Disposable diaper with improved leak prevention properties
US7520874B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 20, 2006 |
| Grant date | Apr 21, 2009 |
| Priority date | — |
| Expiry date | Feb 16, 2027 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F13/49017
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A disposable diaper comprising a fluid-permeable topsheet, a fluid-impermeable backsheet and a fluid-retentive absorbent core interposed between the topsheet and the backsheet, the disposable diaper being formed in a substantially vertically elongated configuration and having a stomach side, a back side and a crotch region positioned between the stomach side and the back side, wherein a second absorbent core is disposed at an outside region of each opposite side edge of the absorbent core at the crotch region along a longitudinal direction of the diaper, and an elastic member is disposed at the region where the second absorbent core is disposed along a longitudinal direction of the diaper.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.