P

Inventor

AKRAM MUSTAFA

DE23 patents
⚠️ This page may combine multiple inventors who share the name “AKRAM MUSTAFA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SCHWARZKOPF GMBH HANS

11 patents
US6129770AOct 10, 2000

Hair dye agents with at least one conditioner

SCHWARZKOPF GMBH HANS105 citations96
US5494489AFeb 27, 1996

Aqueous colorants for keratin fibers

SCHWARZKOPF GMBH HANS25 citations91
US6139853AOct 31, 2000

Hair colorants and an application mixture for coloring human hair

SCHWARZKOPF GMBH HANS25 citations90
US5078748AJan 7, 1992

Substituted 1,3-diaminobenzenes, processes for their preparation and coloring agents, containing these, for keratin fibers

SCHWARZKOPF GMBH HANS22 citations89
US5230710AJul 27, 1993

Substituted 2,6-diaminotoluenes, processes for their preparation and coloring agents for keratinic fibers comprising these compounds

SCHWARZKOPF GMBH HANS19 citations79
US5067967ANov 26, 1991

Nitro-p-phenylenediamine derivatives, processes for their preparation and coloring agents containing these for use on keratin fibres

SCHWARZKOPF GMBH HANS8 citations71
US5961668AOct 5, 1999

4-(2,4-diaminophenoxymethyl)-1,3-dioxolane secondary intermediates, processes for their production, and hair colorants

SCHWARZKOPF GMBH HANS4 citations61
US7255718B1Aug 14, 2007

Phosphate-type tensides combined with hair conditioning agents in hair coloring compositions

SCHWARZKOPF GMBH HANS5 citations60
US6916343B1Jul 12, 2005

Method for coloring hair

SCHWARZKOPF GMBH HANS5 citations54
US5163970ANov 17, 1992

Nitro-p-phenylenediamine derivatives, processes for their preparation and coloring agents containing these for use on keratin fibres

SCHWARZKOPF GMBH HANS0 citations50
US5990355ANov 23, 1999

Substituted diaminophenols, process for their preparation, and hair dyes containing such compounds

SCHWARZKOPF GMBH HANS1 citations48

HENKEL KGAA

5 patents

HENKEL AG & CO KGAA

3 patents

HOECHST AG

1 patent

(unassigned)

1 patent

CLARIANT GMBH

1 patent

WELZ CAROLIN

1 patent