Security element with colour shift effect and fluorescent features and method for production and use of same
US10214045B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Nov 26, 2015 |
| Grant date | Feb 26, 2019 |
| Priority date | — |
| Expiry date | Nov 26, 2035 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB42D25/373
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
The invention relates to a security element having a coating consisting of a material which has an optically variable effect, in particular a colour shift effect, and has recesses that can be recognised in transmitted light, wherein the security element comprises a support substrate, a partial layer with recesses, and a layer structure that generates a colour shift effect, characterised in that the security element, on the face which has the coating consisting of the material that has an optically variable effect, comprises one or more partial coatings consisting of a layer which has colours that are transparent in visible light and fluorescent in UV light.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.