Hollow acrylonitrile polymer fiber
US4296175A · kind A · utility
3Cited by
12References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 24, 1980 |
| Grant date | Oct 20, 1981 |
| Priority date | — |
| Expiry date | Mar 24, 2000 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2975
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A monolobal acrylonitrile polymer fiber is disclosed in which a continuous hollow extends throughout the fiber length, which hollow is surrounded completely by a solid polymer composition substantially devoid of sheathcore structure, density gradient, and void structure, said fiber being less than about 50 deniers per filament and having desirable textile properties.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.