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Home › Diazo type recording material utilizing microencapsulated diazo compound, a coupler and a hydroxyphenylsulfone derivative

Diazo type recording material utilizing microencapsulated diazo compound, a coupler and a hydroxyphenylsulfone derivative

US Patent 5328796 · Granted Jul 12, 1994

Estimated economic value: $62,000 ⓘ

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