DE2518871A1 - Sicherheitsdokumente - Google Patents

Sicherheitsdokumente

Info

Publication number
DE2518871A1
DE2518871A1 DE19752518871 DE2518871A DE2518871A1 DE 2518871 A1 DE2518871 A1 DE 2518871A1 DE 19752518871 DE19752518871 DE 19752518871 DE 2518871 A DE2518871 A DE 2518871A DE 2518871 A1 DE2518871 A1 DE 2518871A1
Authority
DE
Germany
Prior art keywords
substance
acid
color
security document
alkyl
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.)
Pending
Application number
DE19752518871
Other languages
German (de)
English (en)
Inventor
Arthur Philip Conway
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.)
Portals Ltd
Original Assignee
Portals Ltd
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 Portals Ltd filed Critical Portals Ltd
Publication of DE2518871A1 publication Critical patent/DE2518871A1/de
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
    • G09F3/02—Forms or constructions
    • G09F3/0291—Labels or tickets undergoing a change under particular conditions, e.g. heat, radiation, passage of time
    • 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
    • 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

Landscapes

  • Business, Economics & Management (AREA)
  • Accounting & Taxation (AREA)
  • Finance (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)
DE19752518871 1974-04-26 1975-04-28 Sicherheitsdokumente Pending DE2518871A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1852674 1974-04-26

Publications (1)

Publication Number Publication Date
DE2518871A1 true DE2518871A1 (de) 1975-11-13

Family

ID=10113949

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19752518871 Pending DE2518871A1 (de) 1974-04-26 1975-04-28 Sicherheitsdokumente

Country Status (2)

Country Link
DE (1) DE2518871A1 (fr)
FR (1) FR2279570A1 (fr)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0090130A1 (fr) * 1982-03-25 1983-10-05 Billett-Automation Dipl.-Ing. Klaus Schwarz OHG Procédé de contrôle de l'authenticité de coupures de papiers de valeur et appareil distributeur pour la mise en oeuvre du procédé
EP0124360A2 (fr) * 1983-04-28 1984-11-07 Kureha Kagaku Kogyo Kabushiki Kaisha Impression d'étiquettes de codage en forme de barres
EP0174868A2 (fr) * 1984-09-14 1986-03-19 Kureha Kagaku Kogyo Kabushiki Kaisha Jeu de matériel d'imprimerie pour préparer des étiquettes de code à barres
WO1991000390A1 (fr) * 1989-07-05 1991-01-10 Nocopi International Ltd. Procede et systeme de protection de documents
DE4443660C1 (de) * 1994-12-08 1995-10-26 Feldmuehle Ag Stora Aufzeichnungsbogen eines Durchschreibesatzes
DE19501289A1 (de) * 1995-01-18 1996-07-25 Feldmuehle Ag Stora Wärmeempfindliches Aufzeichnungsmaterial und seine Verwendung
WO2000016986A1 (fr) * 1998-09-19 2000-03-30 Mitsubishi Hitec Paper Flensburg Gmbh Materiaux d'impression thermosensibles et procede de verification d'authenticite
DE19936030A1 (de) * 1999-07-30 2001-02-08 Mitsubishi Hitec Paper Flensbu Aufzeichnungspapier mit einer Kombination mehrerer Sicherheitsmerkmale
DE10020873A1 (de) * 2000-04-28 2001-11-08 Mitsubishi Hitec Paper Flensbu Aufzeichnungsmaterialien und Druckfarben mit temporär wirkendem Sicherheitsmerkmal
CN106103121A (zh) * 2014-03-18 2016-11-09 亚普蒂恩(B.V.I.)公司 用于安全应用的加密光学标记物
US10282480B2 (en) 2013-10-07 2019-05-07 Apdn (B.V.I) Multimode image and spectral reader
US10745825B2 (en) 2014-03-18 2020-08-18 Apdn (B.V.I.) Inc. Encrypted optical markers for security applications
US10920274B2 (en) 2017-02-21 2021-02-16 Apdn (B.V.I.) Inc. Nucleic acid coated submicron particles for authentication

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2597895B1 (fr) * 1986-04-24 1989-07-28 Aussedat Rey Papier de securite infalsifiable et/ou authentifiable par thermochromie et son procede de preparation
SE8903823D0 (sv) * 1989-11-14 1989-11-14 Tumba Bruk Ab Lottpapper, foerfarande foer framstaellning av lottpapper samt dess anvaendning vid tillverkning av lottprodukter
FR2857990B1 (fr) 2003-07-25 2007-04-06 Oreal Dispositif de conditionnement cosmetique authentifiable
DE602004008079T2 (de) 2003-07-25 2008-04-30 L'oreal Authentifizierbare Kosmetikverpackungsvorrichtung

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0090130A1 (fr) * 1982-03-25 1983-10-05 Billett-Automation Dipl.-Ing. Klaus Schwarz OHG Procédé de contrôle de l'authenticité de coupures de papiers de valeur et appareil distributeur pour la mise en oeuvre du procédé
EP0124360A2 (fr) * 1983-04-28 1984-11-07 Kureha Kagaku Kogyo Kabushiki Kaisha Impression d'étiquettes de codage en forme de barres
EP0124360A3 (en) * 1983-04-28 1985-01-16 Kureha Kagaku Kogyo Kabushiki Kaisha Printing bar-code labels
EP0174868A2 (fr) * 1984-09-14 1986-03-19 Kureha Kagaku Kogyo Kabushiki Kaisha Jeu de matériel d'imprimerie pour préparer des étiquettes de code à barres
EP0174868A3 (en) * 1984-09-14 1987-03-04 Kureha Kagaku Kogyo Kabushiki Kaisha Printing material set for preparing bar-code labels
WO1991000390A1 (fr) * 1989-07-05 1991-01-10 Nocopi International Ltd. Procede et systeme de protection de documents
US5290068A (en) * 1989-07-05 1994-03-01 Nocopi International Ltd. Document security method and system
AU690783B2 (en) * 1994-12-08 1998-04-30 Stora Publication Paper Ag Imprint sheets of a self-copy set
WO1996017729A1 (fr) * 1994-12-08 1996-06-13 Stora Publication Paper Ag Feuille d'ecriture d'une liasse carbonee
DE4443660C1 (de) * 1994-12-08 1995-10-26 Feldmuehle Ag Stora Aufzeichnungsbogen eines Durchschreibesatzes
DE19501289A1 (de) * 1995-01-18 1996-07-25 Feldmuehle Ag Stora Wärmeempfindliches Aufzeichnungsmaterial und seine Verwendung
US6632773B1 (en) 1998-09-19 2003-10-14 Mitsubishi Hitec Paper Flensburg Gmbh Heat-sensitive recording materials and method for authenticity checking
WO2000016986A1 (fr) * 1998-09-19 2000-03-30 Mitsubishi Hitec Paper Flensburg Gmbh Materiaux d'impression thermosensibles et procede de verification d'authenticite
DE19936030A1 (de) * 1999-07-30 2001-02-08 Mitsubishi Hitec Paper Flensbu Aufzeichnungspapier mit einer Kombination mehrerer Sicherheitsmerkmale
DE10020873A1 (de) * 2000-04-28 2001-11-08 Mitsubishi Hitec Paper Flensbu Aufzeichnungsmaterialien und Druckfarben mit temporär wirkendem Sicherheitsmerkmal
US10282480B2 (en) 2013-10-07 2019-05-07 Apdn (B.V.I) Multimode image and spectral reader
CN106103121A (zh) * 2014-03-18 2016-11-09 亚普蒂恩(B.V.I.)公司 用于安全应用的加密光学标记物
EP3119610A4 (fr) * 2014-03-18 2017-12-13 APDN (B.V.I.) Inc. Marqueurs optiques cryptés pour applications de sécurité
US10047282B2 (en) 2014-03-18 2018-08-14 Apdn (B.V.I.) Inc. Encrypted optical markers for security applications
US10745825B2 (en) 2014-03-18 2020-08-18 Apdn (B.V.I.) Inc. Encrypted optical markers for security applications
US10920274B2 (en) 2017-02-21 2021-02-16 Apdn (B.V.I.) Inc. Nucleic acid coated submicron particles for authentication

Also Published As

Publication number Publication date
FR2279570B1 (fr) 1979-04-13
FR2279570A1 (fr) 1976-02-20

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Legal Events

Date Code Title Description
OHJ Non-payment of the annual fee