Vapor-permeable, substantially water-impermeable multilayer article
US11123965B2 · kind B2 · utility
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17Claims
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Key dates
| Filing date | Jun 24, 2019 |
| Grant date | Sep 21, 2021 |
| Priority date | — |
| Expiry date | Nov 12, 2039 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/678
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
This disclosure relates to an article (e.g., a vapor-permeable, substantially water-impermeable multilayer article) that can include a nonwoven substrate and a film supported by the nonwoven substrate. The film can include a polyolefin grafted with an anhydride, an acid, or an acrylate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.