Printable paper substitute based on spunbonded polypropylene fabrics
US4961983A · kind A · utility
6Cited by
5References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 5, 1988 |
| Grant date | Oct 9, 1990 |
| Priority date | — |
| Expiry date | Dec 5, 2008 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/2918
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A printable paper substitute is composed of a laminated sheet having a central layer of nonwoven spunbonded polypropylene and outer layers of pigmented polypropylene. The outer layers are capable of delamination to provide evidence of tempering.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.