Body exudates absorbent article having exposed zone of alternating troughs or crests
US6375644B2 · kind B2 · utility
113Cited by
19References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 2, 1999 |
| Grant date | Apr 23, 2002 |
| Priority date | — |
| Expiry date | Jun 2, 2019 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F13/51104
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A body exudates absorbent article including a liquid-absorbent core having transversely opposite side edges extending in parallel to each other in a longitudinal direction of the article, a liquid-pervious topsheet covering an upper surface of the core and a liquid-impervious backsheet covering a lower surface of the core, the topsheet being formed in a zone covering the core with a plurality of alternating troughs and crests continuously undulating in a transverse direction of the article and these troughs and the crests extending in the longitudinal direction, and thereby maintaining an initial soft elasity of the topsheet.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.