FR2618812B1 - Support d'impression-ecriture anticopie et procede associe - Google Patents

Support d'impression-ecriture anticopie et procede associe

Info

Publication number
FR2618812B1
FR2618812B1 FR8710845A FR8710845A FR2618812B1 FR 2618812 B1 FR2618812 B1 FR 2618812B1 FR 8710845 A FR8710845 A FR 8710845A FR 8710845 A FR8710845 A FR 8710845A FR 2618812 B1 FR2618812 B1 FR 2618812B1
Authority
FR
France
Prior art keywords
anticopy
print
associated method
write medium
write
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
FR8710845A
Other languages
English (en)
Other versions
FR2618812A1 (fr
Inventor
Rene L Gautron
Pascale A Escaffre
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.)
Vicat SA
Original Assignee
Vicat 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 Vicat SA filed Critical Vicat SA
Priority to FR8710845A priority Critical patent/FR2618812B1/fr
Priority to EP88401929A priority patent/EP0302774A3/fr
Priority to AU20096/88A priority patent/AU610614B2/en
Priority to NZ225591A priority patent/NZ225591A/xx
Priority to PT88130A priority patent/PT88130A/pt
Priority to CN88109081A priority patent/CN1032827A/zh
Priority to FI883572A priority patent/FI883572A/fi
Priority to NO88883384A priority patent/NO883384L/no
Priority to JP63190483A priority patent/JPS6490480A/ja
Priority to DK425988A priority patent/DK425988A/da
Publication of FR2618812A1 publication Critical patent/FR2618812A1/fr
Application granted granted Critical
Publication of FR2618812B1 publication Critical patent/FR2618812B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03CPHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C5/00Photographic processes or agents therefor; Regeneration of such processing agents
    • G03C5/08Photoprinting; Processes and means for preventing photoprinting
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G21/00Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
    • G03G21/04Preventing copies being made of an original
    • G03G21/043Preventing copies being made of an original by using an original which is not reproducible or only reproducible with a different appearence, e.g. originals with a photochromic layer or a colour background

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
  • Color Printing (AREA)
  • Printing Methods (AREA)
  • Cleaning In Electrography (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
FR8710845A 1987-07-30 1987-07-30 Support d'impression-ecriture anticopie et procede associe Expired - Fee Related FR2618812B1 (fr)

Priority Applications (10)

Application Number Priority Date Filing Date Title
FR8710845A FR2618812B1 (fr) 1987-07-30 1987-07-30 Support d'impression-ecriture anticopie et procede associe
EP88401929A EP0302774A3 (fr) 1987-07-30 1988-07-25 Support d'impression-écriture anticopie et procédé associé
AU20096/88A AU610614B2 (en) 1987-07-30 1988-07-27 An anti-copying medium for writing or printing, and associated method
NZ225591A NZ225591A (en) 1987-07-30 1988-07-27 Anti-copying medium for writing or printing
PT88130A PT88130A (pt) 1987-07-30 1988-07-28 Support d'impression-ecriture anticopie et procede associe
FI883572A FI883572A (fi) 1987-07-30 1988-07-29 Okopierbart skriv- eller figurmaterial samt foer detta avsett foerfarande.
CN88109081A CN1032827A (zh) 1987-07-30 1988-07-29 书写或印刷字体防复印的介质及相关方法
NO88883384A NO883384L (no) 1987-07-30 1988-07-29 Lyspaavirkbart trykk-/skrift-underlag.
JP63190483A JPS6490480A (en) 1987-07-30 1988-07-29 Photosensitive anti-copying medium and copying prevention
DK425988A DK425988A (da) 1987-07-30 1988-07-29 Ikke- kopierbart materiale til skrivning eller trykning

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8710845A FR2618812B1 (fr) 1987-07-30 1987-07-30 Support d'impression-ecriture anticopie et procede associe

Publications (2)

Publication Number Publication Date
FR2618812A1 FR2618812A1 (fr) 1989-02-03
FR2618812B1 true FR2618812B1 (fr) 1990-04-27

Family

ID=9353739

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8710845A Expired - Fee Related FR2618812B1 (fr) 1987-07-30 1987-07-30 Support d'impression-ecriture anticopie et procede associe

Country Status (10)

Country Link
EP (1) EP0302774A3 (fr)
JP (1) JPS6490480A (fr)
CN (1) CN1032827A (fr)
AU (1) AU610614B2 (fr)
DK (1) DK425988A (fr)
FI (1) FI883572A (fr)
FR (1) FR2618812B1 (fr)
NO (1) NO883384L (fr)
NZ (1) NZ225591A (fr)
PT (1) PT88130A (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9007387D0 (en) * 1990-04-02 1990-05-30 Nocopi Int Inc A switchon-switchoff,multistate,interactive,antiphotocopying,antifraud and antifaxing system
ES2066685B1 (es) * 1992-10-28 1995-11-16 Teledata S A Procedimiento para tratar papel, protegiendolo contra fotocopias no autorizadas.
US5720897A (en) * 1995-01-25 1998-02-24 University Of Florida Transition metal bleach activators for bleaching agents and detergent-bleach compositions
ZA9710835B (en) * 1996-12-23 1998-06-12 Standard Register Co Photochromic security system.
CN103526646A (zh) * 2013-09-26 2014-01-22 昆山市长宏印刷厂 一种防复印电脑打印纸
CN109837031A (zh) * 2017-11-29 2019-06-04 北京康得新功能材料有限公司 一种防复印预涂膜及其制备方法
CN111519469B (zh) * 2020-05-18 2021-12-24 湖南翰坤实业有限公司 一种防拍纸张材料及其制备方法
CN115045137A (zh) * 2022-05-16 2022-09-13 江苏卫星新材料股份有限公司 一种光变特种纸张及其制备方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3597082A (en) * 1967-02-20 1971-08-03 Litton Business Systems Inc Uncopyable photochromic paper
DE2048853C3 (de) * 1969-10-07 1978-05-11 Xerox Corp., Rochester, N.Y. (V.St.A.) Verfahren zur Herstellung von nicht kopierbaren Schriftstücken
US3713861A (en) * 1969-12-04 1973-01-30 Xerox Corp Inhibitor device
IL42090A (en) * 1973-04-22 1977-01-31 Yeda Res & Dev Photocopying prevention

Also Published As

Publication number Publication date
PT88130A (pt) 1989-06-30
NZ225591A (en) 1989-09-27
EP0302774A2 (fr) 1989-02-08
DK425988A (da) 1989-01-31
FR2618812A1 (fr) 1989-02-03
CN1032827A (zh) 1989-05-10
AU2009688A (en) 1989-06-29
NO883384L (no) 1989-01-31
EP0302774A3 (fr) 1989-03-01
FI883572A (fi) 1989-01-31
AU610614B2 (en) 1991-05-23
DK425988D0 (da) 1988-07-29
JPS6490480A (en) 1989-04-06
FI883572A0 (fi) 1988-07-29
NO883384D0 (no) 1988-07-29

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Legal Events

Date Code Title Description
ST Notification of lapse