Multilobal polymer filaments and articles produced therefrom
US6673442B2 · kind B2 · utility
7Cited by
28References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 23, 2001 |
| Grant date | Jan 6, 2004 |
| Priority date | — |
| Expiry date | May 23, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/30
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
This invention provides polymer filaments having a multilobal cross-section. The cross-section can have a filament factor of about 2.0 or greater and a tip ratio of greater than about 0.2. The filaments may be used as-spun as a spin-oriented feed yarn or as a direct use yarn. The multifilament yarns made from these filaments are useful to make articles with subdued luster and low glitter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.