Absorbent with half section of gelling material
US5873867A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 10, 1997 |
| Grant date | Feb 23, 1999 |
| Priority date | — |
| Expiry date | Jan 10, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2013/530525
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An absorbent structure is described having an absorbent material layer of fibrous or foamed material, a front half section, a back half section, and absorbent gelling material, wherein more than half the weight of the absorbent gelling material is disposed in the back half section of the absorbent structure. The absorbent structure may include an acquisition/distribution layer having a surface overlying said absorbent material layer, wherein more than half of the surface is disposed in the back half section of the absorbent structure. The absorbent material layer of the absorbent structure may also have a back half section with a higher caliper than the caliper of the front half section of the absorbent material layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.