Absorbent nonwoven webs
US4985298A · kind A · utility
30Cited by
5References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 2, 1989 |
| Grant date | Jan 15, 1991 |
| Priority date | — |
| Expiry date | Oct 2, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/696
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Highly absorbent nonwoven webs formed from readily available nonwoven materials and having a polyelectrolyte super-absorbent polymeric sorbent coating the individual fibers of the nonwoven web are disclosed. The polymeric sorbent coating absorbs liquid while minimizing occlusion of the interstices of the web.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.