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Home › Composition comprising at least one mixed dye based on at least one chromophore of azo or tri(hetero) arylmethane type, dyeing process and mixed dyes.

Composition comprising at least one mixed dye based on at least one chromophore of azo or tri(hetero) arylmethane type, dyeing process and mixed dyes.

US Patent 7300471 · Granted Nov 27, 2007

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