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Home › Composition for hair dyeing comprising condensates of quinoline-5, 8-diones or of quinoxaline-5,8-diones and substituted pyrroles, anilines or indoles

Composition for hair dyeing comprising condensates of quinoline-5, 8-diones or of quinoxaline-5,8-diones and substituted pyrroles, anilines or indoles

US Patent 6391064 · Granted May 21, 2002

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