Business document having security features
US5698296A · kind A · utility
29Cited by
16References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 12, 1995 |
| Grant date | Dec 16, 1997 |
| Priority date | — |
| Expiry date | Dec 12, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2984
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A security coating for business documents printed using noncontact as well as impact printing devices is provided which enhances the adhesion of toner particles and/or ink to a document substrate. Other security features may be also be added to the coating to provide a dual-function coating which also provides visible evidence of tampering, either by the application of solvents, mechanical abrasion, heat, or when pressure is applied.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.