Composite sheet used for artificial leather with low elongation and excellent softness
US7820569B2 · kind B2 · utility
5Cited by
8References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 29, 2003 |
| Grant date | Oct 26, 2010 |
| Priority date | — |
| Expiry date | Jan 29, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/64
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A composite sheet used for artificial leather with low elongation and excellent softness which includes a non-woven fabric layer, a woven or knitted fabric layer and a polyurethane resin, wherein the non-woven fabric layer and the woven or knitted fabric layer are entangled with each other.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.