Fluid absorbing article utilizing a flow control cover sheet
US5257982A · kind A · utility
94Cited by
30References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 21, 1992 |
| Grant date | Nov 2, 1993 |
| Priority date | — |
| Expiry date | Oct 21, 2012 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2013/8467
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A nonwoven fabric having flow control properties suitable for use in a fluid absorbing article such as a diaper, incontinence pad, or the like; and a process for preparation thereof by utilizing unbonded carded staple fiber elements or webs having different average dpf values compiled in graduated order from high-to-low average dpf, then compressed and bonded to a desired constant fabric density.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.