Absorbent body in an absorbent product
US5961506A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 21, 1996 |
| Grant date | Oct 5, 1999 |
| Priority date | — |
| Expiry date | May 21, 2016 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2013/53765
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An absorbent body for use in an absorbent product such as a diaper, incontinence pad, sanitary napkin or the like and which comprises a liquid acquisition portion and a liquid storage portion adjacent thereto. The liquid acquisition portion has a cover layer which covers at least substantial portions of the liquid storage portion and at least one portion which is located at the assumed wetting area of the absorbent body and extends into the underlying liquid storage portion. The material in the liquid acquisition portion has a mean pore size which is greater than the mean pore size of the liquid storage portion. The absorbent body has a high instantaneous absorption, even upon repeated wetting and a low rewetting.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.