Cloth for protection against flames
US4868041A · kind A · utility
52Cited by
4References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 9, 1988 |
| Grant date | Sep 19, 1989 |
| Priority date | — |
| Expiry date | Feb 9, 2008 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/444
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Cloth for protection against flames which comprises woven or knitted composite yarns wherein wholly aromatic polyamide fibers of a general formula; EQU --NHAr.sub.1 NHCOAr.sub.2 CO-- and/or --NHAr.sub.3 CO-- wherein Ar.sub.1, Ar.sub.2 and Ar.sub.3 are independently bivalent aromatic groups, respectively, are disposed as cores and flameproofed cellulosic fibers and/or wool fibers are disposed around said cores.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.