EP0030507B1 - Papier de sécurité faisant application d'un moyen de marquage et de reconnaissance - Google Patents

Papier de sécurité faisant application d'un moyen de marquage et de reconnaissance Download PDF

Info

Publication number
EP0030507B1
EP0030507B1 EP80401749A EP80401749A EP0030507B1 EP 0030507 B1 EP0030507 B1 EP 0030507B1 EP 80401749 A EP80401749 A EP 80401749A EP 80401749 A EP80401749 A EP 80401749A EP 0030507 B1 EP0030507 B1 EP 0030507B1
Authority
EP
European Patent Office
Prior art keywords
security paper
magnetic material
materials
paper according
transition
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
Application number
EP80401749A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0030507A1 (fr
Inventor
Daniel Boursier
Jacques Terliska
Robert Fruchart
Jean-Pierre Senateur
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.)
Arjomari Prioux SA
Bpifrance Financement SA
Original Assignee
Arjomari Prioux SA
Agence National de Valorisation de la Recherche ANVAR
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=9232649&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0030507(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Arjomari Prioux SA, Agence National de Valorisation de la Recherche ANVAR filed Critical Arjomari Prioux SA
Publication of EP0030507A1 publication Critical patent/EP0030507A1/fr
Application granted granted Critical
Publication of EP0030507B1 publication Critical patent/EP0030507B1/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • D21H21/48—Elements suited for physical verification, e.g. by irradiation

Definitions

  • the present invention relates, as a new industrial product, to a security paper comprising, as a security means, a magnetic product whose specific properties are easily detectable.
  • These first order transformations are, for example, the antiferro-ferromagnetic, ferromagnetic-antiferromagnetic, ferromagnetic-paramagnetic transitions.
  • the papers containing these materials can be printed and then laminated without the means of recognition being able to be called into question.
  • the magnetic material is chosen from the following materials: FeRh. MnAs, Mn 3 SbN, Mn 3 SnC, and (Mn, _xCrX) Z Sb.
  • FeRh. MnAs, Mn 3 SbN, Mn 3 SnC, and (Mn, _xCrX) Z Sb are of the first order transition type, and are particularly advantageous for applications in security paper, since it is known that their very small number and the specific and exceptional nature of their property makes it impossible to use them. substitution of a conventional material.
  • the varnish is deposited on a polyester film (20 microns thick) by a heliographic printing process, the quantity of varnish deposited is of the order of 5 to 10 grams per m2.

Landscapes

  • Paper (AREA)
  • Credit Cards Or The Like (AREA)
  • Hard Magnetic Materials (AREA)
  • Paints Or Removers (AREA)
  • Printing Methods (AREA)
EP80401749A 1979-12-11 1980-12-08 Papier de sécurité faisant application d'un moyen de marquage et de reconnaissance Expired EP0030507B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7930376 1979-12-11
FR7930376A FR2471443A1 (fr) 1979-12-11 1979-12-11 Moyen de marquage et papier de securite faisant application de ce moyen

Publications (2)

Publication Number Publication Date
EP0030507A1 EP0030507A1 (fr) 1981-06-17
EP0030507B1 true EP0030507B1 (fr) 1984-07-18

Family

ID=9232649

Family Applications (1)

Application Number Title Priority Date Filing Date
EP80401749A Expired EP0030507B1 (fr) 1979-12-11 1980-12-08 Papier de sécurité faisant application d'un moyen de marquage et de reconnaissance

Country Status (5)

Country Link
EP (1) EP0030507B1 (OSRAM)
JP (1) JPS5698195A (OSRAM)
BR (1) BR8008063A (OSRAM)
DE (1) DE3068624D1 (OSRAM)
FR (1) FR2471443A1 (OSRAM)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12209190B2 (en) 2017-07-25 2025-01-28 Magnomer, Inc. Methods and compositions for magnetizable plastics

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2016702A6 (es) * 1989-06-27 1990-11-16 Nacional Moneda Timbre Papel de seguridad y su procedimiento de fabricacion.
EP0463647A1 (en) * 1990-06-25 1992-01-02 Fabrica Nacional De Moneda Y Timbre Security paper and its manufacture procedure
JP2718624B2 (ja) * 1993-12-02 1998-02-25 日本発条株式会社 真正さがチェックされる被検出物とその製造方法
FR2771111B1 (fr) * 1997-11-20 1999-12-17 Arjo Wiggins Sa Document de securite comportant des particules magnetiques
WO2006011590A1 (ja) * 2004-07-30 2006-02-02 Riken 熱膨張抑制剤、ゼロ熱膨張材料、負の熱膨張材料、熱膨張抑制方法および熱膨張抑制剤の製造方法
EP3918010A4 (en) 2019-01-30 2022-10-26 Magnomer, Inc. PROCESSES AND COMPOSITIONS FOR MAGNETIZABLE PLASTICS

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12209190B2 (en) 2017-07-25 2025-01-28 Magnomer, Inc. Methods and compositions for magnetizable plastics

Also Published As

Publication number Publication date
BR8008063A (pt) 1981-06-30
EP0030507A1 (fr) 1981-06-17
DE3068624D1 (en) 1984-08-23
FR2471443B1 (OSRAM) 1984-03-09
JPS5698195A (en) 1981-08-07
FR2471443A1 (fr) 1981-06-19

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