Meltblown fiber web with staple fibers
US7989371B2 · kind B2 · utility
10Cited by
33References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 22, 2007 |
| Grant date | Aug 2, 2011 |
| Priority date | — |
| Expiry date | Dec 15, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/681
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A porous nonwoven web and method of making are disclosed, wherein the web contains meltblown fibers and staple fibers. The meltblown fibers may be present as a bimodal mixture of microfibers and mesofibers, and comprise an intermingled mixture with staple fibers further intermingled therein.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.