Inventor

BALZER WOLFGANG R

DE18 patents

⚠️ This page may combine multiple inventors who share the name “BALZER WOLFGANG R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

BALZER WOLFGANG R

WELLA AG

Composition for the oxidative dyeing of hair containing 4,5-diaminopyrazole derivatives as well as new 4,5-diaminopyrazole derivatives and process for their synthesis

Hair dye containing aminopyrazole derivatives as well as pyrazole derivatives

Oxidation hair dye compositions containing 3,4,5-triaminopyrazole derivatives and 3,4,5-triaminopyrazole derivatives

Two component composition and method for bleaching hair

Oxidation hair dye composition based on 4,5-diaminopyrazole and m-phenylenediamine derivatives

N-phenylaminopyrazole derivatives as well as composition and process for the dyeing of hair

Oxidation hair dye with a content of 5-aminophenyl derivatives, process for oxidative dyeing of hair and new 5-aminophenol derivatives

Apparatus for bleaching hair under the influence of light

Process for bleaching hair under the influence of light

Process for making a persulfate-containing granulate for decolorizing or bleaching hair

Composition for bleaching hair

Composition for the oxidative dyeing of hair and new 5-halogen-2,4-diamino alkylbenzenes

Carrier composition for oxidative dyeing of hair and method of dyeing hair using same

Process for the production of 5-alkoxy-2,4-dinitro-alkylbenzenes

5-halogen-2,4-Bis (alkylamino)-1-alkylbenzenes and hair dye compositions containing same

WELLA AKTIENGESELLSCHAT

Process for the synthesis of 4,5-diaminopyrazole derivatives useful for dyeing hair

Oxidation hair dye compositions containing developers, couplers, and AZO dyes

(unassigned)

Substituted 2-alkylamino-4-amino-1-alkylbenzene compounds and oxidation hair dye compositions based on said compounds