Absorbent article comprising an absorbent structure
US7850672B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 26, 2004 |
| Grant date | Dec 14, 2010 |
| Priority date | — |
| Expiry date | Nov 24, 2024 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F13/539
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An absorbent article such as a diaper, an incontinence guard, a sanitary napkin or the like, includes a liquid permeable upper surface and an absorbent structure, which in the longitudinal direction exhibits a crotch portion and two end portions, wherein the absorbent structure has an acquisition layer and at least one first storage layer. The first storage layer has at least 50 percent by weight of a super absorbent material calculated on the total weight of the first storage layer. The material of the first storage layer in a dry condition has a density exceeding 0.4 g/cm3. Further, the first storage layer at least in the crotch portion of the absorbent structure has apertures or recesses.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.