Hollow fibers and manufacturing method of hollow fibers
US6455156B2 · kind B2 · utility
22Cited by
2References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 16, 2001 |
| Grant date | Sep 24, 2002 |
| Priority date | — |
| Expiry date | Mar 16, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/612
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The present invention provides a hollow fiber, which includes:at least one thermoplastic polymer with an equilibrium water content of 2% or less;wherein the number of hollow portions (&agr;1) and a hollow ratio (&agr;2) in said fiber satisfy the following equations:&agr;1≧72≦&agr;2≦650.14≦(&agr;1×&agr;2)/100≦250.Other embodiments of the present invention include articles containing the hollow fiber, methods of making and of using, and a sea-island conjugate fiber
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.