Method for securing a coloured opaque object
US8632101B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 3, 2010 |
| Grant date | Jan 21, 2014 |
| Priority date | — |
| Expiry date | Feb 3, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09F23/06
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The invention relates to a method for securing a colored or uncoloured translucent or opaque object (1), in which a sticker (2) is affixed to the back of the object (1), said sticker comprising: a substrate including a watermark or pseudo-watermark (4) which is sufficiently transparent to allow the object (1) to be seen through the watermark or pseudo-watermark (4); and a luminescent agent which is positioned at least partially over the watermark or pseudo-watermark (4) between the watermark or pseudo-watermark (4) and the object (1).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.