Breathable composite barrier fabric and protective garments made thereof
US6286145A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 22, 1999 |
| Grant date | Sep 11, 2001 |
| Priority date | — |
| Expiry date | Dec 22, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/659
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A breathable composite barrier fabric for protective garments including a low-strength nonwoven web; a high-strength nonwoven web containing multicomponent fibers that have a first polyolefin component and a second polyamide component, the high-strength web having a grab tensile strength of at least 1.5 times the low strength web; and a water impermeable barrier layer positioned between the low-strength web and high-strength web, the webs and barrier layer being joined by thermal bonding. Protective garments may be constructed from the breathable composite barrier fabrics. The low-strength nonwoven web is on the bodyside of the garment and the high-strength nonwoven web is on the exterior of the garment.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.