Consolidated fibrous structure
US8147957B2 · kind B2 · utility
1Cited by
46References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 27, 2009 |
| Grant date | Apr 3, 2012 |
| Priority date | — |
| Expiry date | Jul 1, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/651
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A consolidated fibrous structure including a multiplicity of fibrous layers. The fibers of each fibrous layer contain a core, a first layer and a second layer. The core has an exterior surface portion containing polypropylene. The first layer is disposed on at least a portion of the core and contains a first polymer. The first polymer contains a polymer having at least 70% α-olefin units and is characterized by a melting temperature lower than the melting temperature of the exterior surface portion of the core. The second layer is disposed on at least a portion of the first layer and contains a second polymer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.