Plastic and nonmetallic article shaping or treating: processes – Forming continuous or indefinite length work – Shaping by extrusion
Patent
1994-05-23
1995-02-14
Kight, III, John
Plastic and nonmetallic article shaping or treating: processes
Forming continuous or indefinite length work
Shaping by extrusion
264203, 264204, 264178F, 264344, 427343, 427352, D01F 600
Patent
active
053893263
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
patent: 4876040 (1989-10-01), Park et al.
Kasowski Robert V.
Lee Kiu-Seung
E. I. Du Pont de Nemours and Company
Kight III John
Trong Duc
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