Tamper-indicating printable sheet for securing documents of value and methods of making the same
US7658980B2 · kind B2 · utility
1Cited by
32References
67Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 3, 2005 |
| Grant date | Feb 9, 2010 |
| Priority date | — |
| Expiry date | Jun 21, 2027 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2839
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A tamper-indicating printable sheet. A preferred embodiment of the invention provides a tamper-indicating printable sheet comprising a retroreflective layer comprising a plurality of microbeads partially embedded in an inkjet receptive beadbond layer; and a reflector layer between one of the microbeads and the inkjet receptive beadbond layer. The present invention provides a method of making a tamper-indicating printable sheet.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.