Inventor
MEINIGKE BERND
DE12 patents
Patents
12 patentsUS6284003B1Sep 4, 2001
Oxidation colorants comprising 2-(2,5-diaminophenyl)-ethanol compounds and 2-chloro-6-methyl-3-aminophenol compounds
HENKEL KGAA445 citations98
US6660045B1Dec 9, 2003
Hair colorant preparation
HENKEL KGAA76 citations95
US6165230ADec 26, 2000
1,4-diazacycloheptane derivatives and their use in hair oxidation dyes
HENKEL KGAA28 citations92
US6203579B1Mar 20, 2001
Use of 1-substituted isatins to dye fibers containing keratin
HENKEL KGAA14 citations74
US5752984AMay 19, 1998
Use of 1,2,3,4-tetrahydroquinoxalines as oxidation dye precursors in oxidative coloring formulations
HENKEL KGAA14 citations73
US6863698B1Mar 8, 2005
Agent for dyeing keratin containing fibers
HENKEL KGAA5 citations62
US6835211B1Dec 28, 2004
Direct hair dyes and use thereof
HENKEL KGAA5 citations62
US6635241B1Oct 21, 2003
Aminophenol derivatives and their use in oxidative hair dyes
HENKEL KGAA5 citations62
US7081140B2Jul 25, 2006
Developer components and their use for dyeing keratinic fibers
HENKEL KGAA3 citations61
US7198648B2Apr 3, 2007
Coupling component for oxidative hair dyes
HENKEL KGAA1 citations52
US6814761B1Nov 9, 2004
Direct hair colorants
HENKEL KGAA0 citations52
US7135047B2Nov 14, 2006
M-phenylenediamine derivatives as coupler components for the coloring of keratinic fibers
HENKEL KGAA0 citations41