Inventor
WEINGES ALEXA
DE5 patents
⚠️ This page may combine multiple inventors who share the name “WEINGES ALEXA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
WELLA AG
4 patentsUS5718731AFeb 17, 1998
Oxidation hair dye composition based on 4,5-diaminopyrazole and m-phenylenediamine derivatives
WELLA AG59 citations94
US5224965AJul 6, 1993
Composition for the oxidative dyeing of hair and new 5-halogen-2,4-diamino alkylbenzenes
WELLA AG8 citations72
US5382702AJan 17, 1995
Process for the production of 5-alkoxy-2,4-dinitro-alkylbenzenes
WELLA AG3 citations61
US5542953AAug 6, 1996
5-halogen-2,4-Bis (alkylamino)-1-alkylbenzenes and hair dye compositions containing same
WELLA AG5 citations60