Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Patent
1992-11-10
1994-06-07
Anderson, Harold D.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
At least one aryl ring which is part of a fused or bridged...
264344, 427336, 4284111, 4284744, 524606, 524612, C08L 7710, C08L 7900
Patent
active
053190130
ABSTRACT:
Aramid and polybenzimidazole fibers and films of improved flame resistance are obtained by impregnation with tungsten hexachloride.
REFERENCES:
patent: 3458470 (1969-07-01), Edgar et al.
patent: 3954703 (1976-05-01), Turnbull
Kasowski Robert V.
Lee Kiu-Seung
Anderson Harold D.
E. I. Du Pont de Nemours and Company
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