Elastic fiber
US6270896A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 30, 1998 |
| Grant date | Aug 7, 2001 |
| Priority date | — |
| Expiry date | Nov 30, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31826
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
An elastic fiber of a mixture containing a copolyether ester or a copolyester ester and a chemically crosslinked rubber, which fiber has a permanent elongation after 100% stretching of at most 9% and an elongation at break of at least 450% and a process for producing an elastic fiber comprising the melt spinning of a mixture of a copolyether ester or a copolyester ester and a rubber to form a fiber, in which the rubber is completely or almost completely crosslinked at the moment the fiber is formed, and are disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.