Layered absorbent structure with wicking performance
US10813799B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | May 8, 2015 |
| Grant date | Oct 27, 2020 |
| Priority date | — |
| Expiry date | Apr 22, 2038 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T156/1023
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The present invention relates to a layered absorbent structure in the form of a laminate including liquid storage layers comprising particulate superabsorbent material and adhesive fibers. Notably, the absorbent structure includes a wicking layer positioned between the liquid storage layers, with the wicking layer desirably acting to improve fluid spreading and rewet performance of the absorbent structure. The wicking layer preferably comprises airlaid cellulosic fibrous material such as wood pulp, and may optionally include superabsorbent polymer. A bonding pattern of the wicking layer is oriented to enhance wicking and rewet performance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.