Security element and method for production thereof
US7648763B2 · kind B2 · utility
0Cited by
5References
36Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 26, 2003 |
| Grant date | Jan 19, 2010 |
| Priority date | — |
| Expiry date | Mar 24, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31678
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
The invention relates to an object, in particular a security element for security papers, bank notes, identity card or the like, as well as a security paper and a document of value with such a security element. Furthermore, the invention relates to a method for producing the object, in particular the security element or the security paper and the document of value with such a security element. The method in particular serves for manufacturing a precious-metal-coloured, preferably gold-coloured coating on a substrate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.