Use, as a coupler, of 2,4-diamino-1,3-dimethoxybenzene or one of its salts, in combination with oxidation dye precursors, for dyeing human hair, hair dyeing composition containing the said coupler and process for preparing the said coupler
A Standard patent application filed on 27 May 1988 credited to Junino, Alex
;
Lang, Gerard
;
Borowiak, Herve
;
Vandenbossche, Jean-Jacques
Details
Application number :
16731
Application type :
Standard
Application status :
CEASED
Under opposition :
No
Proceeding type :
Invention title :
Use, as a coupler, of 2,4-diamino-1,3-dimethoxybenzene or one of its salts, in combination with oxidation dye precursors, for dyeing human hair, hair dyeing composition containing the said coupler and process for preparing the said coupler