Microfiber-containing nonwoven fabrics
US11441252B2 · kind B2 · utility
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10References
20Claims
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Key dates
| Filing date | Dec 4, 2019 |
| Grant date | Sep 13, 2022 |
| Priority date | — |
| Expiry date | Oct 28, 2040 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD10B2331/04
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Nonwoven fabrics including (i) continuous fibers and (ii) a blend of staple fibers comprising polyester staple fibers, bicomponent staple fibers, microfiber staple fibers, and wettable staple fibers, in which the continuous fibers are mechanically entangled with the blend of staple fibers. The continuous fibers and the blend of staple fibers may be mechanically entangled via a hydroentangling process.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.