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Herve David
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La Varenne Saint Hilarie, FR
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Patents Grants
last 30 patents
Information
Patent Grant
Process for dyeing keratin materials using at least one blue, purpl...
Patent number
11,278,482
Issue date
Mar 22, 2022
L'Oreal
Hervé David
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Process for dyeing keratin fibres using at least one particular azi...
Patent number
10,980,729
Issue date
Apr 20, 2021
L'Oreal
Christian Blaise
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Process for dyeing keratin fibres using at least one particular tri...
Patent number
10,959,930
Issue date
Mar 30, 2021
L'Oreal
Christian Blaise
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Process for dyeing keratin fibres using at least one particular 2-...
Patent number
10,888,510
Issue date
Jan 12, 2021
L'Oreal
Christian Blaise
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Anionic dye or brightener bearing an ammonium or phosphonium counte...
Patent number
9,839,591
Issue date
Dec 12, 2017
L'Oreal
Herve David
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Specific monocationic monochromophoric compounds of hydrazone type...
Patent number
8,012,220
Issue date
Sep 6, 2011
L'Oreal S.A.
Hervé David
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Specific naphthalmide-type dyes, dye composition comprising at leas...
Patent number
7,988,741
Issue date
Aug 2, 2011
L'Oreal S.A.
Tiina Luukas
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Polycationic monochromophoric hydrazone compounds, dye compositions...
Patent number
7,569,079
Issue date
Aug 4, 2009
L'Oreal S.A.
Hervé David
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Dissymmetrical diazo compounds comprising 2-pyridinium group and a...
Patent number
7,438,728
Issue date
Oct 21, 2008
L'Oreal S.A.
Hervé David
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Dicationic bis-hydrazone compound, dye composition comprising at le...
Patent number
7,410,506
Issue date
Aug 12, 2008
L'Oreal S.A.
Hervé David
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Use of tetra-azapentamethine compounds as direct dyeing agents and...
Patent number
7,399,320
Issue date
Jul 15, 2008
L'Oreal
Herve Burgaud
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Symmetrical diazo compounds comprising 4-pyridinium groups and a ca...
Patent number
7,396,368
Issue date
Jul 8, 2008
L'Oreal S.A.
Hervé David
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Symmetrical diazo compounds comprising 2-imidazolium groups and a n...
Patent number
7,351,267
Issue date
Apr 1, 2008
L'Oreal S.A.
Hervé David
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Use of tetra-azapentamethine compounds as direct dyeing agents and...
Patent number
7,311,736
Issue date
Dec 25, 2007
L'Oreal
Herve Burgaud
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Composition comprising at least one mixed dye comprising at least t...
Patent number
7,303,591
Issue date
Dec 4, 2007
L'Oreal S.A.
Andrew Greaves
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Composition comprising at least one mixed dye based on at least one...
Patent number
7,300,471
Issue date
Nov 27, 2007
L'Oreal S.A.
Andrew Greaves
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Composition comprising at least one mixed dye comprising at least o...
Patent number
7,288,121
Issue date
Oct 30, 2007
L'Oreal S.A.
Andrew Greaves
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Cationic diazo compounds, compositions comprising them as direct dy...
Patent number
7,288,122
Issue date
Oct 30, 2007
L'Oreal S.A.
Andrew Greaves
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Dyssymmetrical diazo compounds having at least one 4-pyridinium uni...
Patent number
7,288,639
Issue date
Oct 30, 2007
L'Oreal S.A.
Hervé David
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Cationic diazo compound, compositions comprising at least one catio...
Patent number
7,285,138
Issue date
Oct 23, 2007
L'Oreal, S.A.
Andrew Greaves
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Polycationic azo compounds for dyeing keratin fibers, dye compositi...
Patent number
7,282,068
Issue date
Oct 16, 2007
L'Oreal S.A.
Alain Lagrange
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Cationic diazo compounds, compositions comprising them as direct dy...
Patent number
7,282,069
Issue date
Oct 16, 2007
L'Oreal S.A.
Andrew Greaves
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Symmetrical diazo compounds containing 2-pyridinium groups and cati...
Patent number
7,247,713
Issue date
Jul 24, 2007
L'Oreal, S.A.
Hervé David
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Cationic diazo compounds, compositions comprising them as direct dy...
Patent number
7,208,586
Issue date
Apr 24, 2007
L'Oreal S.A.
Andrew Greaves
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Composition for the dyeing of human keratinous fibres comprising a...
Patent number
7,077,873
Issue date
Jul 18, 2006
L'Oreal, S.A.
Hervé David
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Dyeing composition for dyeing keratinous fibres comprising a partic...
Patent number
7,060,110
Issue date
Jun 13, 2006
L'Oreal
Laurent Vidal
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Dyeing composition for keratinous fibres comprising a particular di...
Patent number
7,001,436
Issue date
Feb 21, 2006
L'Oreal S.A.
Laurent Vidal
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
PERFUME CONCRETE AND ABSOLUTE WHICH ARE OBTAINED BY KETONE OR DIOXO...
Publication number
20250188383
Publication date
Jun 12, 2025
L'Oreal
Géraldine DU ROIZEL
C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information
Patent Application
PERFUME CONCRETE AND ABSOLUTE WHICH ARE OBTAINED BY ORGANIC (POLY)O...
Publication number
20250136891
Publication date
May 1, 2025
L'Oreal
Géraldine DU ROIZEL
C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information
Patent Application
FRAGRANCE CONCRETE AND ABSOLUTE OBTAINED BY EXTRACTION OF HETEROCYC...
Publication number
20230392095
Publication date
Dec 7, 2023
L'Oreal
Géraldine DU ROIZEL
C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information
Patent Application
USE OF ANTHRAQUINONE DYES AND OF FLUORESCENT DYES FOR DYEING KERATI...
Publication number
20230240954
Publication date
Aug 3, 2023
L'Oreal
Annabelle EUDELINE-LY
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
PROCESS FOR DYEING KERATIN FIBRES USING AT LEAST ONE PARTICULAR 2-A...
Publication number
20200306160
Publication date
Oct 1, 2020
L'Oreal
Christian Blaise
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
PROCESS FOR DYEING KERATIN FIBRES USING AT LEAST ONE PARTICULAR TRI...
Publication number
20200276097
Publication date
Sep 3, 2020
L'Oreal
Christian Blaise
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
PROCESS FOR DYEING KERATIN FIBRES USING AT LEAST ONE PARTICULAR AZI...
Publication number
20200246238
Publication date
Aug 6, 2020
L'Oreal
Christian Blaise
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
PROCESS FOR DYEING KERATIN MATERIALS USING AT LEAST ONE BLUE, PURPL...
Publication number
20200179255
Publication date
Jun 11, 2020
L'Oreal
Hervé David
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
PROCESS FOR DYEING KERATIN FIBRES USING AT LEAST ONE PARTICULAR 2-...
Publication number
20190343750
Publication date
Nov 14, 2019
L'Oreal
Christian Blaise
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
ANIONIC DYE OR BRIGHTENER BEARING AN AMMONIUM OR PHOSPHONIUM COUNTE...
Publication number
20150113742
Publication date
Apr 30, 2015
L'Oreal
Herve David
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
CATIONIC DYE BEARING AN ANIONIC ORGANIC COUNTERION, DYE COMPOSITION...
Publication number
20150101132
Publication date
Apr 16, 2015
L'Oreal
Herve David
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
SPECIFIC NAPHTHALMIDE-TYPE DYES, DYE COMPOSITION COMPRISING AT LEAS...
Publication number
20110113572
Publication date
May 19, 2011
L'OREAL S.A.
Tiina Luukas
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
COMPOSITION FOR DYEING KERATIN FIBRES, COMPRISING A CATIONIC DIAZO...
Publication number
20100031453
Publication date
Feb 11, 2010
Andrew Greaves
C07 - ORGANIC CHEMISTRY
Information
Patent Application
SPECIFIC MONOCATIONIC MONOCHROMOPHORIC COMPOUNDS OF HYDRAZONE TYPE...
Publication number
20090300856
Publication date
Dec 10, 2009
Herve David
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Dissymmetrical Diazo Compounds Containing Having at Least One 2-imi...
Publication number
20090062517
Publication date
Mar 5, 2009
L'Oreal S.A.
Herve DAVID
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Polycationic monochromophoric hydrazone compounds, dye compositions...
Publication number
20080263785
Publication date
Oct 30, 2008
Herve David
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Particular Dissymmetrical Cationic Polyazo Compounds, Compositions...
Publication number
20080196175
Publication date
Aug 21, 2008
Andrew Greaves
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Unsymmetrical Diazo Compounds, Compositions Comprising Same, Dyeing...
Publication number
20080168607
Publication date
Jul 17, 2008
Herve David
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Symmetrical Cationic Tetraazo Compounds, for Dyeing Keratin Fibres
Publication number
20080115296
Publication date
May 22, 2008
Johnson Controls Technology Company
Andrew Greaves
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Use of tetra-azapentamethine compounds as direct dyeing agents and...
Publication number
20080092307
Publication date
Apr 24, 2008
L'Oreal
Herve Burgaud
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Dissymmetrical diazo compounds containing having at least one 2-imi...
Publication number
20070010663
Publication date
Jan 11, 2007
Herve David
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Symmetrical diazo compounds comprising 4-pyridinium groups and a ca...
Publication number
20060174422
Publication date
Aug 10, 2006
Herve David
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Symmetrical diazo compounds containing 2-pyridinium groups and a ca...
Publication number
20060156488
Publication date
Jul 20, 2006
Herve David
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Dyssymmetrical diazo compounds having at least one 4-pyridinium uni...
Publication number
20060156489
Publication date
Jul 20, 2006
Herve David
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Symmetrical diazo compounds comprising 2-imidazolium groups and a n...
Publication number
20060156477
Publication date
Jul 20, 2006
Herve David
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Symmetrical diazo compounds comprising 2-imidazolium groups and a c...
Publication number
20060156490
Publication date
Jul 20, 2006
Herve David
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Dissymmetrical diazo compounds comprising 2-pyridinium group and a...
Publication number
20060149044
Publication date
Jul 6, 2006
Herve David
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Dicationic bis-hydrazone compound, dye composition comprising at le...
Publication number
20060096043
Publication date
May 11, 2006
Herve David
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Polycationic azo compounds for dyeing keratin fibers, dye compositi...
Publication number
20060021160
Publication date
Feb 2, 2006
L'Oreal
Alain Lagrange
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Cationic diazo compound, compositions comprising at least one catio...
Publication number
20060021162
Publication date
Feb 2, 2006
Andrew Greaves
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE