Absorbent article with perforated top sheet
US6548158B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 19, 2000 |
| Grant date | Apr 15, 2003 |
| Priority date | — |
| Expiry date | May 22, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/674
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Provided is an absorbent article including an absorbent layer and a top sheet having a number of perforations and disposed on a body facing surface of the absorbent layer. The top sheet is made of a multi-layered resin film having at least two resin layers composing of an outer resin layer exposed outside the body facing surface and at least one inner resin layer disposed nearer to the absorbent layer than the outer resin layer thereto. At least, the outer resin layer contains a particulate material having a mean particle size of from 2 &mgr;m to 20 &mgr;m, and the inner resin layer has the resin density smaller than that of the outer resin layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.