Highly efficient surge material for absorbent articles
US5879343A · kind A · utility
37Cited by
127References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 22, 1996 |
| Grant date | Mar 9, 1999 |
| Priority date | — |
| Expiry date | Nov 22, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/698
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
There is provided a surge material for personal care products which is a wettable web of fibers of 30 microns in diameter or less where the web has a permeability between about 250 and 1500 Darcys, a capillary tension between about 1.5 and 5 cm, and which maintains that permeability and capillary tension over the life of the web. Its preferred that the web have a density between about 0.02 g/cc to about 0.07 g/cc.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.