Absorbent articles having apertured, three-dimensional materials and methods for making same
US11382801B2 · kind B2 · utility
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11References
22Claims
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Key dates
| Filing date | Sep 26, 2018 |
| Grant date | Jul 12, 2022 |
| Priority date | — |
| Expiry date | Jan 14, 2041 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2013/8497
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An absorbent article is provided. The absorbent article includes a nonwoven, liquid permeable topsheet, a liquid impermeable backsheet, and an absorbent core disposed at least partially intermediate the topsheet and the backsheet. The topsheet includes a layer of fibers and has a plurality of apertures defined in the layer of fibers. At least some of the apertures have a side wall having a portion disposed an angle in the range of about 55 degrees to about 90 degrees, in the range of about 60 degrees to about 80 degrees, or in the range of about 63 degrees to about 75 degrees, according to the 2D X-Ray CT Scan Test herein.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.