Security structure and article incorporating such a structure
US8118231B2 · kind B2 · utility
3Cited by
1References
41Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 26, 2005 |
| Grant date | Feb 21, 2012 |
| Priority date | — |
| Expiry date | Jan 31, 2028 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB42D25/387
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A security structure intended to be incorporated or fastened, at least partially, in or on an article, for example a security document and/or a document of value, includes at least one first fluorescent zone capable of emitting by fluorescence, under a predefined illumination condition, visible light of a first color; and at least one second fluorescent zone capable of emitting by fluorescence, under the predefined illumination condition, visible light of a second color that differs from the first, the first and second fluorescent zones being observable from the respective opposed faces of the structure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.