Substituted 1,3-diaminobenzenes, processes for their preparation and coloring agents, containing these, for keratin fibers
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United States of America Patent
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Jan 7, 1992
Grant Date -
N/A
app pub date -
Feb 8, 1991
filing date -
Feb 9, 1990
priority date (Note) -
Expired
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Abstract
Compounds of formula I are disclosed: ##STR1## and their salts with inorganic and organic acids, wherein either X denotes H and Y denote OR or HNR, or X denotes OR or NHR and Y denotes H, and R represents hydroxy(C.sub.2 -C.sub.3) alkyl, 2,3-dihydroxypropyl, methoxy(c.sub.2 -C.sub.3) alkyl, tetrahydrofurylmethyl or tetrahydropyrylmethyl. Processes are described for the preparation of compounds of formula I as well as aqueous coloring agents for keratin fibers, such as fur and human hair, containing at least one compound of formula I as the coupler and at least one developing component, as well as customary additives and auxiliaries.
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