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Therachemie Chemische Therapeutische GmbH
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Therachemie Chemische Therapeutische GmbH
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Publication of ES303890A1publicationCriticalpatent/ES303890A1/en
Procedure for dyeing the hair, characterized in that the hair is treated with agents that contain, as a coloring component, aminoanthraquinone dyes of the following type: A. of the general formula ** (See formula) ** where R = a hydrogen atom or a lower alkyl radical with 1 to 3 carbon atoms and X means an aliphatic radical with 1 to 6 carbon atoms or a phenyl radical, which also contains in addition a water-solubilizing group, and/or B. aminoanthraquinone dyes lacking in the nucleus of acidic groups and containing, in an aliphatic chain or in a heterocyclic ring, a hydrocarbon radical, linked by means of an oxygen or nitrogen atom to the anthraquinonic radical and provided with an atom of secondary or tertiary nitrogen. (Machine-translation by Google Translate, not legally binding)
ES0303890A1963-09-041964-09-03Procedure to dye the hair. (Machine-translation by Google Translate, not legally binding)
ExpiredES303890A1
(en)