Inventor · Heidelberg, DE

Alexa Weinges

5Patents
3h-index
5Co-inventors
42Inventor score

Filing activity: Apr 7, 1992 → Aug 13, 1996

Most-cited inventions

PatentTitleAreaCited byStatus
US5718731A Oxidation hair dye composition based on 4,5-diaminopyrazole and m-phenylenediamine derivatives Textiles; Paper 34 Expired
US5224965A Composition for the oxidative dyeing of hair and new 5-halogen-2,4-diamino alkylbenzenes Chemistry; Metallurgy 8 Expired
US5645610A Substituted 2-alkylamino-4-amino-1-alkylbenzene compounds and oxidation hair dye compositions based on said compounds Chemistry; Metallurgy 6 Expired
US5542953A 5-halogen-2,4-Bis (alkylamino)-1-alkylbenzenes and hair dye compositions containing same Chemistry; Metallurgy 3 Expired
US5382702A Process for the production of 5-alkoxy-2,4-dinitro-alkylbenzenes Chemistry; Metallurgy 0 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.