EP 0317514 A1 19890524 - Process for producing a document of which at least a part is not reproducible by means of photocopying.
Title (en)
Process for producing a document of which at least a part is not reproducible by means of photocopying.
Title (de)
Verfahren zur Herstellung eines Dokumentes, welches wenigstens zum Teil durch Photokopieren nicht reproduzierbar ist.
Title (fr)
Procédé de fabrication d'un document, dont au moins une partie est non reproductible par photocopie.
Publication
Application
Priority
CH 451887 A 19871120
Abstract (en)
The process consists in forming on the surface of the support (1) of the non-reproducible part of the document, adjacent areas by deposition of layers (2) containing at least one iridescent substance and of dark-coloured layers (3). <IMAGE>
Abstract (fr)
Le procédé consiste à former sur la surface du support (1) de la partie non reproductible du document des plages adjacentes par le dépôt de couches(2)contenant au moins une substance iridescente et de couches(3)de couleur foncée.
IPC 1-7
IPC 8 full level
B41M 3/14 (2006.01); G03C 5/08 (2006.01); G03G 21/00 (2006.01); G03G 21/04 (2006.01)
CPC (source: EP US)
B41M 3/144 (2013.01 - EP US); B42D 25/29 (2014.10 - EP); B42D 25/36 (2014.10 - EP); B42D 25/378 (2014.10 - US); B42D 25/45 (2014.10 - EP); B42D 25/47 (2014.10 - US); G03C 5/08 (2013.01 - EP US); G03G 21/043 (2013.01 - EP US); Y10S 283/902 (2013.01 - EP US); Y10S 428/916 (2013.01 - EP US); Y10T 428/24802 (2015.01 - EP US); Y10T 428/24868 (2015.01 - EP US)
Citation (search report)
- [X] FR 2429292 A1 19800118 - ARJOMARI PRIOUX [FR]
- [AD] GB 2143774 A 19850220 - KISO KASEI SANGYO CO LTD
- [A] US 4352706 A 19821005 - MILLER LEE H
- [A] FR 2565268 A1 19851206 - GUERIMAND VOIRON [FR]
Designated contracting state (EPC)
DE FR GB
DOCDB simple family (publication)
EP 0317514 A1 19890524; EP 0317514 B1 19920722; AU 2569788 A 19890525; CH 672687 A5 19891215; DE 3873034 D1 19920827; DE 3873034 T2 19930211; JP H01155381 A 19890619; US 5087507 A 19920211
DOCDB simple family (application)
EP 88810785 A 19881116; AU 2569788 A 19881118; CH 451887 A 19871120; DE 3873034 T 19881116; JP 29036688 A 19881118; US 26875488 A 19881108