Polymer laminate for a security and/or valuable document and method for the production thereof
US10391807B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Oct 31, 2008 |
| Grant date | Aug 27, 2019 |
| Priority date | — |
| Expiry date | Mar 1, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24802
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
In order to create novel security features in secure and/or valuable documents, a polymer layer composite, which has at least two polymer layers that are bonded to each other in a material fit is provided. At least one surface is printed with an absorbing printed layer within a visible region in and/or on the composite located on a polymer layer of the composite. The absorbing printed layer forms at least one printed region, and all printed regions of the printed surface of the polymer layer have a total surface area of at least 50% and not more than 95%.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.