FI883572A - Okopierbart skriv- eller figurmaterial samt foer detta avsett foerfarande. - Google Patents

Okopierbart skriv- eller figurmaterial samt foer detta avsett foerfarande. Download PDF

Info

Publication number
FI883572A
FI883572A FI883572A FI883572A FI883572A FI 883572 A FI883572 A FI 883572A FI 883572 A FI883572 A FI 883572A FI 883572 A FI883572 A FI 883572A FI 883572 A FI883572 A FI 883572A
Authority
FI
Finland
Prior art keywords
skriv
okopierbart
figurmaterial
avsett
eller
Prior art date
Application number
FI883572A
Other languages
English (en)
Other versions
FI883572A0 (fi
Inventor
Rene Gautron
Pascale Escaffre
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
Publication of FI883572A0 publication Critical patent/FI883572A0/fi
Publication of FI883572A publication Critical patent/FI883572A/fi

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Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
    • G03C5/08—Photoprinting; Processes and means for preventing photoprinting
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
    • G03G21/04—Preventing copies being made of an original
    • G03G21/043—Preventing 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)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Printing Methods (AREA)
  • Cleaning In Electrography (AREA)
FI883572A 1987-07-30 1988-07-29 Okopierbart skriv- eller figurmaterial samt foer detta avsett foerfarande. FI883572A (fi)

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
FI883572A0 FI883572A0 (fi) 1988-07-29
FI883572A true FI883572A (fi) 1989-01-31

Family

ID=9353739

Family Applications (1)

Application Number Title Priority Date Filing Date
FI883572A FI883572A (fi) 1987-07-30 1988-07-29 Okopierbart skriv- eller figurmaterial samt foer detta avsett foerfarande.

Country Status (10)

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

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
DK425988A (da) 1989-01-31
FR2618812B1 (fr) 1990-04-27
AU610614B2 (en) 1991-05-23
DK425988D0 (da) 1988-07-29
FI883572A0 (fi) 1988-07-29
FR2618812A1 (fr) 1989-02-03
NO883384L (no) 1989-01-31
PT88130A (pt) 1989-06-30
EP0302774A3 (fr) 1989-03-01
NO883384D0 (no) 1988-07-29
AU2009688A (en) 1989-06-29
NZ225591A (en) 1989-09-27
CN1032827A (zh) 1989-05-10
JPS6490480A (en) 1989-04-06
EP0302774A2 (fr) 1989-02-08

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Legal Events

Date Code Title Description
FD Application lapsed

Owner name: S.A. VICAT