Absorbent articles having fluid contact angle gradients
US6232521A · kind A · utility
37Cited by
14References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 25, 1998 |
| Grant date | May 15, 2001 |
| Priority date | — |
| Expiry date | Jun 25, 2018 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F13/5146
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The present invention relates to a disposable absorbent article (1) comprising a liquid pervious top sheet (2), an absorbent core (4), and a back sheet (3). Said back sheet comprises a fluid permeable polymeric film having uni-directional fluid transfer towards the core, and said core comprising a fluid storage layer, wherein said absorbent article exhibits a fluid contact angle gradient across said storage layer and said back sheet.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.