Absorbent article having passage holes in a central region
US7628777B2 · kind B2 · utility
14Cited by
21References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 9, 2002 |
| Grant date | Dec 8, 2009 |
| Priority date | — |
| Expiry date | Aug 14, 2023 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2013/53782
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An absorbent article is elongated to have longitudinally opposed front and rear edges and transversely opposed left and right edges. The absorbent article includes a stack of: a backsheet having a liquid barrier effect; a liquid absorbent layer; a hydrophilic intermediate sheet including fibers; and a hydrophilic topsheet including fibers. The absorbent article has a central region of a predetermined width, which is spaced apart from the left and right edges and formed with a plurality of liquid passage holes continuously extending from the topsheet to the intermediate sheet.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.