Stretch spun yarn and yarn spinning method
US9845555B1 · kind B1 · utility
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46References
9Claims
0Family size
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Key dates
| Filing date | Aug 11, 2015 |
| Grant date | Dec 19, 2017 |
| Priority date | — |
| Expiry date | Aug 11, 2035 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD10B2501/00
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A spun yarn includes a bicomponent staple fiber comprising poly(trimethylene terephthalate) and cotton staple fiber, where the poly(trimethylene terephthalate) is present at a level of at least 1 wt % and less than 20 wt % based on total weight of the spun yarn.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.