DE3760455D1 - Security paper made tamper-proof and/or authenticatable by way of thermochromism, and process for its preparation - Google Patents

Security paper made tamper-proof and/or authenticatable by way of thermochromism, and process for its preparation

Info

Publication number
DE3760455D1
DE3760455D1 DE8787420103T DE3760455T DE3760455D1 DE 3760455 D1 DE3760455 D1 DE 3760455D1 DE 8787420103 T DE8787420103 T DE 8787420103T DE 3760455 T DE3760455 T DE 3760455T DE 3760455 D1 DE3760455 D1 DE 3760455D1
Authority
DE
Germany
Prior art keywords
authenticatable
thermochromism
proof
preparation
way
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
DE8787420103T
Other languages
German (de)
English (en)
Inventor
Andre Honnorat
Claude Riou
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.)
Aussedat Rey SA
Original Assignee
Aussedat Rey SA
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 Aussedat Rey SA filed Critical Aussedat Rey SA
Application granted granted Critical
Publication of DE3760455D1 publication Critical patent/DE3760455D1/de
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
    • 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

Landscapes

  • Business, Economics & Management (AREA)
  • Accounting & Taxation (AREA)
  • Finance (AREA)
  • Heat Sensitive Colour Forming Recording (AREA)
  • Paper (AREA)
  • Credit Cards Or The Like (AREA)
  • Printing Methods (AREA)
  • Color Printing (AREA)
DE8787420103T 1986-04-24 1987-04-21 Security paper made tamper-proof and/or authenticatable by way of thermochromism, and process for its preparation Expired DE3760455D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8606144A FR2597895B1 (fr) 1986-04-24 1986-04-24 Papier de securite infalsifiable et/ou authentifiable par thermochromie et son procede de preparation

Publications (1)

Publication Number Publication Date
DE3760455D1 true DE3760455D1 (en) 1989-09-21

Family

ID=9334698

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787420103T Expired DE3760455D1 (en) 1986-04-24 1987-04-21 Security paper made tamper-proof and/or authenticatable by way of thermochromism, and process for its preparation

Country Status (5)

Country Link
EP (1) EP0243285B1 (fr)
DE (1) DE3760455D1 (fr)
ES (1) ES2012811B3 (fr)
FR (1) FR2597895B1 (fr)
PT (1) PT84736B (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2274428B (en) * 1993-01-20 1996-08-21 Portals Security threads
DE19510974A1 (de) * 1995-03-24 1996-09-26 Drescher Geschaeftsdrucke Einlagiges Papiererzeugnis
WO1998041688A1 (fr) * 1997-03-14 1998-09-24 Georgia-Pacific Corporation, Inc. Papier de securite
DE102009017444A1 (de) 2009-04-15 2010-10-21 Sension, Biologische Detektions- Und Schnelltestsysteme Gmbh Wärmeempfindliches Aufzeichnungsmaterial mit Sicherheitsmerkmal

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1228972B (de) * 1959-06-06 1966-11-17 Dr Karlheinz Koenig Echtheitskennzeichnung von Wertpapieren
DE2518871A1 (de) * 1974-04-26 1975-11-13 Portals Ltd Sicherheitsdokumente
GB1507454A (en) * 1975-06-19 1978-04-12 Wiggins Teape Ltd Security paper

Also Published As

Publication number Publication date
FR2597895A1 (fr) 1987-10-30
EP0243285B1 (fr) 1989-08-16
ES2012811B3 (es) 1990-04-16
FR2597895B1 (fr) 1989-07-28
PT84736A (fr) 1987-05-01
EP0243285A1 (fr) 1987-10-28
PT84736B (pt) 1989-12-29

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee