Absorbent body in an absorbent product
US6037518A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 21, 1996 |
| Grant date | Mar 14, 2000 |
| Priority date | — |
| Expiry date | May 21, 2016 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2013/53778
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Absorbent body in an absorbent product such as a diaper, incontinence pad, sanitary napkin or the like, and which comprises a liquid acquisition portion (13; 11, 13) and a liquid storage portion (12) adjacent thereto. The liquid acquisition portion has at least one well (13) which is located at the assumed wetting area of the absorbent body and extends into and through the liquid storage portion (12) and is in liquid communication with a liquid wicking layer (14) arranged under the liquid storage layer (12). The material in the liquid acquisition portion (13; 11, 13) has a mean pore size which is greater than the mean pore size in the liquid storage portion (12). The absorbent body has a high instantaneous absorption even during repeated wetting and a low rewetting.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.