N-heteroarylmethyl-p-phenylenediamine derivatives as well as...

Details N-heteroarylmethyl-p-phenylenediamine derivatives as well as... N-heteroarylmethyl-p-phenylenediamine derivatives as well as...

2005-05-03

2005-05-03

Einsman, Margaret (Department: 1751)

Bleaching and dyeing; fluid treatment and chemical modification

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

Hair dyeing

C008S410000, C008S421000, C008S463000, C008S570000, C008S571000, C008S572000, C008S573000, C008S574000, C008S575000, C008S577000, C548S400000, C549S029000, C549S200000

Reexamination Certificate

active

06887281

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: 5540738 (1996-07-01), Chan et al.

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