Bicomponent fibers of isotactic and syndiotactic polypropylene
US6846561B1 · kind B1 · utility
19Cited by
12References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 6, 2003 |
| Grant date | Jan 25, 2005 |
| Priority date | — |
| Expiry date | Aug 6, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2931
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Bicomponent fibers of isotactic polypropylene and syndiotactic polypropylene, methods of making such fibers and products made thereof are disclosed. Embodiments of the bicomponent fibers can exhibit self-crimp properties and high shrinkage characteristics.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.