Security document
US9878572B2 · kind B2 · utility
1Cited by
3References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 28, 2010 |
| Grant date | Jan 30, 2018 |
| Priority date | — |
| Expiry date | May 27, 2031 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB42D25/45
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
The present invention provides a security document and method of production thereof. The security document (10) comprises: a polymer substrate (12) having first (14) and second (22) surfaces; a security feature (16) formed in a region of at least one of said first and second surfaces of said polymer substrate; an opacifying layer (18, 24) formed on at least a portion of at least one of said first and second surfaces of said polymer substrate; a printed design formed on at least a portion of said opacifying layer; and wherein said security feature is formed at least prior to said printed design being formed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.