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Home › Process for the preparation of 3-hydroxy-N-benzimidazolon-5-yl-2-naphthamide in the high purity required of azo pigments

Process for the preparation of 3-hydroxy-N-benzimidazolon-5-yl-2-naphthamide in the high purity required of azo pigments

US Patent 5756757 · Granted May 26, 1998

Estimated economic value: $212,000 ⓘ

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