Colour laser markable laminates and documents
US9931878B2 · kind B2 · utility
0Cited by
1References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 18, 2014 |
| Grant date | Apr 3, 2018 |
| Priority date | — |
| Expiry date | Dec 18, 2034 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41M2205/42
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A colour laser markable laminate includes a colour laser markable layer including a leuco dye and an infrared absorbing compound, an optional adhesive layer, a polymeric support, an optional outerlayer, wherein the colour laser markable layer further includes an acid scavenger. The support, the optional adhesive layer, or the optional outer layer includes a UV absorbing compound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.