IT1174437B - Carta reagente alla falsipicacione mediante agenti chimici - Google Patents

Carta reagente alla falsipicacione mediante agenti chimici

Info

Publication number
IT1174437B
IT1174437B IT28723/78A IT2872378A IT1174437B IT 1174437 B IT1174437 B IT 1174437B IT 28723/78 A IT28723/78 A IT 28723/78A IT 2872378 A IT2872378 A IT 2872378A IT 1174437 B IT1174437 B IT 1174437B
Authority
IT
Italy
Prior art keywords
falsipicacion
chemical agents
reagent paper
reagent
paper
Prior art date
Application number
IT28723/78A
Other languages
English (en)
Italian (it)
Other versions
IT7828723A0 (it
Original Assignee
Papeteries De Voiron Et Des Ge
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
Priority claimed from FR7731671A external-priority patent/FR2406027A1/fr
Priority claimed from FR7819244A external-priority patent/FR2427426A1/fr
Priority claimed from FR7823652A external-priority patent/FR2432576A2/fr
Application filed by Papeteries De Voiron Et Des Ge filed Critical Papeteries De Voiron Et Des Ge
Publication of IT7828723A0 publication Critical patent/IT7828723A0/it
Application granted granted Critical
Publication of IT1174437B publication Critical patent/IT1174437B/it

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
IT28723/78A 1977-10-14 1978-10-13 Carta reagente alla falsipicacione mediante agenti chimici IT1174437B (it)

Applications Claiming Priority (3)

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
FR7819244A FR2427426A1 (fr) 1978-06-02 1978-06-02 Papier reagissant a la falsification par agents chimiques
FR7823652A FR2432576A2 (fr) 1978-08-02 1978-08-02 Papier reagissant a la falsification par agents chimiques

Publications (2)

Publication Number Publication Date
IT7828723A0 IT7828723A0 (it) 1978-10-13
IT1174437B true IT1174437B (it) 1987-07-01

Family

ID=27250781

Family Applications (1)

Application Number Title Priority Date Filing Date
IT28723/78A IT1174437B (it) 1977-10-14 1978-10-13 Carta reagente alla falsipicacione mediante agenti chimici

Country Status (4)

Country Link
CH (1) CH634363A5 (nl)
DE (1) DE2843309B2 (nl)
IT (1) IT1174437B (nl)
NL (1) NL186590C (nl)

Also Published As

Publication number Publication date
NL186590C (nl) 1991-01-02
DE2843309A1 (de) 1979-04-19
IT7828723A0 (it) 1978-10-13
CH634363A5 (en) 1983-01-31
DE2843309B2 (de) 1980-02-14
NL186590B (nl) 1990-08-01
NL7810322A (nl) 1979-04-18

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Legal Events

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Effective date: 19951031