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Home › AZO Dyes from 2-sulfonated, sulfated or thiosulfated organothiothiadiazole and aniline, tetrahydroquinoline, or benzomorpholine couplers

AZO Dyes from 2-sulfonated, sulfated or thiosulfated organothiothiadiazole and aniline, tetrahydroquinoline, or benzomorpholine couplers

US Patent 4407749 · Granted Oct 4, 1983

Estimated economic value: $11,185,000 ⓘ

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