Title:
SECURITY ELEMENT AND METHOD FOR PRODUCTION THEREOF
Document Type and Number:
WIPO Patent Application WO2003083159
Kind Code:
A3
Abstract:
The invention relates to an object, in particular a security element for security papers, banknotes, identity cards or similar, a security paper and a value document with said security element. The invention further relates to a method for the production of the object, in particular the security element or the security paper and the value document with said security element. The method is particularly applicable to the generation of a noble-metal colour, preferably golden coating on a substrate.
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Inventors:
HEIM MANFRED (DE)
BURCHARD THEO (DE)
BURCHARD THEO (DE)
Application Number:
PCT/EP2003/003147
Publication Date:
March 25, 2004
Filing Date:
March 26, 2003
Export Citation:
Assignee:
GIESECKE & DEVRIENT GMBH (DE)
HEIM MANFRED (DE)
BURCHARD THEO (DE)
HEIM MANFRED (DE)
BURCHARD THEO (DE)
International Classes:
B42D15/00; B44F1/12; C23C14/14; D21H21/42; (IPC1-7): C23C14/26; C23C14/30; C23C14/20; G07D7/12; B42D15/00
Foreign References:
| GB2138027A | 1984-10-17 | |||
| US4791017A | 1988-12-13 | |||
| EP0727506A1 | 1996-08-21 | |||
| US5409782A | 1995-04-25 | |||
| US4393120A | 1983-07-12 | |||
| US6146773A | 2000-11-14 | |||
| EP0825297A1 | 1998-02-25 |
Other References:
PATENT ABSTRACTS OF JAPAN vol. 015, no. 206 (C - 0835) 27 May 1991 (1991-05-27)
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