Composition having excellent permeability to water vapour
US11603463B2 · kind B2 · utility
0Cited by
3References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 20, 2019 |
| Grant date | Mar 14, 2023 |
| Priority date | — |
| Expiry date | May 2, 2039 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2312/00
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A novel composition including at least one styrene-block copolymer, at least one plasticiser, and particles of a cross-linked polymer having a carboxylate-group density between 2.0 and 12.0 meq/g and an average pore size between 0.005 and 1.0 μm, usable in particular for creating an elastomer matrix suitable for any device of the type device for medical aims such as a patch, a film, a strip or a dressing, preferably a dressing, intended to be applied onto the skin or suitable for any device of the functional textile type such as a sports item.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.