Porous sheet and absorbent article using the same
US5849001A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 2, 1996 |
| Grant date | Dec 15, 1998 |
| Priority date | — |
| Expiry date | Feb 2, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/249979
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The porous sheet obtainable by stretching, in at least one direction, a sheet formed from a melt mixture of a resin composition comprising: PA1 100 parts by weight of a resin mixture consisting of 63 to 90 parts by weight of a crystalline polyolefin resin, and 37 to 10 parts by weight of a compound having a volatile temperature at an ambient pressure of 240.degree. C. or higher and a melting temperature of 90.degree. C. or lower; and PA1 7 to 40 parts by weight of a particulate material having an average particle diameter of 0.3 to 8 .mu.m and a maximum particle diameter of 13 .mu.m or smaller, the particulate material being not melted at the molding temperature of the resin mixture is disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.