Unitary absorbent material for use in absorbent structures
US6465379B1 · kind B1 · utility
34Cited by
103References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 29, 1999 |
| Grant date | Oct 15, 2002 |
| Priority date | — |
| Expiry date | Jun 29, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/699
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A layered composite suitable for disintegration into superabsorbent cellulose fluff suitable for use as a core material in an absorbent product. The composite includes a wetlaid web of cellulosic fibers; a layer of superabsorber disposed on the wetlaid web; a drylaid cellulosic layer disposed on the superabsorber layer; wherein the layer of superabsorbent particles comprises greater than 50 percent by weight of the composite; and the drylaid cellulosic layer does not include a bonding agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.