Multilayer film and authentication label
US9778618B2 · kind B2 · utility
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20References
26Claims
0Family size
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Key dates
| Filing date | Apr 17, 2015 |
| Grant date | Oct 3, 2017 |
| Priority date | — |
| Expiry date | Apr 17, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09F3/04
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
In a first aspect, a multilayer film includes a holographic image layer, a first heat-shrinkable layer and a first adhesive layer between the holographic image layer and the first heat-shrinkable layer.In a second aspect, an authentication label includes a holographic image layer, a first heat-shrinkable layer, a first adhesive layer between the holographic image layer and the first heat-shrinkable layer, and a back adhesive layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.