Composition for the production of breathable-waterproof elastic film
US8835554B2 · kind B2 · utility
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8References
16Claims
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Key dates
| Filing date | Jul 4, 2008 |
| Grant date | Sep 16, 2014 |
| Priority date | — |
| Expiry date | Jun 28, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31971
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Novel articles, in particular films, made from polymers, which are elastic, impermeable to water and permeable to water vapor. Said articles are made from a composition comprising a dispersion of an elastomer in an aqueous solvent, a hydrophilic compound and a cross-linking agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.