JPS6490480A - Photosensitive anti-copying medium and copying prevention - Google Patents

Photosensitive anti-copying medium and copying prevention

Info

Publication number
JPS6490480A
JPS6490480A JP63190483A JP19048388A JPS6490480A JP S6490480 A JPS6490480 A JP S6490480A JP 63190483 A JP63190483 A JP 63190483A JP 19048388 A JP19048388 A JP 19048388A JP S6490480 A JPS6490480 A JP S6490480A
Authority
JP
Japan
Prior art keywords
copying
phototautomer
sensitizers
copying machine
sensitive
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.)
Pending
Application number
JP63190483A
Other languages
English (en)
Japanese (ja)
Inventor
Gootoron Rune
Esukafuru Pasukaru
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.)
BIKA SA
Original Assignee
BIKA 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 BIKA SA filed Critical BIKA SA
Publication of JPS6490480A publication Critical patent/JPS6490480A/ja
Pending legal-status Critical Current

Links

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)
JP63190483A 1987-07-30 1988-07-29 Photosensitive anti-copying medium and copying prevention Pending JPS6490480A (en)

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 (1)

Publication Number Publication Date
JPS6490480A true JPS6490480A (en) 1989-04-06

Family

ID=9353739

Family Applications (1)

Application Number Title Priority Date Filing Date
JP63190483A Pending JPS6490480A (en) 1987-07-30 1988-07-29 Photosensitive anti-copying medium and copying prevention

Country Status (10)

Country Link
EP (1) EP0302774A3 (no)
JP (1) JPS6490480A (no)
CN (1) CN1032827A (no)
AU (1) AU610614B2 (no)
DK (1) DK425988A (no)
FI (1) FI883572L (no)
FR (1) FR2618812B1 (no)
NO (1) NO883384L (no)
NZ (1) NZ225591A (no)
PT (1) PT88130A (no)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0820689B2 (ja) * 1990-04-02 1996-03-04 ノコピ・インターナショナル・リミテッド 再生防止方法及び再生防止基質
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

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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.
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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0820689B2 (ja) * 1990-04-02 1996-03-04 ノコピ・インターナショナル・リミテッド 再生防止方法及び再生防止基質
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

Also Published As

Publication number Publication date
EP0302774A2 (fr) 1989-02-08
NZ225591A (en) 1989-09-27
EP0302774A3 (fr) 1989-03-01
CN1032827A (zh) 1989-05-10
AU2009688A (en) 1989-06-29
PT88130A (pt) 1989-06-30
FR2618812B1 (fr) 1990-04-27
NO883384D0 (no) 1988-07-29
FR2618812A1 (fr) 1989-02-03
NO883384L (no) 1989-01-31
DK425988D0 (da) 1988-07-29
FI883572A0 (fi) 1988-07-29
FI883572A7 (fi) 1989-01-31
FI883572L (fi) 1989-01-31
AU610614B2 (en) 1991-05-23
DK425988A (da) 1989-01-31

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