Paper of value and a method of producing it
US5567276A · kind A · utility
33Cited by
6References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 20, 1994 |
| Grant date | Oct 22, 1996 |
| Priority date | — |
| Expiry date | Jul 20, 2014 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB42D25/355
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The present invention relates to a paper of value having an embedded security element, preferably an optically variable element in the form of hologram, diffraction or interference structures applied to the paper surface, and to a method for producing such a paper of value. The paper of value is characterized by the fact that the optically variable element is embedded in the paper of value with the paper surface forming a plane that is even with the surface of the optically variable element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.