BE523251A - - Google Patents

Info

Publication number
BE523251A
BE523251A BE523251DA BE523251A BE 523251 A BE523251 A BE 523251A BE 523251D A BE523251D A BE 523251DA BE 523251 A BE523251 A BE 523251A
Authority
BE
Belgium
Prior art keywords
layer
security paper
paper
products
paper according
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE523251A publication Critical patent/BE523251A/fr

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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/20—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof characterised by a particular use or purpose
    • B42D25/29—Securities; Bank notes

Landscapes

  • Business, Economics & Management (AREA)
  • Accounting & Taxation (AREA)
  • Finance (AREA)
  • Printing Methods (AREA)
  • Paper (AREA)
BE523251D BE523251A (enrdf_load_html_response)

Publications (1)

Publication Number Publication Date
BE523251A true BE523251A (enrdf_load_html_response)

Family

ID=158263

Family Applications (1)

Application Number Title Priority Date Filing Date
BE523251D BE523251A (enrdf_load_html_response)

Country Status (1)

Country Link
BE (1) BE523251A (enrdf_load_html_response)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1981001430A1 (en) * 1979-11-21 1981-05-28 Wiggins Teape Group Ltd Method of preventing erasure of an image and a booklet of security papers
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
FR2654445A1 (fr) * 1989-11-14 1991-05-17 Arjomari Prioux Papier de securite comportant un nouveau fil de securite reagissant a la falsification.

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1981001430A1 (en) * 1979-11-21 1981-05-28 Wiggins Teape Group Ltd Method of preventing erasure of an image and a booklet of security papers
EP0029714A1 (en) * 1979-11-21 1981-06-03 The Wiggins Teape Group Limited Method of preventing erasure of an image and a booklet of security papers
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
FR2654445A1 (fr) * 1989-11-14 1991-05-17 Arjomari Prioux Papier de securite comportant un nouveau fil de securite reagissant a la falsification.
EP0428447A1 (fr) * 1989-11-14 1991-05-22 Arjo Wiggins S.A. Papier de sécurité comportant un nouveau fil de sécurité réagissant à la falsification

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