Security sheet comprising a fibrous substrate
US8376409B2 · kind B2 · utility
6Cited by
12References
64Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 11, 2007 |
| Grant date | Feb 19, 2013 |
| Priority date | — |
| Expiry date | Jun 13, 2029 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21H21/42
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The present invention relates to a security film comprising a fibrous substrate incorporated at least partially in which is a security strip that comprises at least one security element and that extends between two edges of said fibrous substrate, said security strip being made of paper and comprising an adhesive.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.