Absorbent layer structure
US7888548B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 28, 2006 |
| Grant date | Feb 15, 2011 |
| Priority date | — |
| Expiry date | Jul 25, 2029 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2013/5307
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An absorbent layer structure for use as an absorbent body in an absorbent article includes a first surface layer having cellulose fluff pulp, a second surface layer having cellulose fluff pulp, and an inner layer arranged between the surface layers having a mixture of cellulose fluff pulp and 5-90% by weight superabsorbent material, the cellulose fluff pulp in the surface layers having a mat strength which is lower than the mat strength in the inner layer by at least 1 N measured at a weight per unit area of 300 g/m2 and a bulk of 4.5 cm3/g or less and preferably a mat strength which is lower than the mat strength in the inner layer by at least 2 N measured at a weight per unit area of 300 g/m2 and a bulk of 4.5 cm3/g or less.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.