Disposable diaper and absorbent member used therein
US6891080B2 · kind B2 · utility
107Cited by
11References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 23, 2003 |
| Grant date | May 10, 2005 |
| Priority date | — |
| Expiry date | May 23, 2023 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2013/530722
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A disposable diaper is provided comprising a liquid permeable topsheet, a liquid impermeable backsheet, and a liquid retentive absorbent member interposed between the topsheet and the backsheet. The absorbent member comprises, in admixture, a superabsorbent polymer A having a rate of absorption of 8 g/30 sec/0.3 g or more measured by DW method and a superabsorbent polymer B having a rate of absorption of 5 g/30 sec/0.3 g or less measured by DW method at a polymer A/polymer B weight ratio of 90/10 to 10/90. The admixture optionally further comprises fluff pulp in an amount of from 0 to 30% by weight.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.