Article with soft nonwoven layer
US9993369B2 · kind B2 · utility
10Cited by
40References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 19, 2013 |
| Grant date | Jun 12, 2018 |
| Priority date | — |
| Expiry date | Nov 9, 2033 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2013/51078
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An article having as a component a nonwoven material, which includes a layer of spunbond fibers. The fibers of the nonwoven material are made of a composition that includes a first polyolefin, a second polyolefin that is a propylene copolymer and is different from the first polyolefin and a softness enhancer additive. The layer of fibers also includes a plurality of calendering bonds with an aspect ratio of at least 2.5.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.