Bicomponent spandex
US11499250B2 · kind B2 · utility
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11References
39Claims
0Family size
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Key dates
| Filing date | Dec 7, 2017 |
| Grant date | Nov 15, 2022 |
| Priority date | — |
| Expiry date | Mar 27, 2039 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/641
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
An elastic multiple component fiber comprising a cross-section, wherein at least a first region of said cross-section comprises a polyurethaneurea composition; and comprising a second region.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.