Absorbent article
US6506959B2 · kind B2 · utility
38Cited by
3References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 29, 2001 |
| Grant date | Jan 14, 2003 |
| Priority date | — |
| Expiry date | Mar 29, 2021 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2013/530802
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An absorbent article comprising a liquid permeable topsheet, a liquid impermeable backsheet, and a liquid retentive absorbent layer is disclosed. The absorbent layer comprises a superabsorbent polymer and hydrophilic fiber or foam that does not swell with water or hydrophilic fiber or foam that has a water retention of 0.7 g/g or less when it is swollen with water and then dewatered by centrifugation. The absorbent article has a physiological saline fixing ratio of 90% or more when it absorbs 10 g of physiological saline and, after 5 minutes, is dewatered by centrifugation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.