Inventor

KONRAD EUGEN

DE45 patents

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

KONRAD EUGEN

WELLA AG

Cosmetic agent on the basis of quaternary chitosan derivatives, novel quaternary chitosan derivatives as well as processes for making same

Method for the coloring of hair

Oxidative hair dye composition based on a gel vehicle and a process to dye hair

Composition and method for the oxidative dyeing of hair

Hair treating compositions and processes for improving the condition of hair

Oxidative hair dyeing composition based upon a carrier of low viscosity

Oxidative hair dye composition based on 4-amino-2-aminomethyl-phenols

Cosmetic compositions based upon N-hydroxypropyl-chitosans, new N-hyroxypropyl-chitosans, as well as processes for the production thereof

Cosmetic compostions based upon N-hydroxybutyl-chitosans, N-hydroxybutyl-chitosans as well as processes for the production thereof

Process for making quaternary chitosan derivatives for cosmetic agents

Quaternary hydroxy-propyl-substituted chitosan derivatives, cosmetic compositions based thereon and processes for the production thereof

Hair treatment agent and method for improving the conditon of hair

Process for the permanent shaping of the regrowth of hair and composition therefore

Hair shampoo and conditioning lotion

Hair setting lotion containing a chitosan derivative

Agent for dyeing hair

Reducing the alkali concentration in hair treating compositions

Use of 2,6-dinitro-aniline derivatives in hair dyes and new 2,6-dinitro-aniline derivatives

5-alkoxy-2,4-diamino-alkyl-benzenes and hairdye compositions based on 5-alkoxy-2,4-diamino-alkyl-benzenes

2-nitroaniline derivatives

Quaternary hydroxyethyl-substituted chitosan derivatives, cosmetic compositions based thereon and processes for the production thereof

2-alkyl sulfonyl-1,4-diaminobenzenes, processes for their production and oxidation hair dyeing compositions containing the same

1,4-diamino-5-chloro-2-nitrobenzene derivatives, processes for their production and compositions containing the same for the coloration of hair

3-Amino-5-hydroxypyridine derivatives and hair coloring compositions containing the same

Novel 2-hydroxy-4-aminobenzenes, method for their manufacturing and hair coloring agents containing these compounds

Hair dyeing agent

Process for permanently shaping hair

Preserved hair-and body-cleaning agent and the use of a preservative combination

Cosmetic compositions on the basis of alkyl-hydroxypropyl-substituted chitosan derivatives, new chitosan derivatives and processes for the production thereof

1,3-Diamino-4-(2&#39;,2&#39;,2&#39;,-trifluoroethoxy)-benzene, method of producing the same, and hair coloring composition containing the same

Acid tenside-anion solution of chitosan and its use in cosmetic preparations

Hair dye compositions based on 2,5-diamino-6-nitropyridine derivatives

2-nitroaniline derivatives and hair dyeing compositions containing same

Process for the production of 2,5-diamino-6-nitro-pyridine derivatives, their use in hair dye compositions and new 2,5-diamino-6-nitropyridine derivatives

4-(N-ethyl-N-2-hydroxyethyl)-amino-1-(2 hydroxyethyl)-amino-2-nitrobenzene and compositions for dyeing hair containing the same

Diaminotetrafluoroethoxybenzenes, process for producing same and hair coloring agents containing same

Diaminotetrafluoroethoxybenzenes

Agent and process for the coloring of hair

Method and composition for the dyeing of hair with 2,6-diamino-pyridine derivatives

Use of p-ureidoalkylamino-nitrobenzene derivatives in hair dyeing compositions and new p-ureidoalkylamino-nitrobenzene derivatives

Hair dyeing composition and process

Method and composition for hair coloring

WELLA AKTIENGSELLSCHAFT

Cosmetic composition for treating skin and hair containing apple wax and methods of making them

Cosmetic compositions based upon n-hydroxypropyl-chitosans, new n-hydroxypropyl-chitosans, as well as processes for the production thereof

HENKEL KGAA

Pumpable cationic fatty alcohol despersion

1,3-Diamino-4-(2',2',2',-trifluoroethoxy)-benzene, method of producing the same, and hair coloring composition containing the same