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Home › P-phenylenediamine substituted by a quaternary ammonium group and an electron withdrawing group

P-phenylenediamine substituted by a quaternary ammonium group and an electron withdrawing group

US Patent 5198584 · Granted Mar 30, 1993

Estimated economic value: $52,208,000 ⓘ

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P-phenylenediamine substituted by a quaternary ammonium group and an electron wi1992
P-phenylenediamine substituted by a quaternary ammonium group and an electron wi1992