Disposable absorbent articles
US5286770A · kind A · utility
85Cited by
16References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 13, 1991 |
| Grant date | Feb 15, 1994 |
| Priority date | — |
| Expiry date | Aug 13, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2201/06
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
An absorbent article, such as diapers and the like, comprises a liquid pervious topsheet, a liquid impervious backsheet joined with said topsheet and an absorbent core positioned between said topsheet and said backsheet, said backsheet comprising a flexible starch based film comprising starch, a synthetic thermoplastic polymer of at least one ethylenically insaturated monomer, said polymer having repeating units provided with at least a polar group, wherein the starch and the polymer form an at least partially interpenetrated network, and moisture.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.