Security document having a transparent or translucent support and containing interference pigments
US6210777A · kind A · utility
81Cited by
7References
30Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 10, 1996 |
| Grant date | Apr 3, 2001 |
| Priority date | — |
| Expiry date | Jun 10, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/251
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A security document which contains at least one layer and a transparent or translucent support and at least one image or pattern serving for identification purposes, characterized in that the document contains at least one light interference pigment distributed uniformly or patternwise in or on at least one layer of the document and/or contains the pigment in the support.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.