Disposable absorbent article with improved topsheet
US7597689B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 7, 2003 |
| Grant date | Oct 6, 2009 |
| Priority date | — |
| Expiry date | Feb 7, 2025 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F13/513
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A disposable absorbent article with a backsheet and a first topsheet, is capable of being at least partially in contact with the wearer's skin when in use. The first topsheet being a fibrous three-dimensional web, having bonded regions where the fibers are bonded to another, and unbonded regions, where the fibers are unbonded to one another. The fibers extend from at least one unbonded region into at least two bonded regions, typically in the form of loops. The bonded regions form the support structure for the unbonded regions, and the surface area of the unbonded regions is at least 2 mm2. The topsheet has a thickness (caliper) of between 0.1 and 5 mm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.