Nonwoven composite element
US7501362B2 · kind B2 · utility
2Cited by
0References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 24, 2004 |
| Grant date | Mar 10, 2009 |
| Priority date | — |
| Expiry date | Aug 8, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/698
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
The invention relates to nonwoven composite elements in which a blended fiber nonwoven comprised of thermoplastic fibers and of reinforcing fibers having a high-melting point is joined on one or both sides to one or two composite films of the structure ba or bab, in which a is a thermoplastic material having a high-melting point and b is a thermoplastic material having a low-melting point, and layer b of the composite film(s) faces the blended fiber nonwoven.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.