Absorbent article comprising microporous film
US6328723A · kind A · utility
5Cited by
8References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 8, 2000 |
| Grant date | Dec 11, 2001 |
| Priority date | — |
| Expiry date | Sep 8, 2020 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2013/51419
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An absorbent article having a breathable microporous film is disclosed. The breathable microporous film is made by stretching a mixture of a thermoplastic resin and inorganic fillers at least in one direction. At least a part of the breathable microporous film is deformed such that Z number specified by equation (1) is 3.0 or above, wherein MS: average material strain at break of breathable microporous film; AS: average applied strain for deformation; N: neck down prevention coefficient; .sigma.MS: standard deviation of material strain at break; .sigma.AS: standard deviation of applied strain.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.