Title:
METHOD FOR MARKING A MATERIAL AND RESULTING MARKED MATERIAL
Document Type and Number:
WIPO Patent Application WO2006016058
Kind Code:
A3
Abstract:
The invention concerns a method for marking a material characterized in that it consists in incorporating into the material: either a phosphor capable of producing, following excitation, two light emissions whereof the respective wavelengths and the emission decay times are different, or several phosphors capable of producing, following excitation, a light emission whereof the wavelength and the emission decay time are different from the wavelength and emission decay time of the other or other phosphors. The material can in particular be of the paper, board, paint, textile, ink, glass or macromolecular material type.
Inventors:
LE MERCIER THIERRY (FR)
CEINTREY CLAUDE (FR)
CEINTREY CLAUDE (FR)
Application Number:
PCT/FR2005/001787
Publication Date:
March 30, 2006
Filing Date:
July 11, 2005
Export Citation:
Assignee:
RHODIA CHIMIE SA (FR)
LE MERCIER THIERRY (FR)
CEINTREY CLAUDE (FR)
LE MERCIER THIERRY (FR)
CEINTREY CLAUDE (FR)
International Classes:
C09K11/77; G07D7/12
Domestic Patent References:
| WO2003089661A1 | 2003-10-30 |
Foreign References:
| US6165609A | 2000-12-26 | |||
| EP0581621A1 | 1994-02-02 | |||
| EP0498689A1 | 1992-08-12 |
Other References:
DATABASE WPI Section Ch Week 197545, Derwent World Patents Index; Class L03, AN 1975-75283W, XP002324862
See also references of EP 1771529A2
See also references of EP 1771529A2
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