Absorbent articles having a secondary topsheet
US11707390B2 · kind B2 · utility
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13References
19Claims
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Assignee
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Key dates
| Filing date | Jul 24, 2018 |
| Grant date | Jul 25, 2023 |
| Priority date | — |
| Expiry date | Dec 22, 2039 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2013/5127
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An absorbent article having a liquid permeable topsheet, a liquid impermeable sheet, an absorbent core disposed between the topsheet and the backsheet, and a secondary topsheet disposed between the topsheet and the absorbent core is described. The secondary topsheet has a first layer and a second layer. The first layer is located between the topsheet and the second layer, and a mean pore size of the first layer is larger than a mean pore size of the topsheet.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.