FR2478695B1 - - Google Patents

Info

Publication number
FR2478695B1
FR2478695B1 FR8006336A FR8006336A FR2478695B1 FR 2478695 B1 FR2478695 B1 FR 2478695B1 FR 8006336 A FR8006336 A FR 8006336A FR 8006336 A FR8006336 A FR 8006336A FR 2478695 B1 FR2478695 B1 FR 2478695B1
Authority
FR
France
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
Application number
FR8006336A
Other languages
French (fr)
Other versions
FR2478695A1 (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.)
Aussedat Rey SA
Original Assignee
Aussedat Rey SA
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 Aussedat Rey SA filed Critical Aussedat Rey SA
Priority to FR8006336A priority Critical patent/FR2478695A1/fr
Publication of FR2478695A1 publication Critical patent/FR2478695A1/fr
Application granted granted Critical
Publication of FR2478695B1 publication Critical patent/FR2478695B1/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
    • D21H21/48—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
    • D21H21/30—Luminescent or fluorescent substances, e.g. for optical bleaching
FR8006336A 1980-03-21 1980-03-21 Papier de surete a particules luminescentes, son procede de fabrication, et procede de fabrication desdites particules Granted FR2478695A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8006336A FR2478695A1 (fr) 1980-03-21 1980-03-21 Papier de surete a particules luminescentes, son procede de fabrication, et procede de fabrication desdites particules

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8006336A FR2478695A1 (fr) 1980-03-21 1980-03-21 Papier de surete a particules luminescentes, son procede de fabrication, et procede de fabrication desdites particules

Publications (2)

Publication Number Publication Date
FR2478695A1 FR2478695A1 (fr) 1981-09-25
FR2478695B1 true FR2478695B1 (OSRAM) 1984-10-19

Family

ID=9239942

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8006336A Granted FR2478695A1 (fr) 1980-03-21 1980-03-21 Papier de surete a particules luminescentes, son procede de fabrication, et procede de fabrication desdites particules

Country Status (1)

Country Link
FR (1) FR2478695A1 (OSRAM)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0219743A1 (en) * 1985-10-04 1987-04-29 DeSoto, Inc. Security paper containing vesiculated beads
DE3669183D1 (de) * 1985-12-05 1990-04-05 Wiggins Teape Group Ltd Sicherheitspapier.
US4964951A (en) * 1987-05-29 1990-10-23 Security Tag Systems, Inc. Process for making secure paper product
GB8811671D0 (en) * 1988-05-17 1988-06-22 Wiggins Teape Group Ltd Security & decorative paper
US6045656A (en) * 1998-12-21 2000-04-04 Westvaco Corporation Process for making and detecting anti-counterfeit paper
US6054021A (en) * 1999-01-20 2000-04-25 Westvaco Corporation Process of manufacturing authenticatable paper products
DE19926010C2 (de) * 1999-06-08 2003-01-30 Bundesdruckerei Gmbh Wert- und Sicherheitsdokument mit Sicherheitsmerkmal mit Piezo-Effekt-basierten Eigenschaften und dazugehöriges Nachweisverfahren
US20020066543A1 (en) * 2000-12-05 2002-06-06 Spectra Systems Corporation Fluorescent micro-particles embedded in a pigmented fluorescent coating for optical document security
DE10322841A1 (de) * 2003-05-19 2004-12-16 Merck Patent Gmbh Duales Sicherheitsmerkmal
FR2868093B1 (fr) * 2004-03-26 2007-07-13 Honnorat Rech S & Services Sar Papier de securite couche
FR2970716B1 (fr) * 2011-01-25 2013-09-06 Honnorat Rech S & Services Papier de securite infalsifiable aux solvants
GB2531584B (en) * 2014-10-23 2019-07-10 Portals De La Rue Ltd Improvements in security papers and documents

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR987483A (fr) * 1943-02-09 1951-08-14 Montgolfier Papier de sûreté et son procédé de fabrication
US3128222A (en) * 1960-11-07 1964-04-07 Crown Zellerbach Corp Process of coloring cellulosic fibers
DE1696165A1 (de) * 1966-10-21 1971-11-04 Basf Ag Fluoreszierende Papiere
US4115187A (en) * 1970-03-31 1978-09-19 Welwyn Hall Research Association Agglomerated fillers used in paper
DE2016470C3 (de) * 1970-04-07 1973-12-13 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung stabiler wäßriger Dispersionen von in Wasser schwerlöslichen optischen Aufhellern
US3894836A (en) * 1970-08-05 1975-07-15 Alfred Frei Paper dye
DE2443164C2 (de) * 1974-09-10 1976-09-02 Hoechst Ag Thermoplastische kunststoffolie mit strahlungsveraendernden teilchen

Also Published As

Publication number Publication date
FR2478695A1 (fr) 1981-09-25

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