Absorbent body in absorbent article and method for producing the same
US9622923B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 17, 2013 |
| Grant date | Apr 18, 2017 |
| Priority date | — |
| Expiry date | Oct 17, 2033 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2013/5307
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An absorbent body in absorbent articles that causes exudates to disperse in a planar direction and a method of producing the same. The absorbent body has an absorbent core material covered with a cover sheet. The core material has a mass per unit area of 650 g/m2 or less and includes a first liquid absorbent layer containing hydrophilic fibers and superabsorbent polymer particles in a mixed state and a second liquid absorbent layer containing the hydrophilic fibers but none of the superabsorbent polymer particles, wherein the first liquid absorbent layer and the second liquid absorbent layer are overlap with each other and the hydrophilic fibers are in contact with each other between the first liquid absorbent layer and the second liquid absorbent layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.