FR2669948B1 - SECURITY DOCUMENT COMPRISING A SECURITY ELEMENT HAVING PHOTOCHROMIC PROPERTIES. - Google Patents

SECURITY DOCUMENT COMPRISING A SECURITY ELEMENT HAVING PHOTOCHROMIC PROPERTIES.

Info

Publication number
FR2669948B1
FR2669948B1 FR9014947A FR9014947A FR2669948B1 FR 2669948 B1 FR2669948 B1 FR 2669948B1 FR 9014947 A FR9014947 A FR 9014947A FR 9014947 A FR9014947 A FR 9014947A FR 2669948 B1 FR2669948 B1 FR 2669948B1
Authority
FR
France
Prior art keywords
security
photochromic properties
document
security element
security document
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 - Fee Related
Application number
FR9014947A
Other languages
French (fr)
Other versions
FR2669948A1 (en
Inventor
Camus Michel
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.)
Arjomari Europe
Original Assignee
Arjomari Europe
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 Arjomari Europe filed Critical Arjomari Europe
Priority to FR9014947A priority Critical patent/FR2669948B1/en
Priority to EP91403247A priority patent/EP0488902A1/en
Publication of FR2669948A1 publication Critical patent/FR2669948A1/en
Application granted granted Critical
Publication of FR2669948B1 publication Critical patent/FR2669948B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • D21H21/42—Ribbons or strips
FR9014947A 1990-11-29 1990-11-29 SECURITY DOCUMENT COMPRISING A SECURITY ELEMENT HAVING PHOTOCHROMIC PROPERTIES. Expired - Fee Related FR2669948B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR9014947A FR2669948B1 (en) 1990-11-29 1990-11-29 SECURITY DOCUMENT COMPRISING A SECURITY ELEMENT HAVING PHOTOCHROMIC PROPERTIES.
EP91403247A EP0488902A1 (en) 1990-11-29 1991-11-29 Security document including a security element having photochromic properties

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9014947A FR2669948B1 (en) 1990-11-29 1990-11-29 SECURITY DOCUMENT COMPRISING A SECURITY ELEMENT HAVING PHOTOCHROMIC PROPERTIES.

Publications (2)

Publication Number Publication Date
FR2669948A1 FR2669948A1 (en) 1992-06-05
FR2669948B1 true FR2669948B1 (en) 1993-01-22

Family

ID=9402728

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9014947A Expired - Fee Related FR2669948B1 (en) 1990-11-29 1990-11-29 SECURITY DOCUMENT COMPRISING A SECURITY ELEMENT HAVING PHOTOCHROMIC PROPERTIES.

Country Status (2)

Country Link
EP (1) EP0488902A1 (en)
FR (1) FR2669948B1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0611874D0 (en) 2006-06-15 2006-07-26 Dw Spinks Embossing Ltd Planchette for use in counterfeit protection
DE102011010127A1 (en) 2011-02-02 2012-08-02 Giesecke & Devrient Gmbh Authenticity assurance of value documents by means of photochromic dyes
CN115262284A (en) * 2022-07-27 2022-11-01 华南理工大学 Intelligent waterproof photochromic paper and preparation method thereof

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61179399A (en) * 1985-02-05 1986-08-12 大蔵省印刷局長 Papermaking fiber having photochromic substance adhered thereto
GB8802590D0 (en) * 1988-02-05 1988-03-02 Courtaulds Plc Fibre

Also Published As

Publication number Publication date
EP0488902A1 (en) 1992-06-03
FR2669948A1 (en) 1992-06-05

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Legal Events

Date Code Title Description
CD Change of name or company name
TP Transmission of property
CD Change of name or company name
ST Notification of lapse