DK425988A - Ikke- kopierbart materiale til skrivning eller trykning - Google Patents

Ikke- kopierbart materiale til skrivning eller trykning

Info

Publication number: DK425988A
Authority: DK; Denmark
Prior art keywords: copyable; writing; printing; copyable material
Prior art date: 1987-07-30

Application number

DK425988A

Other languages

Danish (da)

English (en)

Other versions

DK425988D0 (da

Inventor

Rene Gaurton

Pascale A Escaffre

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.)

1987-07-30

Filing date

1988-07-29

Publication date

1989-01-31

1988-07-29 Application filed by Vicat S A filed Critical Vicat S A

1988-07-29 Publication of DK425988D0 publication Critical patent/DK425988D0/da

1989-01-31 Publication of DK425988A publication Critical patent/DK425988A/da

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)
Printing Methods (AREA)
Cleaning In Electrography (AREA)
Optical Record Carriers And Manufacture Thereof (AREA)

DK425988A 1987-07-30 1988-07-29 Ikke- kopierbart materiale til skrivning eller trykning DK425988A (da)

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
DK425988D0 DK425988D0 (da)	1988-07-29
DK425988A true DK425988A (da)	1989-01-31

Family

ID=9353739

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DK425988A DK425988A (da)	1987-07-30	1988-07-29	Ikke- kopierbart materiale til skrivning eller trykning

Country Status (10)

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

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

1987
- 1987-07-30 FR FR8710845A patent/FR2618812B1/fr not_active Expired - Fee Related
1988
- 1988-07-25 EP EP88401929A patent/EP0302774A3/fr not_active Withdrawn
- 1988-07-27 AU AU20096/88A patent/AU610614B2/en not_active Ceased
- 1988-07-27 NZ NZ225591A patent/NZ225591A/xx unknown
- 1988-07-28 PT PT88130A patent/PT88130A/pt not_active Application Discontinuation
- 1988-07-29 CN CN88109081A patent/CN1032827A/zh active Pending
- 1988-07-29 NO NO88883384A patent/NO883384L/no unknown
- 1988-07-29 JP JP63190483A patent/JPS6490480A/ja active Pending
- 1988-07-29 DK DK425988A patent/DK425988A/da not_active Application Discontinuation
- 1988-07-29 FI FI883572A patent/FI883572A/fi not_active Application Discontinuation

Also Published As

Publication number	Publication date
DK425988D0 (da)	1988-07-29
FR2618812B1 (fr)	1990-04-27
NO883384L (no)	1989-01-31
CN1032827A (zh)	1989-05-10
FR2618812A1 (fr)	1989-02-03
NO883384D0 (no)	1988-07-29
AU2009688A (en)	1989-06-29
PT88130A (pt)	1989-06-30
NZ225591A (en)	1989-09-27
JPS6490480A (en)	1989-04-06
FI883572A (fi)	1989-01-31
FI883572A0 (fi)	1988-07-29
EP0302774A2 (fr)	1989-02-08
AU610614B2 (en)	1991-05-23
EP0302774A3 (fr)	1989-03-01

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Legal Events

Date	Code	Title	Description
1993-03-29	AHB	Application shelved due to non-payment