PT88130A - SUPPORT D'IMPRESSION-ECRITURE ANTICOPIE ET PROCEDE ASSOCIE - Google Patents

SUPPORT D'IMPRESSION-ECRITURE ANTICOPIE ET PROCEDE ASSOCIE

Info

Publication number
PT88130A
PT88130A PT88130A PT8813088A PT88130A PT 88130 A PT88130 A PT 88130A PT 88130 A PT88130 A PT 88130A PT 8813088 A PT8813088 A PT 8813088A PT 88130 A PT88130 A PT 88130A
Authority
PT
Portugal
Prior art keywords
anticopie
ecriture
associe
procede
impression
Prior art date
Application number
PT88130A
Other languages
Portuguese (pt)
Inventor
Rene Gautron
Original Assignee
Vicat S A
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 S A filed Critical Vicat S A
Publication of PT88130A publication Critical patent/PT88130A/en

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)
PT88130A 1987-07-30 1988-07-28 SUPPORT D'IMPRESSION-ECRITURE ANTICOPIE ET PROCEDE ASSOCIE PT88130A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8710845A FR2618812B1 (en) 1987-07-30 1987-07-30 ANTICOPY PRINT-WRITE MEDIUM AND ASSOCIATED METHOD

Publications (1)

Publication Number Publication Date
PT88130A true PT88130A (en) 1989-06-30

Family

ID=9353739

Family Applications (1)

Application Number Title Priority Date Filing Date
PT88130A PT88130A (en) 1987-07-30 1988-07-28 SUPPORT D'IMPRESSION-ECRITURE ANTICOPIE ET PROCEDE ASSOCIE

Country Status (10)

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

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 (en) * 1992-10-28 1995-11-16 Teledata S A PROCEDURE FOR TREATING PAPER, PROTECTING IT AGAINST UNAUTHORIZED PHOTOCOPIES.
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 (en) * 2013-09-26 2014-01-22 昆山市长宏印刷厂 Anti-copying computer printing paper
CN109837031A (en) * 2017-11-29 2019-06-04 北京康得新功能材料有限公司 A kind of anti-copy pre-coating film and preparation method thereof
CN111519469B (en) * 2020-05-18 2021-12-24 湖南翰坤实业有限公司 Anti-patting paper material and preparation method thereof
CN115045137A (en) * 2022-05-16 2022-09-13 江苏卫星新材料股份有限公司 Light-variable special paper and preparation method thereof

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 (en) * 1969-10-07 1978-05-11 Xerox Corp., Rochester, N.Y. (V.St.A.) Process for the production of non-copyable documents
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
FI883572A (en) 1989-01-31
NO883384L (en) 1989-01-31
AU610614B2 (en) 1991-05-23
FI883572A0 (en) 1988-07-29
FR2618812B1 (en) 1990-04-27
DK425988D0 (en) 1988-07-29
CN1032827A (en) 1989-05-10
DK425988A (en) 1989-01-31
EP0302774A2 (en) 1989-02-08
JPS6490480A (en) 1989-04-06
NZ225591A (en) 1989-09-27
EP0302774A3 (en) 1989-03-01
NO883384D0 (en) 1988-07-29
AU2009688A (en) 1989-06-29
FR2618812A1 (en) 1989-02-03

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Legal Events

Date Code Title Description
FC3A Refusal

Effective date: 19930728