Water vapor permeable breathable films and their use
US6001464A · kind A · utility
10Cited by
4References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 30, 1993 |
| Grant date | Dec 14, 1999 |
| Priority date | — |
| Expiry date | Sep 30, 2013 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31786
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The invention relates to an extruded single-layer copolyetherester film with improved permeability to water vapor coupled with favorable mechanical properties, high elasticity and good surface slip so that it does not block on machinery.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.