Vapor-permeable, substantially water-impermeable multilayer article
US9765459B2 · kind B2 · utility
2Cited by
393References
19Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 22, 2012 |
| Grant date | Sep 19, 2017 |
| Priority date | — |
| Expiry date | Feb 3, 2033 |
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 that includes a nonwoven substrate and a film supported by the nonwoven substrate. The film can include a first polymer and a polymer that is immiscible with the first polymer. The first polymer can include a polyolefin and the second polymer can include a polycycloolefin, a polymethylpentene, or a copolymer thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.