199341-01-0Relevant articles and documents
Composition for the oxidation dyeing of keratinous fibres comprising a 5-substituted 3,4-diaminopyrazole and a halogenated meta-aminophenol
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, (2008/06/13)
A composition for the oxidation dyeing of keratinous fibers, in particular of human keratinous fibers such as hair, with at least one 5-substituted 3,4-diaminopyrazole as an oxidation base, in combination with at least one meta-aminophenol halogenated at the ortho position of the phenol as a coupler, as well as a method of dyeing using this composition with an oxidizing agent.
Diamino pyrazols, their synthesis, keratin fibre dyeing compositions containing them, keratin fibre dyeing methods
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, (2008/06/13)
PCT No. PCT/FR97/00750 Sec. 371 Date May 7, 1999 Sec. 102(e) Date May 7, 1999 PCT Filed Apr. 25, 1997 PCT Pub. No. WO97/42173 PCT Pub. Date Nov. 13, 1997The invention discloses new 5-substituted 3,4-diamino pyrazols, their methods of preparation, composit