Breathable elastic film and laminate
US5932497A · kind A · utility
151Cited by
40References
63Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 15, 1997 |
| Grant date | Aug 3, 1999 |
| Priority date | — |
| Expiry date | Sep 15, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/3854
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A soft, breathable elastic laminate of an elastic film loaded with a filler having a particle size suitable for pore formation and stretched in at least two directions to form a plurality of micropores bonded to a nonwoven web. In accordance with one embodiment, the elastic film is water vapor impermeable prior to being stretched.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.