Absorbent laminate with multiple substrates
US10806643B2 · kind B2 · utility
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34References
13Claims
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Key dates
| Filing date | Feb 2, 2016 |
| Grant date | Oct 20, 2020 |
| Priority date | — |
| Expiry date | Feb 7, 2038 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2013/53908
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The present invention relates to an absorbent laminate structure, and disposable absorbent article incorporating the structure, wherein first and second absorbent matrices comprising particulate superabsorbent polymeric material and filamentary adhesive are arranged between two outer substrate layers. The relatively porous, intermediate or central substrate layer, positioned between the absorbent matrices, promotes liquid transport within the laminate structure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.