Absorbent article
US5891118A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 29, 1996 |
| Grant date | Apr 6, 1999 |
| Priority date | — |
| Expiry date | Aug 29, 2016 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61L15/52
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A substantially elongated absorbent article having a liquid permeable topsheet, a liquid impermeable backsheet, an absorbent member interposed between the topsheet and the backsheet, and a pair of hydrophobic areas along opposing longitudinal side portions of an upper surface of the absorbent article inwardly from longitudinal side edges of the absorbent article, the hydrophobic areas each having a continuous or discontinuous antileakage groove formed along a respective one of the longitudinal side portions, wherein a width of each of the antileakage grooves is from 0.1 mm to 20 mm, a ratio of a depth of each of the antileakage grooves with respect to a thickness of a portion of the absorbent article where no antileakage groove is formed is from 0.01 to 0.8, and the depth of each of the antileakage grooves is from 0.1 mm to 12 mm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.