PT84736B - Processo para a preparacao de papel de seguranca infalsificavel e/ou autentificavel por termocromia contendo cristal violeta lactona - Google Patents

Processo para a preparacao de papel de seguranca infalsificavel e/ou autentificavel por termocromia contendo cristal violeta lactona

Info

Publication number
PT84736B
PT84736B PT8473687A PT8473687A PT84736B PT 84736 B PT84736 B PT 84736B PT 8473687 A PT8473687 A PT 8473687A PT 8473687 A PT8473687 A PT 8473687A PT 84736 B PT84736 B PT 84736B
Authority
PT
Portugal
Prior art keywords
thermocromy
inferasible
authentifible
preparation
security paper
Prior art date
Application number
PT8473687A
Other languages
English (en)
Other versions
PT84736A (fr
Inventor
Andre Honnorat
Claude Riou
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
Publication of PT84736A publication Critical patent/PT84736A/pt
Publication of PT84736B publication Critical patent/PT84736B/pt

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)
  • Credit Cards Or The Like (AREA)
  • Printing Methods (AREA)
  • Paper (AREA)
  • Color Printing (AREA)
PT8473687A 1986-04-24 1987-04-22 Processo para a preparacao de papel de seguranca infalsificavel e/ou autentificavel por termocromia contendo cristal violeta lactona PT84736B (pt)

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 (2)

Publication Number Publication Date
PT84736A PT84736A (fr) 1987-05-01
PT84736B true PT84736B (pt) 1989-12-29

Family

ID=9334698

Family Applications (1)

Application Number Title Priority Date Filing Date
PT8473687A PT84736B (pt) 1986-04-24 1987-04-22 Processo para a preparacao de papel de seguranca infalsificavel e/ou autentificavel por termocromia contendo cristal violeta lactona

Country Status (5)

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

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
AU6697198A (en) * 1997-03-14 1998-10-12 Georgia-Pacific Corporation Security paper
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
EP0243285A1 (fr) 1987-10-28
PT84736A (fr) 1987-05-01
FR2597895B1 (fr) 1989-07-28
ES2012811B3 (es) 1990-04-16
FR2597895A1 (fr) 1987-10-30
EP0243285B1 (fr) 1989-08-16
DE3760455D1 (en) 1989-09-21

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Legal Events

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Effective date: 20001231