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Home › Water soluble contrast enhancement composition with 1-oxy-2 diazonaphthalene sulfonamide salt and polyvinyl alcohol

Water soluble contrast enhancement composition with 1-oxy-2 diazonaphthalene sulfonamide salt and polyvinyl alcohol

US Patent 4997742 · Granted Mar 5, 1991

Estimated economic value: $5,116,000 ⓘ

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