Absorbing article having honeycomb recesses on lower absorbent layer and varying layer densities
US7632979B2 · kind B2 · utility
24Cited by
14References
13Claims
0Family size
Assignee
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Key dates
| Filing date | Sep 29, 2003 |
| Grant date | Dec 15, 2009 |
| Priority date | — |
| Expiry date | Feb 12, 2024 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F13/536
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A body fluid absorbing article, which is improved in the spot absorptivity and in the diffusivity in an absorbent, and which is improved in the characteristics of a body fluid migration to the absorbent. The body fluid absorbing article comprises an absorbent sandwiched between a body fluid permeable surface member and a body fluid impermeable back member. Said absorbent includes an upper layer and a lower layer sequentially from the side of said body fluid permeable surface member, and said lower layer has a higher density than that of said upper layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.