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last 30 patents
Information
Patent Grant
Process for dyeing keratin materials using a direct dye and an alip...
Patent number
11,672,747
Issue date
Jun 13, 2023
L'Oreal
Stéphane Sabelle
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Symmetric azomethine direct dyes, process for their preparation, co...
Patent number
11,504,318
Issue date
Nov 22, 2022
L'Oreal
Stéphane Sabelle
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Use of dihydroisoquinolinium salts for treating keratin materials,...
Patent number
11,406,580
Issue date
Aug 9, 2022
L'Oreal
Stéphane Sabelle
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Use of dihydroisoquinolinium double derivatives for treating kerati...
Patent number
11,406,579
Issue date
Aug 9, 2022
L'Oreal
Stéphane Sabelle
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Use for dyeing keratin fibers of a compound of azomethine type bear...
Patent number
11,117,864
Issue date
Sep 14, 2021
L'Oreal
Stéphane Sabelle
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Use of substituted dihydroisoquinolinium salts for treating keratin...
Patent number
11,083,679
Issue date
Aug 10, 2021
L'Oreal
Stéphane Sabelle
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Dissymmetric azomethine direct dyes and process for their preparati...
Patent number
10,927,259
Issue date
Feb 23, 2021
L'Oreal
Stéphane Sabelle
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Azomethine direct dyes bearing at least one cationic charge, cosmet...
Patent number
10,889,718
Issue date
Jan 12, 2021
L'Oreal
Stéphane Blais
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Use of particular pyridinium salts for the treatment of keratin sub...
Patent number
10,765,615
Issue date
Sep 8, 2020
L'Oreal
Leila Hercouet
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
(Dis)symmetric azomethine-type direct dye comprising at least one p...
Patent number
10,731,038
Issue date
Aug 4, 2020
L'Oreal
Stéphane Sabelle
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Dye composition using at least one coupler of meta-phenylenediamine...
Patent number
10,383,803
Issue date
Aug 20, 2019
L'Oreal
Stéphane Sabelle
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Dye composition using at least one coupler of meta-phenylenediamine...
Patent number
9,585,824
Issue date
Mar 7, 2017
L'Oreal
Stéphane Sabelle
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Triaromatic azomethine direct dyes, dye composition comprising at l...
Patent number
9,554,977
Issue date
Jan 31, 2017
L'Oreal
Stephane Sabelle
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Tri-aromatic azomethine direct dyes comprising at least one unit de...
Patent number
9,439,844
Issue date
Sep 13, 2016
L'Oreal
Stephane Sabelle
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Particular quinone direct dyes, dye composition comprising at least...
Patent number
9,233,057
Issue date
Jan 12, 2016
L'Oreal
Stephane Sabelle
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Particular azomethine direct dyes, dye composition comprising at le...
Patent number
9,226,883
Issue date
Jan 5, 2016
L'Oreal
Stéphane Sabelle
A45 - HAND OR TRAVELLING ARTICLES
Information
Patent Grant
Composition comprising at least one 2-pyrrolidone functionalized wi...
Patent number
8,771,376
Issue date
Jul 8, 2014
L'Oreal
Stéphane Sabelle
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Composition for dyeing keratin fibers, including at least one ortho...
Patent number
8,608,808
Issue date
Dec 17, 2013
L'Oreal
Christophe Rondot
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Composition comprising at least one 2-pyrrolidone functionalized in...
Patent number
8,585,779
Issue date
Nov 19, 2013
L'Oreal
Stéphane Sabelle
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Composition comprising at least one 1,8-dihydroxynaphthalene deriva...
Patent number
8,551,189
Issue date
Oct 8, 2013
L'Oreal
Stephane Sabelle
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Azomethine direct dyes or reduced precursors of azomethine direct d...
Patent number
8,105,394
Issue date
Jan 31, 2012
L'Oreal S.A.
Madeleine Leduc
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Azomethine direct dyes or reduced precursors of these dyes obtained...
Patent number
8,083,809
Issue date
Dec 27, 2011
L'Oreal S.A.
Madeleine Leduc
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Azomethine direct dyes or reduced precursors of azomethine direct d...
Patent number
8,066,782
Issue date
Nov 29, 2011
L'Oreal S.A.
Madeleine Leduc
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Composition for the dyeing of keratin fibers comprising at least on...
Patent number
7,857,864
Issue date
Dec 28, 2010
L'Oreal S.A.
Aziz Fadli
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Composition for the dyeing of keratin fibers comprising at least on...
Patent number
7,635,394
Issue date
Dec 22, 2009
L'Oreal S.A.
Aziz Fadli
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
N-alkylpolyhydroxylated secondary para-phenylenediamines, dye compo...
Patent number
7,591,860
Issue date
Sep 22, 2009
L'Oreal, S.A.
Stéphane Sabelle
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Ortho-and/or meta-substituted N-alkylhydroxylated secondary para-ph...
Patent number
7,445,645
Issue date
Nov 4, 2008
L'Oreal S.A.
Stéphane Sabelle
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Secondary para-phenylenediamines bearing an alkoxy group, dye compo...
Patent number
7,435,267
Issue date
Oct 14, 2008
L'Oreal S.A.
Stéphane Sabelle
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
N-alkylhydroxylated secondary para-phenylenediamine compounds, comp...
Patent number
7,435,268
Issue date
Oct 14, 2008
L'Oreal S.A.
Stéphane Sabelle
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
N-alkyleheteroaryl secondary para-phenylenediamine and composition...
Patent number
7,429,278
Issue date
Sep 30, 2008
L'Oreal
Stéphane Sabelle
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Patents Applications
last 30 patents
Information
Patent Application
PROCESS FOR LIGHTENING KERATIN FIBRES
Publication number
20240122825
Publication date
Apr 18, 2024
L'Oreal
Stéphane BLAIS
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
COMPOSITION FOR THE SIMULTANEOUS BLEACHING AND DYEING OF KERATIN FI...
Publication number
20240082122
Publication date
Mar 14, 2024
L'Oreal
Stéphane BLAIS
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
PROCESS FOR LIGHTENING KERATIN FIBRES
Publication number
20240082121
Publication date
Mar 14, 2024
L'Oreal
Stéphane BLAIS
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
COMPOSITION FOR LIGHTENING KERATIN FIBRES AND PROCESS FOR LIGHTENIN...
Publication number
20240074953
Publication date
Mar 7, 2024
L'Oreal
Stéphane BLAIS
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
COMPOSITION FOR THE SIMULTANEOUS BLEACHING AND DYEING OF KERATIN FI...
Publication number
20240058233
Publication date
Feb 22, 2024
L'Oreal
Stéphane BLAIS
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
PROCESS FOR DYEING KERATIN FIBERS USING A DIRECT DYE AND A SACCHARI...
Publication number
20230346669
Publication date
Nov 2, 2023
L'Oreal
Olivier GUERARD
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
COMPOSITION FOR SIMULTANEOUS BLEACHING AND DYEING OF KERATIN FIBERS...
Publication number
20230310294
Publication date
Oct 5, 2023
L'Oreal
Stéphane BLAIS
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
USE OF DIHYDROISOQUINOLINIUM SALTS FOR TREATING KERATIN MATERIALS,...
Publication number
20220241169
Publication date
Aug 4, 2022
Stéphane SABELLE
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PROCESS FOR DYEING KERATIN MATERIALS USING A DIRECT DYE AND AN ALIP...
Publication number
20220183944
Publication date
Jun 16, 2022
L'Oreal
Stéphane SABELLE
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
PROCESS FOR DYEING KERATIN MATERIALS USING A DIRECT DYE AND AN UNSA...
Publication number
20220040075
Publication date
Feb 10, 2022
L'Oreal
Stéphane SABELLE
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
SYMMETRIC AZOMETHINE DIRECT DYES, PROCESS FOR THEIR PREPARATION, CO...
Publication number
20220016009
Publication date
Jan 20, 2022
L'Oreal
Stéphane SABELLE
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
USE FOR DYEING KERATIN FIBERS OF A COMPOUND OF AZOMETHINE TYPE BEAR...
Publication number
20200308117
Publication date
Oct 1, 2020
L'Oreal
Stéphane SABELLE
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
DISSYMMETRIC AZOMETHINE DIRECT DYES AND PROCESS FOR THEIR PREPARATI...
Publication number
20200190329
Publication date
Jun 18, 2020
L'Oreal
Stéphane SABELLE
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
NOVEL AZOMETHINE DIRECT DYES BEARING AT LEAST ONE CATIONIC CHARGE,...
Publication number
20200123386
Publication date
Apr 23, 2020
L'Oreal
Stéphane BLAIS
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
(DIS)SYMMETRIC AZOMETHINE-TYPE DIRECT DYE COMPRISING AT LEAST ONE P...
Publication number
20190309170
Publication date
Oct 10, 2019
L'Oreal
Stéphane SABELLE
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
USE OF SUBSTITUTED DIHYDROISOQUINOLINIUM SALTS FOR TREATING KERATIN...
Publication number
20190008742
Publication date
Jan 10, 2019
Stéphane SABELLE
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
USE OF DIHYDROISOQUINOLINIUM SALTS FOR TREATING KERATIN MATERIALS,...
Publication number
20190008741
Publication date
Jan 10, 2019
Stéphane SABELLE
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
USE OF DIHYDROISOQUINOLINIUM DOUBLE DERIVATIVES FOR TREATING KERATI...
Publication number
20180369105
Publication date
Dec 27, 2018
L'Oreal
Stéphane SABELLE
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
USE OF PARTICULAR PYRIDINIUM SALTS FOR THE TREATMENT OF KERATIN SUB...
Publication number
20170340543
Publication date
Nov 30, 2017
L'Oreal
Leila HERCOUET
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
METHOD FOR DYEING KERATINOUS SUBSTANCES STARTING FROM COLOURED OLIG...
Publication number
20160310383
Publication date
Oct 27, 2016
L'Oreal
Stéphane Sabelle
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
DYE COMPOSITION USING AT LEAST ONE COUPLER OF META-PHENYLENEDIAMINE...
Publication number
20150374601
Publication date
Dec 31, 2015
L'Oreal
Stéphane Sabelle
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
DYE COMPOSITION USING AT LEAST ONE COUPLER OF META-PHENYLENEDIAMINE...
Publication number
20150366771
Publication date
Dec 24, 2015
L'Oreal
Stéphane Sabelle
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
TRIAROMATIC AZOMETHINE DIRECT DYES, DYE COMPOSITION COMPRISING AT L...
Publication number
20150320660
Publication date
Nov 12, 2015
L'Oreal
Stephane SABELLE
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
TRI-AROMATIC AZOMETHINE DIRECT DYES COMPRISING AT LEAST ONE UNIT DE...
Publication number
20150027483
Publication date
Jan 29, 2015
L'Oreal
Stephane Sabelle
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
PARTICULAR AZOMETHINE DIRECT DYES, DYE COMPOSITION COMPRISING AT LE...
Publication number
20150000688
Publication date
Jan 1, 2015
L'Oreal
Stephane Sabelle
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
PARTICULAR QUINONE DIRECT DYES, DYE COMPOSITION COMPRISING AT LEAST...
Publication number
20140360523
Publication date
Dec 11, 2014
Stephane Sabelle
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
COMPOSITION COMPRISING AT LEAST ONE 1,8-DIHYDROXYNAPHTHALENE DERIVA...
Publication number
20130219633
Publication date
Aug 29, 2013
L'Oreal
Stephane Sabelle
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
COMPOSITION COMPRISING AT LEAST ONE 2-PYRROLIDONE FUNCTIONALIZED IN...
Publication number
20130167307
Publication date
Jul 4, 2013
L'Oreal
Stéphane Sabelle
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
COMPOSITION COMPRISING AT LEAST ONE 2-PYRROLIDONE FUNCTIONALIZED WI...
Publication number
20130152314
Publication date
Jun 20, 2013
L'Oreal
Stéphane Sabelle
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
COMPOSITION FOR DYEING KERATIN FIBERS, INCLUDING AT LEAST ONE ORTHO...
Publication number
20130139846
Publication date
Jun 6, 2013
L'Oreal
Christophe Rondot
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE