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US9358578B2 · kind B2 · utility
0Cited by
3References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 31, 2014 |
| Grant date | Jun 7, 2016 |
| Priority date | — |
| Expiry date | Jul 28, 2034 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB42D25/382
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An image article comprises a substrate having a security image coated on at least a portion thereof, which security image effects less than 50% reflectance of radiation of a wavelength between 800 and 900 nm, wherein the security image comprises a defined infrared-absorbing compound, for example Pigment Green 8, wherein said infrared-absorbing compound does not create a strongly colored security image.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.