Two layer absorbent article with super water-absorbing polymer
US4364992A · kind A · utility
99Cited by
4References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 12, 1981 |
| Grant date | Dec 21, 1982 |
| Priority date | — |
| Expiry date | Jun 12, 2001 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/56
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An absorbent article comprising an upper, first, absorbing layer formed so that its density under a load of 35 g/cm.sup.2 is lower than 0.045 g/cm.sup.3 both in the dry state and in the wet state and the weight per square meter is 15 to 50 g, and a lower, second, absorbing layer having a super water-absorbing polymer fixed thereto.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.