Inventor

FRANK ANKE

DE3 patents

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

WELLA AG

2 patents

US7125427B2Oct 24, 2006

Coloring agent for keratin fibers

WELLA AG6 citations60

US5542953AAug 6, 1996

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

WELLA AG5 citations60

(unassigned)

1 patent

US5645610AJul 8, 1997

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

13 citations69