Title:
USE OF LUMINESCENT NANOCOMPOUNDS FOR AUTHENTICATING SECURITY DOCUMENTS
Document Type and Number:
WIPO Patent Application WO/2014/090867
Kind Code:
A3
Abstract:
The present invention relates to the use of nanocompounds as non deactivable security markers comprising a charge-transfer complex of at least two different size metal atomic quantum clusters (AQCs). These nanocompounds are luminescent, particularly fluorescent after external excitation. The invention also relates to security documents, articles or elements incorporating these markers as well as to a method and a system for detecting the same.
Inventors:
LOPEZ QUINTELA MANUEL ARTURO (ES)
GARCÍA JUEZ VICENTE (ES)
GARCÍA JUEZ VICENTE (ES)
Application Number:
PCT/EP2013/076207
Publication Date:
August 07, 2014
Filing Date:
December 11, 2013
Export Citation:
Assignee:
FÁBRICA NAC DE MONEDA Y TIMBRE REAL CASA DE LA MONEDA (ES)
NANOGAP SUB NM POWDER SA (ES)
NANOGAP SUB NM POWDER SA (ES)
International Classes:
C09K11/58; B42D15/00; C09K11/02
Domestic Patent References:
| WO2012172018A1 | 2012-12-20 | |||
| WO2012090034A1 | 2012-07-05 |
Foreign References:
| US20100270504A1 | 2010-10-28 | |||
| US20090256116A1 | 2009-10-15 | |||
| US20110165689A1 | 2011-07-07 |
Attorney, Agent or Firm:
ARIAS SANZ, Juan (S.L.Avda. de Burgos 16, Edificio Euromor Madrid, ES)
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