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Home › Aromatic polyamide fibers and method of printing such fibers with acid dyes in the presence of hexamethylene diamine dihydrochloride impregnated in fiber

Aromatic polyamide fibers and method of printing such fibers with acid dyes in the presence of hexamethylene diamine dihydrochloride impregnated in fiber

US Patent 5074889 · Granted Dec 24, 1991

Estimated economic value: $12,491,000 ⓘ

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