Agent and method for dyeing keratin fibers
AssigneeWella Aktiengesellschaft
InventorsCecile Pasquier, Veronique Charriere, Hans-Jurgen Braun
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AssigneeWella Aktiengesellschaft
InventorsCecile Pasquier, Veronique Charriere, Hans-Jurgen Braun
Estimating the term…
The present invention relates to a fiber-dyeing agent (A) prepared by mixing two components (A1) and (A2), said agent being characterized in that component (A1) contains at least one compound of formula (I) 1 wherein X denotes a halogen atom, a methoxy group or an ethoxy group; Y denotes an oxygen atom, a sulfur atom or a selenium atom; R1 and R2 are equal or different and independently of each other denote hydrogen, a halogen atom, a (C1-C4)-alkyl group, a halogen-substituted (C1-C4)-alkyl group, a (C1-C4)-alkoxy group, a nitro group, an acetamido group or an NRaRb group, wherein the Ra and Rb groups are equal or different and independently of each other denote hydrogen, a (C1-C4)-alkyl group, an optionally substituted aromatic carbon ring or a (C1-C4)-alkanecarbonyl group, or Ra and Rb together with the nitrogen atom form a heterocyclic (C3-C6) group, and component (A2) contains at least one compound from the group consisting of amines, aminonitrobenzenes and phenols; to a method for dyeing hair by use of said agent, and to a multicomponent kit.
Fiber-coloring agent (A) prepared by mixing two components (A1) and (A2), characterized in that component (A1) contains at least one compound of formula (I)
Use of a combination of at least one compound of formula (I)
Dependencies are inferred from the claim text.