Inventor
LOEWE ISOLDE
DE4 patents
Patents
4 patentsUS5766576AJun 16, 1998
Oxidation hair dye compositions containing 3,4,5-triaminopyrazole derivatives and 3,4,5-triaminopyrazole derivatives
WELLA AG566 citations97
US5718731AFeb 17, 1998
Oxidation hair dye composition based on 4,5-diaminopyrazole and m-phenylenediamine derivatives
WELLA AG59 citations94
US5132461AJul 21, 1992
Process for the production of 4-[ethyl-(2'-hydroxyethyl)-amino]-1-[(2'-hydroxyethyl)-amino]-2-nitro-benzene
WELLA AG2 citations61
US4900869AFeb 13, 1990
Process for the production of 4-[ethyl-(2'-hydroxyethyl)-amino]-1-[(2'-hydroxyethyl)-amino]-2-nitrobenzene
WELLA AG0 citations50