Structure comprising a fibrous material substrate and method for authenticating and/or identifying such a structure
US8558995B2 · kind B2 · utility
4Cited by
20References
40Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 15, 2006 |
| Grant date | Oct 15, 2013 |
| Priority date | — |
| Expiry date | Sep 13, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG07D7/2033
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
The invention concerns a structure (1) comprising: a least one fibrous material substrate (2), optionally at least one surface layer deposited on one surface of the substrate, a plurality of heterogeneous elements (3) of the substrate and/or of the optional surface layer, dispersed randomly within the substrate and/or the optional surface layer, at least one authenticating and/or identifying information having a relationship with at least one spatial and/or physical feature of part at least of said heterogeneous elements.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.