper pulp.
  • the plastic carrier material may in this case have the form of a security thread, a mottled fiber or a planchette.
  • the plastic or paper carrier material can also be attached to any other object, for example as part of product securing measures.
  • the carrier material is preferably formed in this case as a label. If the carrier material is part of the object to be secured, as is the case, for example, with tear threads, it is of course also possible to use any other shaping.
  • the color coding preferably comprises more than one color.
  • color particles with the basic colors yellow, red, blue and possibly additional color particles with the orange hues in between To use violet, green.
  • the mixed color brown and, moreover, black are suitable.
  • some hues can be easily distinguished by differences in brightness, such as light blue and dark blue.
  • Particles in the aforementioned colors can be produced in a simple and inexpensive manner. Also easy to make, but inherently more valuable and therefore more expensive are colored particles of valuable substances such as gold, ultramarine, malachite green, garnet and the like. For high-value documents, the use of such valuable particles may be useful to reduce their counterfeit attraction, without thereby complicating the production of color coding or checking the color coding.
  • a particular advantage of the invention is to be seen in the ease of manufacture of the particles, since they can be readily prepared from an inexpensive material by grinding in the desired particle size.
  • the particles may be ground, selectively absorbing metal oxides, such as iron oxide Fe 2 O 3 , which appears red to the viewer, or chromium oxide, which appears green to the viewer.
  • the particles may also consist of a resin, in particular a melamine resin or polyurethane resin, the organic substances with the desired hues (for example, red or green) are added.
  • the melamine resin or polyurethane resin is brittle after curing and therefore easily grindable.
  • polymeric materials, in particular acrylic polymers can be used as the dye carrier, provided that they are brittle and grindable.
  • the particles are incorporated in the product, for example by mixing them into the pulp during papermaking, it must be ensured that the particles are insoluble in the material, which is usually the case for organic dyes in melamine resin and acrylic polymers Case is.
  • the color particles used are simple, color-independent scattering color particles, which are thus based either on selective absorption or diffuse scattering.
  • the color particles in the visual spectral range reflect to the human eye can be perceived without additional equipment expense, apart from a simple technical tool, such as a magnifying glass or a microscope.
  • the magnification factor of these aids depends on the size of the particles used, i. the smaller the particles, the stronger the magnification factor. With particle sizes of about 50 microns and more usually a magnifying glass with 8x magnification (8x) is sufficient. For particle sizes of less than about 50 microns, especially in the range of 10 microns, however, we recommend a microscope with 100-fold magnification (100x).
  • a particular embodiment of the invention therefore provides that the colored particles are combined with any machine-readable features, for example also luminescent substances which are not perceptible to the naked eye in daylight. These luminescent substances may be provided separately, but are preferably embedded together with the dyes in the resin or polymer matrix. Such particles can then be detected both with the eye and with sensors, in particular if the luminescent substances exclusively luminesce outside the visual spectral range, for example in the UV or IR spectral range. This combination is particularly advantageous if, in addition to a marking of the products, a proof of authenticity should also be possible.
  • luminescent dyes it is possible to use readily available luminescent substances, but also luminescent substances developed especially for safety-related applications.
  • the former luminescent substances are preferably used to increase the number of variants for color coding. Suitable are fluorescers, e.g. Distillibene derivatives with blue fluorescence or flavin resp. Flavone dyes with yellow-green fluorescence.
  • the luminescent substances specially developed for safety applications are, for example, host lattices doped with rare earth elements.
  • the products with the color coding for example by incorporating the particles in the volume of the product or by application to the surface, for example by printing by means of Flexoprint or by spraying by means of a device according to EP 0 659 935 B1 .
  • the flexographic printing inks preferably consist of a colorless varnish with addition so little particles that the printed color does not look colorful.
  • the color coding variants which can be achieved with the different color pigments can be further increased if the different color particles are present in separate, continuous stripes on or in the product.
  • the papermaking was carried out identically as in Example 1.
  • the stock suspension were mixed per color about 200 g of color particles per ton of paper produced.
  • the color particles were made of a melamine resin to which a red organic dye was mixed to produce red color particles and a green organic dye was mixed to produce green color particles.
  • the melamine resin is e.g. Maprenal VMF 3921w / 85WA (manufacturer: Vianova AG), to which 5% by weight of red or green dye, based on the amount of dry resin, is added.
  • a brittle, easily grindable resin was obtained, from which the color particles (particle size about 20 ⁇ m) were obtained by grinding and added to the paper stock suspension.
  • the particles were detectable with a microscope at a magnification of 100x (100x) and easily distinguishable without the paper having any noticeable coloration.
  • a paper sheet of 90 g / m 2 was formed, the pulp suspension of which had been mixed with two different fluorescent particles (particle size about 20 ⁇ m) in an amount of about 200 g per ton of produced paper prior to sheet formation.
  • the sheet was formed on a papermaking screen in the usual manner and dried.
  • the particles were prepared from melamine resin Maprenal VMF 3921w / 85WA (manufacturer Vianova AG), to produce red color particles 5 wt .-% Nylosan Rhodamine B300, based on the dry amount of resin, and to produce colorless particles 5 wt .-% blank BA, based on the amount of dry resin was added.
  • the mixture of Maprenal and Nylosan Rhodamin B300 or Blankophor BA is poured into a dish designed with polyester film and dried at 120 ° C in the oven.
  • the foil is removed and the hardened mass scraped off.
  • the hardened mass is then comminuted in a hammer mill and sieved through a sieve of 30 ⁇ m mesh size.
  • the particle fraction that has passed through the sieve is added to the pulp suspension used for sheet formation.
  • Blankophor BA visually fluoresces blue in the visible spectral region and Nylosan Rhodamine B 300 fluoresces red in the visible spectral region.
  • Nylosan Rhodamine B300 has a red body color in the visible spectral range. The particles were detectable with a microscope at a magnification of 100x (100x) and easily distinguishable without the paper having any noticeable coloration.
  • a pulp suspension for example, a suspension of 100 g of pine sulfate pulp in 5 liters of water 10 mg Ultramarine (blue, particle size approx. 40 ⁇ m) 20 mg Iron oxide Fe 2 O 3 (red, particle size approx. 30 ⁇ m) 20 mg Blankophor BA resin particles, as prepared in Example 3 (colorless, when excited in UV blue fluorescent, particle size 25 microns) and 10 mg Mica (shiny metallic, particle size approx. 40 ⁇ m) added.
  • Ultramarine blue, particle size approx. 40 ⁇ m
  • Iron oxide Fe 2 O 3 red, particle size approx. 30 ⁇ m
  • Blankophor BA resin particles as prepared in Example 3 (colorless, when excited in UV blue fluorescent, particle size 25 microns) and 10 mg Mica (shiny metallic, particle size approx. 40 ⁇ m) added.

Landscapes

  • Business, Economics & Management (AREA)
  • Accounting & Taxation (AREA)
  • Finance (AREA)
  • Paper (AREA)
  • Credit Cards Or The Like (AREA)
  • Spectrometry And Color Measurement (AREA)
  • Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
  • Inspection Of Paper Currency And Valuable Securities (AREA)
  • Holo Graphy (AREA)
  • Automatic Tape Cassette Changers (AREA)
  • Investigating Or Analysing Biological Materials (AREA)

Claims (27)

  1. Objet équipé d'un codage de couleur, dans lequel le codage de couleur contient des particules colorées, réfléchissant dans la zone spectrale visuelle, se dispersant de façon indépendante de l'angle d'incidence et qui présente un diamètre compris entre 1 µm et 100 µm, de sorte qu'elles ne soient pas perceptibles à l'oeil nu par l'homme à l'examen à la lumière du jour, mais qu'elles puissent être reconnues avec une loupe ou avec un microscope,
    caractérisé en ce que,
    les particules sont présentes à une concentration suffisamment faible pour que le codage de couleur ne puisse pas être détecté à l'oeil nu par l'homme à l'examen à la lumière du jour sous la forme d'une coloration de l'objet.
  2. Objet selon la revendication 1, dans lequel le codage de couleur comporte des particules de couleurs différentes, facilement différentiables pour l'oeil humain.
  3. Objet selon la revendication 2, dans lequel les couleurs des particules sont choisies dans le groupe des couleurs de base : rouge, jaune, bleu et/ou les couleurs intermédiaires orange, vert, violet.
  4. Objet selon la revendication 2 ou 3, dans lequel le codage de couleur comporte des particules colorées sensiblement dans la même nuance de couleur mais avec des brillances de couleur légèrement différentes.
  5. Objet selon l'une des revendications 1 à 4, dans lequel les particules colorées se composent d'oxyde de fer et/ou d'oxyde de chrome finement moulu.
  6. Objet selon l'une des revendications 1 à 4, dans lequel les particules colorées se composent de résines mélamine ou de résines polyuréthane colorées.
  7. Objet selon l'une des revendications 1 à 4, dans lequel les particules colorées se composent de polymère acrylique coloré.
  8. Objet selon l'une des revendications 1 à 7, dans lequel les particules colorées sont logées dans une masse de papier.
  9. Objet selon la revendication 8, contenant dans le papier de 10 g à 1000 g de particules colorées par tonne de papier.
  10. Objet selon la revendication 9, contenant dans le papier environ 100 g de particules colorées par tonne de papier.
  11. Objet selon l'une des revendications 1 à 7, dans lequel les particules sont déposées sur la surface d'un objet à caractériser.
  12. Objet selon la revendication 11, dans lequel les particules colorées sont déposées seulement dans des zones partielles de la surface de l'objet à caractériser.
  13. Objet selon la revendication 12, dans lequel les zones partielles sont réalisées en forme de bandes.
  14. Objet selon l'une des revendications 1 à 13, dans lequel sont présentes des caractéristiques supplémentaires aptes à la lecture à la machine.
  15. Objet selon la revendication 14, dans lequel est prévu un nombre de caractéristiques différentes aptes à la lecture à la machine correspondant au nombre des couleurs différentes des particules.
  16. Objet selon la revendication 14 ou 15, dans lequel les caractéristiques aptes à la lecture à la machine sont un constituant des particules colorées.
  17. Objet selon la revendication 14 ou 15, dans lequel les caractéristiques aptes à la lecture à la machine sont présentes séparément des particules colorées.
  18. Objet selon la revendication 17 dans lequel les caractéristiques aptes à la lecture à la machine sont présentes dans l'une des bandes séparées des particules colorées.
  19. Objet selon l'une des revendications 14 à 18, dans lequel les caractéristiques aptes à la lecture à la machine sont constituées par des substances luminescentes.
  20. Objet selon la revendication 19, dans lequel la substance luminescente dans une partie des particules colorées, émet de la lumière par fluorescence dans une couleur sensiblement correspondante.
  21. Objet selon la revendication 19 ou 20, dans lequel la substance luminescente émet par fluorescence de la lumière en dehors de la zone spectrale visuelle.
  22. Objet selon l'une des revendications 1 à 20, comprenant des particules colorées qui se composent de substances précieuses.
  23. Objet selon la revendication 22, dans lequel les substances précieuses sont choisies dans le groupe des substances suivantes : or, outremer, verre malachite, grenat.
  24. Objet selon l'une des revendications 1 à 23, dans lequel l'objet est un élément de sécurité pour l'application ou l'insertion sur ou respectivement dans un autre objet.
  25. Objet selon l'une des revendications 1 à 23, dans lequel l'objet est un document de valeur.
  26. Document de valeur comportant un élément de sécurité selon la revendication 24.
  27. Document de valeur selon la revendication 26, se composant de papier.
EP02712958A 2001-04-02 2002-03-26 Codage couleur pour l'identification d'objets Expired - Lifetime EP1383959B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10116315 2001-04-02
DE10116315A DE10116315A1 (de) 2001-04-02 2001-04-02 Farbcodierung zur Kennzeichnung von Gegentänden
PCT/EP2002/003400 WO2002078964A2 (fr) 2001-04-02 2002-03-26 Codage couleur pour l'identification d'objets

Publications (2)

Publication Number Publication Date
EP1383959A2 EP1383959A2 (fr) 2004-01-28
EP1383959B1 true EP1383959B1 (fr) 2007-09-05

Family

ID=7680055

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02712958A Expired - Lifetime EP1383959B1 (fr) 2001-04-02 2002-03-26 Codage couleur pour l'identification d'objets

Country Status (6)

Country Link
EP (1) EP1383959B1 (fr)
AT (1) ATE372416T1 (fr)
AU (1) AU2002244755A1 (fr)
DE (2) DE10116315A1 (fr)
ES (1) ES2289089T3 (fr)
WO (1) WO2002078964A2 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3613591A1 (fr) * 2018-08-21 2020-02-26 Etimex Primary Packaging GmbH Emballage de produit infalsifiable
CN112907769B (zh) * 2019-11-15 2022-12-30 天地融科技股份有限公司 基于预装及分步信息写入的车载单元管理方法及系统

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DE19803997B4 (de) * 1998-02-02 2018-01-25 Giesecke+Devrient Currency Technology Gmbh Wertdokument
AUPP624498A0 (en) * 1998-09-29 1998-10-22 Securency Pty Ltd Security document including a nanoparticle-based authentication device
DE19934436B4 (de) * 1999-07-22 2011-06-22 Honeywell International Inc., N.J. Verwendung feinstkörniger anorganischer Leuchtstoffe
DE19923959A1 (de) 1999-05-25 2000-11-30 Giesecke & Devrient Gmbh Wertdokument
US6270625B1 (en) * 1999-06-29 2001-08-07 The Mead Corporation Method for manufacturing colored stripped paper
DE19941824A1 (de) * 1999-09-02 2001-03-08 Bayer Ag Flammwidrige Polycarbonat-Blends
DE19943704C1 (de) * 1999-09-08 2001-05-10 Inst Physikalische Hochtech Ev Affinitätssensor zum Nachweis biologischer und/oder chemischer Spezies und dessen Verwendung

Also Published As

Publication number Publication date
AU2002244755A1 (en) 2002-10-15
EP1383959A2 (fr) 2004-01-28
DE10116315A1 (de) 2002-10-10
ES2289089T3 (es) 2008-02-01
ATE372416T1 (de) 2007-09-15
DE50210852D1 (de) 2007-10-18
WO2002078964A3 (fr) 2003-05-01
WO2002078964A2 (fr) 2002-10-10

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