FR2410702A1 - Papier de securite renfermant un indicateur de produit effaceur - Google Patents

Papier de securite renfermant un indicateur de produit effaceur

Info

Publication number
FR2410702A1
FR2410702A1 FR7834149A FR7834149A FR2410702A1 FR 2410702 A1 FR2410702 A1 FR 2410702A1 FR 7834149 A FR7834149 A FR 7834149A FR 7834149 A FR7834149 A FR 7834149A FR 2410702 A1 FR2410702 A1 FR 2410702A1
Authority
FR
France
Prior art keywords
paper
cpd
colourless
documents
coloured
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.)
Withdrawn
Application number
FR7834149A
Other languages
English (en)
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.)
Tullis Russell and Co Ltd
Original Assignee
Tullis Russell and Co 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 Tullis Russell and Co Ltd filed Critical Tullis Russell and Co Ltd
Publication of FR2410702A1 publication Critical patent/FR2410702A1/fr
Withdrawn legal-status Critical Current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
    • D21H21/46—Elements suited for chemical verification or impeding chemical tampering, e.g. by use of eradicators
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
    • G07D7/00—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency
    • G07D7/14—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency using chemical means

Abstract

PAPIER DE SECURITE, RENFERMANT UN INDICATEUR DE PRODUIT EFFACEUR. CE PAPIER DE SECURITE RENFERME UN INDICATEUR D'EFFACEUR COMPRENANT UN COMPOSE QUI EST SENSIBLEMENT INCOLORE AU PH DOMINANT DANS LE PAPIER MAIS QUI PEUT ETRE VU SOUS UNE FORME COLOREE A UN PH SUPERIEUR ET DONT LA COULEUR EST REVERSIBLE AVEC LE PH. UTILISATION DE CE PAPIER PAR EXEMPLE POUR LES BILLETS D'AVIONS, LES CERTIFICATS D'ACTIONS OU LES CHEQUES BANCAIRES.
FR7834149A 1977-12-05 1978-12-04 Papier de securite renfermant un indicateur de produit effaceur Withdrawn FR2410702A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5056977 1977-12-05

Publications (1)

Publication Number Publication Date
FR2410702A1 true FR2410702A1 (fr) 1979-06-29

Family

ID=10456411

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7834149A Withdrawn FR2410702A1 (fr) 1977-12-05 1978-12-04 Papier de securite renfermant un indicateur de produit effaceur

Country Status (1)

Country Link
FR (1) FR2410702A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0056157A1 (fr) * 1981-01-08 1982-07-21 Bayer Ag Utilisation de composés 7-hydroxy-coumarine pour l'imprégnation du papier
US5264081A (en) * 1989-06-01 1993-11-23 Societe Anonyme: Aussedat-Rey Forgery-proof safety paper
US5718456A (en) * 1994-01-26 1998-02-17 Michael F. Detwiler, Jr. Method for verifying authenticity of sales record
US6783991B1 (en) * 2002-02-06 2004-08-31 The Standard Register Company Reversible and reusable authentication system for secure documents

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2445586A (en) * 1943-01-14 1948-07-20 George La Monte & Son Moisture-sensitive paper and the manufacture thereof
DE856842C (de) * 1951-02-25 1954-06-21 Feldmuehle Papier Und Zellstof Verfahren zur Herstellung eines Sicherheitspapiers
FR2365656A1 (fr) * 1976-05-25 1978-04-21 Arjomari Prioux Papier de securite
FR2399505A1 (fr) * 1976-05-25 1979-03-02 Arjomari Prioux Papier de securite
FR2402739A2 (fr) * 1976-05-25 1979-04-06 Arjomari Prioux Papier de securite

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2445586A (en) * 1943-01-14 1948-07-20 George La Monte & Son Moisture-sensitive paper and the manufacture thereof
DE856842C (de) * 1951-02-25 1954-06-21 Feldmuehle Papier Und Zellstof Verfahren zur Herstellung eines Sicherheitspapiers
FR2365656A1 (fr) * 1976-05-25 1978-04-21 Arjomari Prioux Papier de securite
FR2399505A1 (fr) * 1976-05-25 1979-03-02 Arjomari Prioux Papier de securite
FR2402739A2 (fr) * 1976-05-25 1979-04-06 Arjomari Prioux Papier de securite

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0056157A1 (fr) * 1981-01-08 1982-07-21 Bayer Ag Utilisation de composés 7-hydroxy-coumarine pour l'imprégnation du papier
US5264081A (en) * 1989-06-01 1993-11-23 Societe Anonyme: Aussedat-Rey Forgery-proof safety paper
US5718456A (en) * 1994-01-26 1998-02-17 Michael F. Detwiler, Jr. Method for verifying authenticity of sales record
US6783991B1 (en) * 2002-02-06 2004-08-31 The Standard Register Company Reversible and reusable authentication system for secure documents

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Legal Events

Date Code Title Description
ST Notification of lapse