Flexible liquid absorbing structure
US8314286B2 · kind B2 · utility
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5References
1Claims
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Assignee
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Key dates
| Filing date | May 23, 2003 |
| Grant date | Nov 20, 2012 |
| Priority date | — |
| Expiry date | May 6, 2026 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2013/15373
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A thin, flexible absorbent structure comprising a flexible substrate and an aqueous liquid absorbing material disposed on said substrate, wherein said aqueous liquid absorbing material comprises a homogeneous mixture of a hot melt adhesive and an aqueous liquid absorbing polymer, wherein the aqueous liquid absorbing polymer is present in the mixture in an amount greater than 1% by weight of the mixture and the aqueous liquid absorbing structure has an absorbency greater than about 5 g/g, and a Gurley Stiffness less than about 400 mg and a caliper less than about 4 mm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.