Absorbent article
US5738669A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 6, 1995 |
| Grant date | Apr 14, 1998 |
| Priority date | — |
| Expiry date | Dec 6, 2015 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2666/04
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An absorbent article (1) having a moisture permeable sheet coated with an adhesive agent is characterized in that: the sheet comprises a porous sheet obtainable by preparing, a melt blended solution comprising, a crystalline polyolefin and a compound with which the polyolefin is miscible and in which the polyolefin will dissolve at or above the melting point of the polyolefin but which will phase separate below the melting point of the polyolefin, molding the solution into a sheet, and stretching the sheet at least in one direction to form micropores; and the sheet has a moisture permeability of 0.5 to 4 g/100 cm.sup.2.h, a tensile load at 3% elongation in the transverse direction of 100 to 300 g/cm, a bulk softness of 55 g or less, a break strength of 250 g/cm or more, and a reduction in reflectance on the area coated with the adhesive agent of 20% or less.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.