Multilayer composite protective fabric material and use in protective clothing
US4943475A · kind A · utility
64Cited by
11References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 23, 1986 |
| Grant date | Jul 24, 1990 |
| Priority date | — |
| Expiry date | Jul 23, 2006 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/2549
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A multilayer composite fabric material consisting of a woven or non-woven fabric support, a microporous membrane layer, and an ultrathin permselective surface coating, and optionally an intermediate sealing layer and a protective top layer; the material being freely permeable to water vapor but impermeable to toxic organic vapors. The material is suitable for fabricating protective clothing for use in industrial and military hazardous chemical enviornments.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.