Absorbent article comprising improved edge barriers comprising a liquid absorbent thermoplastic composition
US7404810B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 5, 2005 |
| Grant date | Jul 29, 2008 |
| Priority date | — |
| Expiry date | Nov 1, 2025 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F13/475
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The present invention relates to absorbent articles, typically for feminine protection, comprising a topsheet, a backsheet, and an absorbent element positioned between the topsheet and the backsheet. The absorbent article also comprises edge barrier elements for intercepting fluids. The edge barrier elements comprise a liquid absorbent thermoplastic composition comprising a polymeric base material having particles of water-insoluble water-swellable absorbent material dispersed therein, and are provided with a basis weight gradient along their respective width or length in the liquid absorbing thermoplastic composition and/or in the particles of water-insoluble water-swellable absorbent material dispersed therein.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.