FR2427426A1 - Papier reagissant a la falsification par agents chimiques - Google Patents

Papier reagissant a la falsification par agents chimiques

Info

Publication number
FR2427426A1
FR2427426A1 FR7819244A FR7819244A FR2427426A1 FR 2427426 A1 FR2427426 A1 FR 2427426A1 FR 7819244 A FR7819244 A FR 7819244A FR 7819244 A FR7819244 A FR 7819244A FR 2427426 A1 FR2427426 A1 FR 2427426A1
Authority
FR
France
Prior art keywords
nitrophenol
colours
violet
yellow
range
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.)
Granted
Application number
FR7819244A
Other languages
English (en)
Other versions
FR2427426B1 (fr
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.)
VOIRON PAPETERIES
Original Assignee
VOIRON PAPETERIES
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 VOIRON PAPETERIES filed Critical VOIRON PAPETERIES
Priority to FR7819244A priority Critical patent/FR2427426A1/fr
Priority to DE2843309A priority patent/DE2843309B2/de
Priority to CH1067778A priority patent/CH634363A5/fr
Priority to NLAANVRAGE7810322,A priority patent/NL186590C/xx
Priority to IT28723/78A priority patent/IT1174437B/it
Publication of FR2427426A1 publication Critical patent/FR2427426A1/fr
Application granted granted Critical
Publication of FR2427426B1 publication Critical patent/FR2427426B1/fr
Granted 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
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • 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

  • Color Printing (AREA)

Abstract

Ce papier réagissant à la falsification par agents chimiques du type collé sur les deux faces, comporte dans sa masse et/ou à sa surface, un produit réactif en milieu basique choisi parmi les dérivés du phénol nitrés dans au moins une des positions 2, 4, 5 ou 6 du cycle phénolique.
FR7819244A 1977-10-14 1978-06-02 Papier reagissant a la falsification par agents chimiques Granted FR2427426A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR7819244A FR2427426A1 (fr) 1978-06-02 1978-06-02 Papier reagissant a la falsification par agents chimiques
DE2843309A DE2843309B2 (de) 1977-10-14 1978-10-04 Fälschungssicheres Papier
CH1067778A CH634363A5 (en) 1977-10-14 1978-10-13 Paper reacting to tampering using chemical agents
NLAANVRAGE7810322,A NL186590C (nl) 1977-10-14 1978-10-13 Veiligheidspapier met vervalsingsindicator.
IT28723/78A IT1174437B (it) 1977-10-14 1978-10-13 Carta reagente alla falsipicacione mediante agenti chimici

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7819244A FR2427426A1 (fr) 1978-06-02 1978-06-02 Papier reagissant a la falsification par agents chimiques

Publications (2)

Publication Number Publication Date
FR2427426A1 true FR2427426A1 (fr) 1979-12-28
FR2427426B1 FR2427426B1 (fr) 1980-11-07

Family

ID=9210063

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7819244A Granted FR2427426A1 (fr) 1977-10-14 1978-06-02 Papier reagissant a la falsification par agents chimiques

Country Status (1)

Country Link
FR (1) FR2427426A1 (fr)

Also Published As

Publication number Publication date
FR2427426B1 (fr) 1980-11-07

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