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David Rose
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Hilden, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Agent for dyeing keratin containing fibers
Patent number
6,863,698
Issue date
Mar 8, 2005
Henkel Kommanditgesellschaft auf Aktien
Horst Hoeffkes
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Direct hair dyes and use thereof
Patent number
6,835,211
Issue date
Dec 28, 2004
Henkel Kommanditgesellschaft auf Aktien
David Rose
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Dyes and colorants
Patent number
6,828,443
Issue date
Dec 7, 2004
Henkel Kommanditgesellschaft auf Aktien
Detlef Hollenberg
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Direct hair colorants
Patent number
6,814,761
Issue date
Nov 9, 2004
Henkel Kommanditgesellschaft auf Aktien
Frank Naumann
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Method for coloring keratin fibers
Patent number
6,743,263
Issue date
Jun 1, 2004
Henkel Kommanditgesellschaft auf Aktien
Horst Hoeffkes
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Indole/indoline based hybrid dyes and indole/indoline based hybrid...
Patent number
6,736,862
Issue date
May 18, 2004
Henkel Kommanditgesellschaft auf Aktien
Frank Naumann
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Aminophenol derivatives and their use in oxidative hair dyes
Patent number
6,635,241
Issue date
Oct 21, 2003
Henkel Kommanditgesellschaft auf Aktien
David Rose
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Colouring agents with enzymes
Patent number
6,630,003
Issue date
Oct 7, 2003
Henkel Kommanditgesellschaft auf Aktien
Andrea Saettler
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Oxidation colorants
Patent number
6,406,501
Issue date
Jun 18, 2002
Henkel Kommanditgesellschaft auf Aktien
Horst Hoeffkes
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Oxidation colorants comprising 2-(2,5-diaminophenyl)-ethanol compou...
Patent number
6,284,003
Issue date
Sep 4, 2001
Henkel Kommanditgesellschaft auf Aktien
David Rose
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Use of 1-substituted isatins to dye fibers containing keratin
Patent number
6,203,579
Issue date
Mar 20, 2001
Henkel Kommanditgesellschaft auf Aktien
Hinrich Moeller
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
1,4-diazacycloheptane derivatives and their use in hair oxidation dyes
Patent number
6,165,230
Issue date
Dec 26, 2000
Henkel Kommanditgesellschaft auf Aktien
David Rose
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Polymer dyestuffs and their use for dyeing fibres
Patent number
5,891,199
Issue date
Apr 6, 1999
Henkel Kommanditgesellschaft auf Aktien (KGaA)
Rolf Wachter
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Use of 1,2,3,4-tetrahydroquinoxalines as oxidation dye precursors i...
Patent number
5,752,984
Issue date
May 19, 1998
Henkel Kommanditgesellschaft auf Aktien
Georg Knuebel
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Aromatic allylaminonitro compounds, hair dye compositions containin...
Patent number
5,685,881
Issue date
Nov 11, 1997
Henkel Kommanditgesellschaft auf Aktien
David Rose
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Synthesis of indoles by dehydrogenation of indolines
Patent number
5,536,843
Issue date
Jul 16, 1996
Henkel Kommanditgesellschaft auf Aktien
Georg Knuebel
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Oxidation dyes
Patent number
5,246,466
Issue date
Sep 21, 1993
Henkel Kommanditgelsellschaft auf Aktien
David Rose
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Hair dyeing compositions
Patent number
5,104,412
Issue date
Apr 14, 1992
Henkel Kommanditgesellschaft auf Aktien
David Rose
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Hair dye compositions and certain 1,2,3,4-tetrahydronitroquinoxalin...
Patent number
5,089,025
Issue date
Feb 18, 1992
Henkel Kommanditgesellschaft auf Aktien
David Rose
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
META-aminophenols useful as oxidation hair dye couplers
Patent number
4,976,742
Issue date
Dec 11, 1990
Henkel Kommanditgesellschaft auf Aktien
David Rose
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Process for making 4-chloro-2-methyl-5-nitro-phenol
Patent number
4,960,955
Issue date
Oct 2, 1990
Wella Aktiengesellschaft
Thomas Clausen
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Preparations containing substantive nitrodiphenylamine derivative h...
Patent number
4,900,327
Issue date
Feb 13, 1990
Henkel Kommanditgesellschaft auf Aktien
David Rose
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Hair-dyeing preparations
Patent number
4,900,325
Issue date
Feb 13, 1990
Henkel Kommanditgesellschaft auf Aktien
David Rose
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Hair dye preparations containing nitrodiphenylamine derivative
Patent number
4,859,206
Issue date
Aug 22, 1989
Henkel Kommanditgesellschaft auf Aktien
David Rose
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Aminophenyl alkylenediamines useful in oxidation hair dyes
Patent number
4,842,612
Issue date
Jun 27, 1989
Henkel Kommanditgesellschaft auf Aktien
David Rose
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Oxidation hair dyes comprising substituted dihydroxypyridines as co...
Patent number
4,838,893
Issue date
Jun 13, 1989
Henkel Kommanditgesellschaft auf Aktien
David Rose
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Hair dye preparations containing substantive nitrodiphenylamine der...
Patent number
4,832,697
Issue date
May 23, 1989
Henkel Kommanditgesellschaft auf Aktien
David Rose
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Hair-dyeing preparations containing substantive nitrodiphenylamine...
Patent number
4,756,715
Issue date
Jul 12, 1988
Henkel Kommanditgesellschaft auf Aktien
David Rose
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Preparations containing substantive nitrodiphenylamine derivative h...
Patent number
4,756,716
Issue date
Jul 12, 1988
Henkel Kommanditgesellschaft auf Aktien
David Rose
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
New tetra-aminopyrimidine derivatives and their use in hair-dyeing...
Patent number
4,745,652
Issue date
May 24, 1988
Henkel Kommanditgesellschaft auf Aktien
David Rose
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Patents Applications
last 30 patents
Information
Patent Application
Direct hair dyes and use thereof
Publication number
20050086746
Publication date
Apr 28, 2005
David Rose
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Bridged p-phenylenediamines
Publication number
20040199018
Publication date
Oct 7, 2004
Georg Knuebel
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Indole/indoline based hybrid dyes and indole/indoline based hybrid...
Publication number
20040006834
Publication date
Jan 15, 2004
Frank Naumann
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
New colouring combination
Publication number
20030106167
Publication date
Jun 12, 2003
David Rose
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
New colouring combination
Publication number
20030041393
Publication date
Mar 6, 2003
David Rose
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
New colouring combination
Publication number
20030037386
Publication date
Feb 27, 2003
David Rose
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Novel colorant combination
Publication number
20030000027
Publication date
Jan 2, 2003
Horst Hoeffkes
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
OXIDATION DYES
Publication number
20020013970
Publication date
Feb 7, 2002
HORST HOEFFKES
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Application
Novel p-aminophenol derivatives and the use thereof
Publication number
20010004779
Publication date
Jun 28, 2001
David Rose
C07 - ORGANIC CHEMISTRY