Kationische Farbstoffe, Verfahren zu deren Herstellung und diese Verbindungen enthaltende Färbemittel
申请人:Wella Aktiengesellschaft
公开号:EP1489142A1
公开(公告)日:2004-12-22
Die vorliegende Erfindung betrifft Verbindungen der Formel (V), ein Verfahren zu deren Herstellung sowie die Verbindungen der Formel (V) enthaltende Färbemittel.
本发明涉及式(V)化合物、其制备工艺以及含有式(V)化合物的着色剂。
1-benzopyrane-derivatives and colouring agents containing the salts thereof
申请人:——
公开号:US20030196281A1
公开(公告)日:2003-10-23
The present invention concerns an agent for coloring fibers that is obtained by mixing two components—if necessary with the addition of an alkalinizing agent or an acid—said agent being characterized in that one component (component A2) contains at least one electrophilic compound and the other component (component A1) contains at least one 1-benzopyran of formula (Ia)/(Ib) or a 1-benzopyrylium derivative of formula (I),
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and a method for temporarily coloring keratin fibers whereby the hair is first colored with the aforesaid coloring agent and then, at any future time, is again decolorized with a reducing agent.
KATIONISCHE FARBSTOFFE, VERFAHREN ZU DEREN HERSTELLUNG UND DIESE VERBINDUNGEN ENTHALTENDE FÄRBEMITTEL
申请人:Wella Aktiengesellschaft
公开号:EP1397435A1
公开(公告)日:2004-03-17
1-BENZOPYRAN-DERIVATE UND DEREN SALZE ENTHALTENDE FÄRBEMITTEL
申请人:Wella Aktiengesellschaft
公开号:EP1404289A1
公开(公告)日:2004-04-07
Cationic dyes, method for the production thereof, and colouring agents containing said compounds
申请人:——
公开号:US20040039202A1
公开(公告)日:2004-02-26
The present invention concerns compounds of formula (V) and (VI), a method for producing them and colorants containing compounds of formula (V) and/or (VI).
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