N-heteroarylmethyl-p-phnylendiamine derivatives and...

Details N-heteroarylmethyl-p-phnylendiamine derivatives and... N-heteroarylmethyl-p-phnylendiamine derivatives and...

2005-02-01

2005-02-01

Einsmann, Margaret (Department: 1751)

Bleaching and dyeing; fluid treatment and chemical modification

Dyeing involving animal-derived natural fiber material ,...

Hair dyeing

C548S400000, C549S029000

Reexamination Certificate

active

06849097

ABSTRACT:
The new N-heteroarylmethyl-p-phenylenediamine derivatives have the general formula (I),Oxidation hair dyeing agents are described based on a combination of developing and coupling substance, which contain at least one N-heteroarylmethyl-phenylenediamine derivative of the formula (I), or a physiologically tolerated salt thereof.

REFERENCES:
patent: 5182941 (1993-02-01), Pan
patent: 5540738 (1996-07-01), Chan et al.
patent: 6042620 (2000-03-01), Braun
patent: 41 10 995 (1992-10-01), None
patent: 0 984 007 (2000-03-01), None

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