FR2406027A1 - Papier reagissant a la falsification par agents chimiques et son procede de fabrication - Google Patents

Papier reagissant a la falsification par agents chimiques et son procede de fabrication

Info

Publication number
FR2406027A1
FR2406027A1 FR7731671A FR7731671A FR2406027A1 FR 2406027 A1 FR2406027 A1 FR 2406027A1 FR 7731671 A FR7731671 A FR 7731671A FR 7731671 A FR7731671 A FR 7731671A FR 2406027 A1 FR2406027 A1 FR 2406027A1
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
FR7731671A
Other languages
English (en)
Other versions
FR2406027B1 (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 FR7731671A priority Critical patent/FR2406027A1/fr
Priority to BE190178A priority patent/BE870110A/fr
Priority to AT665778A priority patent/AT370150B/de
Priority to ES473785A priority patent/ES473785A1/es
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 FR2406027A1 publication Critical patent/FR2406027A1/fr
Application granted granted Critical
Publication of FR2406027B1 publication Critical patent/FR2406027B1/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
    • 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
    • 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

Landscapes

  • Color Printing (AREA)

Abstract

Ce papier réagissant à la falsification par agents chimiques, du type collé sur les deux faces, comprend : - un colorant azoique, réactif aux solvants dans une proportion de 0,01 à 0,05 %; - un dérivé de phtalocyanine, réactif aux agents oxydants dans une proportion de 0,1 à 0,4 %; - un dérivé nitré du phénol, réactif en milieu basique dans une proportion de 0,2 à 0,8 % ; - un dérivé de thiazol, réactif en milieu acide dans une proportion de 0,1 à 0,3 %, les pourcentages étant exprimés en poids.
FR7731671A 1977-10-14 1977-10-14 Papier reagissant a la falsification par agents chimiques et son procede de fabrication Granted FR2406027A1 (fr)

Priority Applications (8)

Application Number Priority Date Filing Date Title
FR7731671A FR2406027A1 (fr) 1977-10-14 1977-10-14 Papier reagissant a la falsification par agents chimiques et son procede de fabrication
BE190178A BE870110A (fr) 1977-10-14 1978-08-31 Papier reagissant a la falsification par agent chimique.
AT665778A AT370150B (de) 1977-10-14 1978-09-14 Faelschungssicheres papier
ES473785A ES473785A1 (es) 1977-10-14 1978-09-29 Procedimiento para la obtencion de un papel que reacciona a la falsificacion por agentes quimicos.
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
FR7731671A FR2406027A1 (fr) 1977-10-14 1977-10-14 Papier reagissant a la falsification par agents chimiques et son procede de fabrication

Publications (2)

Publication Number Publication Date
FR2406027A1 true FR2406027A1 (fr) 1979-05-11
FR2406027B1 FR2406027B1 (fr) 1982-05-21

Family

ID=9196761

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7731671A Granted FR2406027A1 (fr) 1977-10-14 1977-10-14 Papier reagissant a la falsification par agents chimiques et son procede de fabrication

Country Status (2)

Country Link
BE (1) BE870110A (fr)
FR (1) FR2406027A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2539533A1 (fr) * 1983-01-17 1984-07-20 Aussedat Rey Procede et revelateur pour identifier un papier de securite, un papier copiant ou un papier thermoreactif, ainsi qu'instrument manuel pour leur mise en oeuvre
FR2576332A1 (fr) * 1985-01-21 1986-07-25 Aussedat Rey Papier de securite infalsifiable, procede pour rendre infalsifiable un papier et composition aqueuse ou organique utile, notamment, pour rendre un papier infalsifiable
DE3829002A1 (de) * 1987-09-03 1989-03-16 Arjomari Prioux Traeger fuer druck und schrift, der durch waerme authentifizierbar und durch chemische mittel nicht faelschbar ist
US5718456A (en) * 1994-01-26 1998-02-17 Michael F. Detwiler, Jr. Method for verifying authenticity of sales record

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2539533A1 (fr) * 1983-01-17 1984-07-20 Aussedat Rey Procede et revelateur pour identifier un papier de securite, un papier copiant ou un papier thermoreactif, ainsi qu'instrument manuel pour leur mise en oeuvre
FR2576332A1 (fr) * 1985-01-21 1986-07-25 Aussedat Rey Papier de securite infalsifiable, procede pour rendre infalsifiable un papier et composition aqueuse ou organique utile, notamment, pour rendre un papier infalsifiable
EP0190087A1 (fr) * 1985-01-21 1986-08-06 Aussedat-Rey Papier de sécurité infalsifiable, procédé pour rendre infalsifiable un papier et composition aqueuse ou organique utile, notamment pour rendre un papier infalsifiable
DE3829002A1 (de) * 1987-09-03 1989-03-16 Arjomari Prioux Traeger fuer druck und schrift, der durch waerme authentifizierbar und durch chemische mittel nicht faelschbar ist
US5718456A (en) * 1994-01-26 1998-02-17 Michael F. Detwiler, Jr. Method for verifying authenticity of sales record

Also Published As

Publication number Publication date
FR2406027B1 (fr) 1982-05-21
BE870110A (fr) 1978-12-18

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