EP0211754B1 - Sicherungsmarkierverfahren und Sicherungsmarkierungen aufweisende Materialien - Google Patents

Sicherungsmarkierverfahren und Sicherungsmarkierungen aufweisende Materialien Download PDF

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Publication number
EP0211754B1
EP0211754B1 EP86401696A EP86401696A EP0211754B1 EP 0211754 B1 EP0211754 B1 EP 0211754B1 EP 86401696 A EP86401696 A EP 86401696A EP 86401696 A EP86401696 A EP 86401696A EP 0211754 B1 EP0211754 B1 EP 0211754B1
Authority
EP
European Patent Office
Prior art keywords
marking
chelate
chelates
authenticated
authentication
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
EP86401696A
Other languages
English (en)
French (fr)
Other versions
EP0211754A3 (en
EP0211754A2 (de
Inventor
Michel Jalon
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.)
Petrel Sarl
Original Assignee
Petrel Sarl
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 Petrel Sarl filed Critical Petrel Sarl
Priority to AT86401696T priority Critical patent/ATE63500T1/de
Publication of EP0211754A2 publication Critical patent/EP0211754A2/de
Publication of EP0211754A3 publication Critical patent/EP0211754A3/fr
Application granted granted Critical
Publication of EP0211754B1 publication Critical patent/EP0211754B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • B41M3/06—Veined printings; Fluorescent printings; Stereoscopic images; Imitated patterns, e.g. tissues, textiles
    • 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
    • B41M3/142—Security printing using chemical colour-formers or chemical reactions, e.g. leuco-dye/acid, photochromes
    • 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
    • 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
    • D21H21/46—Elements suited for chemical verification or impeding chemical tampering, e.g. by use of eradicators

Definitions

  • the present invention relates to fiduciary document markings, allowing authentication or identification of these documents under certain conditions: or solutions requiring authentication.
  • transduciary documents designates here and in the following security papers such as papers for banknotes, checks, stocks, securities, stamps, official documents, identity cards, passports, booklets, tickets, tickets, vouchers, newsletters, account books, and other similar papers which should provide a high level of security and allow for subsequent authentication.
  • identification is generally done by fairly simple technical means such as grazing lighting, Wood lamps, etc.
  • marking means which the counterfeiter, by examining the document cannot have knowledge, because firstly this marking is invisible, while the person responsible for authenticating or identifying will be able to make this marking appear visibly, because secondly this marking can be disabled after its disclosure by the person authorized to do so to do, and because thirdly the good reaction of revelation of the marking will be very difficult to discover because to choose among a very wide number of possibilities.
  • the present invention provides such a level of security by firstly adopting a two-stage marking process, and secondly by using the properties of the chelates.
  • the first stage of marking is a pre-marking which is done during the production of the document; the second step is the revelation of the marking which may be several months or several years after the first step.
  • This marking process uses the properties of chelates which have the advantage of being, under excitation of ultraviolet rays, fluorescent in a part of the spectrum ranging from ultraviolet to infra-red depending on the metal ions used .
  • one or more of one of the constituent elements of the chelate is deposited in or on the security paper, choosing these elements so that the chelate is not formed in this first stage.
  • the revelation is made by constituting the chelate in or on the paper, that is to say by depositing the missing element (s) there, which causes the synthesis of the chelate in this second step.
  • the chelate formation is thus carried out only at the time of identification.
  • the molar ratios between the ligand and the metal ion depend on the chelate to be formed, but in all cases the ligand must be in clear excess; with certain ligand / metal ion combinations it is possible to obtain a fluorescence of the second marking time with only traces of metal ions.
  • one or more of one of the constituent elements of the chelate are deposited in aqueous or alcoholic solution in or on the security paper, either at the head of the paper machine, or during coating, or in any other place. during its manufacture or its finishing.
  • the deposition of this or these constituent elements of the chelate does not modify the color of the paper and does not exhibit any fluorescence.
  • the missing element or elements are added to the paper by an aqueous or alcoholic deposit, by any means: printing, brush, stamp, ink reserve pencil, felt-tip pencil, or otherwise.
  • the chelate thus synthesized is an identification mark invisible in sunlight or artificial light, and visible by its fluorescent emission in UV, visible, or I.R., only under excitation of ultraviolet rays.
  • this marking already invisible in sunlight or artificial light, can also become invisible again under excitation of UV rays by deactivating the fluorescence of the chelate, deactivation obtained by depositing on the site authenticated by the fluorescent chelate an acid or alkaline solution with any of the means described and used for the second step.
  • the chelates to be formed can be formed with metals, metalloids, and chelates from Rare Earths are particularly advantageous.
  • the proof of counterfeiting will be easily applied either because, on the counterfeit document, the second step of the marking will not lead to the formation of a fluorescent chelate, the real combination not having been respected, or because the fluorescence of the chelate obtained in the second stage will not give the expected fluorescence spectrum, the real combination not having been observed there either.
  • Example 1 during the production of a security paper, an alcoholic coating solution was deposited containing 4 moles / liter of acetylacetone and 4 moles / liter of pyridine. This paper dried and cut in the format of a check showed no trace of this first time of marking,
  • Example 9 4 separate solutions of EuCl3, TbCl3, NdCl3, SmCl3 were deposited in the paper of a lottery ticket, by means of 4 ink rollers each containing one of these 4 solutions; the printing of the 4 rolls was horizontal and the 4 strip depots were each one centimeter apart,
  • Example 10 during the manufacture of a security paper, an aqueous coating solution containing 4 moles / liter of 8-hydroxyquinoline-5-sulfonic acid, di-hydrate, was deposited and dried and then cut this paper in format d 'a check. To proceed with its authentication, the procedure was carried out as in Example 1 using a felt-tip pen filled with an aqueous solution of aluminum nitrate (0.0005 m / l) and obtained a chelate which fluoresced in green-yellow.
  • Example 11 in a reputed brand perfume, 8-hydroxyquinoline (0.004 mole) was dissolved to carry out the first step of the marking; to later distinguish it from an irritated perfume, the real perfume was authenticated and distinguished by incorporating magnesium chloride (0.0005 mole) in the alcoholic phase, thereby causing the synthesis of a fluoroscent chelate in green-yellow.
  • Example 12 the elements of example 11 were repeated but by applying them to heliographic ink for fiduciary use.

Landscapes

  • General Health & Medical Sciences (AREA)
  • Vascular Medicine (AREA)
  • Finance (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Accounting & Taxation (AREA)
  • Business, Economics & Management (AREA)
  • Textile Engineering (AREA)
  • Paper (AREA)
  • Credit Cards Or The Like (AREA)
  • Road Signs Or Road Markings (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)
  • Adornments (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Luminescent Compositions (AREA)

Claims (9)

1. Verfahren zum Markieren von Authentifikationsmarken erfordernden fiduziarischen Dokumenten und Flüssigkeiten unter Ausnützung der fluoreszierenden Eigenschaften von Chelaten, dadurch gekennzeichnet, daß man zu einem ersten Zeitpunkt in oder auf das oder die zu markierende(n) Material(ien) nur einen Teil der Grundbestandteile mindestens eines Chelats einbringt, und man zu einem zweiten Zeitpunkt, nämlich jenem der Authentifikation, die Synthese des fluoreszierenden Chelats vornimmt, indem man in oder auf das oder die zu authentifizierende(n) Material(ien) den fehlenden Teil der Grundbestandteile des Chelats einarbeitet, und man zu einem dritten Zeitpunkt die Fluoreszens des Identifikationschelats durch Zugabe einer Säure oder einer Base in oder auf die markierten Materialien verschwinden läßt.
2. Markierungsverfahren nach Anspruch 1, dadurch gekennzeichneï, daß die Einarbeitung nur eines Teils der Grundbestandteile des Chelats zum ersten Zeitpunkt des Markierens die Farbe des Materials nicht verändert und nicht fluoresziert.
3. Markierungsverfahren nach den Ansprüchen 1 und 2, dadurch gekennzeichnet, daß die zum Zeitpunkt der Authentifikation erfolgten chemischen Reaktion(en) eine Kodierung der durch die Anordnung ihrer Fluoreszensemissionszonen und durch ihre Emissionsspektren authentifizierten Materialien darstellen.
4. Markierungsverfahren nach den vorhergehenden Ansprüchen, dadurch gekennzeichnet, daß die Markierung unter Verwendung von Kombinationen Ligand-Seltene Erden erfolgt.
5. Markierungsverfahren, durchgeführt nach den Ansprüchen 1 bis 4, dadurch gekennzeichnet, daß die Markierung unter gleichzeitiger Verwendung der Chelate von Seltenen Erden und der Chelate von anderen Ionen durch Vergleichen der Emissionsspektren mit schmaler Bande für die Chelate von Seltenen Erden und mit breiter Bande für die Chelate anderer Ionen authentifiziert wird.
6. Fiduziarische Dokumente und Flüssigkeiten, die eine Authentifikation erfordern, dadurch gekennzeichnet, daß sie durch ein Markierungsverfahren entsprechend einem der vorhergehenden Ansprüche authentifiziert sind.
7. Fiduziarische Dokumente und Flüssigkeiten, die durch ein Markierungsverfahren nach einem der vorhergehenden Ansprüche authentifizierbar sind, dadurch gekennzeichnet, daß der erste, der zweite und der dritte Zeitpunkt ihrer Markierung zu irgendeinem Moment während ihrer Herstellung oder ihrer Verwendung stattfinden.
8. Handinstrument zur Durchführung des Markierungsverfahrens des Anspruchs 1, dadurch gekennzeichnet, daß es einen mit einer Lösung entsprechend einem der drei Markierungszeitpunkte gefüllten Behälter umfaßt, der mit einem Applikatoransatz zum kontrollierten Ausgießen kommuniziert.
9. Instrument nach Anspruch 8, dadurch gekennzeichnet, daß es durch einen Filzstift gebildet ist.
EP86401696A 1985-08-08 1986-07-29 Sicherungsmarkierverfahren und Sicherungsmarkierungen aufweisende Materialien Expired - Lifetime EP0211754B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86401696T ATE63500T1 (de) 1985-08-08 1986-07-29 Sicherungsmarkierverfahren und sicherungsmarkierungen aufweisende materialien.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8512172 1985-08-08
FR8512172A FR2585987B1 (fr) 1985-08-08 1985-08-08 Procede de marquage de securite, matieres pourvues de marques de securite

Publications (3)

Publication Number Publication Date
EP0211754A2 EP0211754A2 (de) 1987-02-25
EP0211754A3 EP0211754A3 (en) 1988-01-13
EP0211754B1 true EP0211754B1 (de) 1991-05-15

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP86401696A Expired - Lifetime EP0211754B1 (de) 1985-08-08 1986-07-29 Sicherungsmarkierverfahren und Sicherungsmarkierungen aufweisende Materialien

Country Status (5)

Country Link
US (1) US4736425A (de)
EP (1) EP0211754B1 (de)
AT (1) ATE63500T1 (de)
DE (1) DE3679252D1 (de)
FR (1) FR2585987B1 (de)

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Also Published As

Publication number Publication date
EP0211754A3 (en) 1988-01-13
US4736425A (en) 1988-04-05
FR2585987A1 (fr) 1987-02-13
ATE63500T1 (de) 1991-06-15
DE3679252D1 (de) 1991-06-20
EP0211754A2 (de) 1987-02-25
FR2585987B1 (fr) 1989-02-03

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