Hybrid sheet, such as a security sheet, formed by assembling a fibrous part and a plastic part
US9644319B2 · kind B2 · utility
0Cited by
3References
62Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 12, 2007 |
| Grant date | May 9, 2017 |
| Priority date | — |
| Expiry date | Jul 10, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/197
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
The invention relates to a sheet of a given size, having a rear face and a front face. The invention is characterised in that it includes at least one part which is made from fibrous material and at least one other part which is made from plastic material and which is adjacent to the fibrous part, said parts being joined at a zone in which the two materials overlap. The plastic part at least partially forms a side zone of the sheet that is free of fibrous material and the plastic part includes at least one transparent or translucent zone.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.