Meltblown nonwoven fabrics, and composites thereof
US11939712B2 · kind B2 · utility
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4References
13Claims
0Family size
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Key dates
| Filing date | Jul 20, 2020 |
| Grant date | Mar 26, 2024 |
| Priority date | — |
| Expiry date | Jul 20, 2040 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD10B2509/02
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A meltblown nonwoven formed from a bicomponent fiber, wherein: the bicomponent fiber has a first region and a second region, the first region is formed from a first composition comprising at least 75 wt. % of a polypropylene; the second region is formed from a second composition comprising at least 75 wt. % of an ethylene/alpha-olefin interpolymer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.