Breathable polyurethanes, blends, and articles
US6897281B2 · kind B2 · utility
84Cited by
30References
124Claims
0Family size
Assignee
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Key dates
| Filing date | Jun 19, 2002 |
| Grant date | May 24, 2005 |
| Priority date | — |
| Expiry date | Mar 1, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/2492
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A breathable polyurethane having an upright moisture vapor transmission rate (MVTR) of more than about 500 gms/m2/24 hr comprises: Coatings and films for textiles and other articles and applications using such polyurethanes have excellent breathability, i.e., high moisture vapor transmission rates (MVTR).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.