Absorbent article with inversely related gradients
US5462537A · kind A · utility
29Cited by
45References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 31, 1991 |
| Grant date | Oct 31, 1995 |
| Priority date | — |
| Expiry date | Jul 31, 2011 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2013/53097
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An absorbent article is provided with inversely related basis weight and density gradients for absorbing and retaining body liquids. A central target area of the absorbent article has an average higher basis weight and a lower average density than end areas. Superabsorbent material is selectively disposed within the article.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.