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Frédéric Guerin
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Patents Grants
last 30 patents
Information
Patent Grant
Coated colouring solid particles comprising at least one direct dye...
Patent number
11,944,695
Issue date
Apr 2, 2024
L'Oreal
Frédéric Guerin
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Process for treating keratin fibers using a packaging article compr...
Patent number
11,911,636
Issue date
Feb 27, 2024
L'Oreal
Fabien Aubert
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Dyeing composition comprising a direct dye of triarylmethane struct...
Patent number
11,007,131
Issue date
May 18, 2021
L'Oreal
Frédéric Guerin
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Dyeing composition at acidic pH comprising a direct dye of triarylm...
Patent number
11,000,464
Issue date
May 11, 2021
L'Oreal
Frédéric Guerin
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Packaging article comprising an envelope and an anhydrous dye compo...
Patent number
10,130,829
Issue date
Nov 20, 2018
L'Oreal
Fabien Aubert
A45 - HAND OR TRAVELLING ARTICLES
Information
Patent Grant
Packaging article comprising an envelope and an anhydrous dye compo...
Patent number
10,117,811
Issue date
Nov 6, 2018
L'Oreal
Fabien Aubert
A45 - HAND OR TRAVELLING ARTICLES
Information
Patent Grant
Composition for dyeing keratinous fibres comprising a direct dye ha...
Patent number
9,522,106
Issue date
Dec 20, 2016
L'Oreal
Frédéric Guerin
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Composition for dyeing keratin fibres comprising a direct dye beari...
Patent number
9,271,915
Issue date
Mar 1, 2016
L'Oreal
Frédéric Guerin
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Composition for dyeing keratin fibres comprising a direct dye beari...
Patent number
9,265,705
Issue date
Feb 23, 2016
L'Oreal
Frédéric Guerin
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Method for permanent reshaping and in particular for straightening,...
Patent number
8,671,956
Issue date
Mar 18, 2014
L'Oreal
Anne Bouchara
A45 - HAND OR TRAVELLING ARTICLES
Information
Patent Grant
Hair dyeing process using a composition comprising at least one ind...
Patent number
8,597,373
Issue date
Dec 3, 2013
L'Oreal
Frédéric Guerin
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Hair compositions comprising at least one disulfide direct dye and...
Patent number
8,097,044
Issue date
Jan 17, 2012
L'Oreal S.A.
Frédéric Guerin
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Composition comprising at least one ortho-diphenol, metal salt, hyd...
Patent number
7,857,865
Issue date
Dec 28, 2010
L'Oreal S.A.
Frédéric Guerin
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Dyeing method using a composition comprising an ortho-diphenol and...
Patent number
7,857,866
Issue date
Dec 28, 2010
L'Oreal S.A.
Frédéric Guerin
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Composition comprising a derivative of hermatoxylin, of hematein, o...
Patent number
7,833,290
Issue date
Nov 16, 2010
L'Oreal S.A.
Frédéric Guerin
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Composition for the coloring of keratinous fibers comprising a halo...
Patent number
7,655,052
Issue date
Feb 2, 2010
L'Oreal S.A.
Alain Lagrange
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Composition for the coloring of keratinous fibers comprising a halo...
Patent number
7,641,703
Issue date
Jan 5, 2010
L'Oreal S.A.
Frédéric Guerin
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Cosmetic article and process for dry dyeing keratin materials
Patent number
7,611,545
Issue date
Nov 3, 2009
L'Oreal S.A.
Frédéric Guerin
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Process for rapid dyeing and rapid decoloration of human keratin fi...
Patent number
7,338,535
Issue date
Mar 4, 2008
L'Oreal S.A.
Grégory Plos
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Use of triarylmethane derivatives as direct dyes in a dye compositi...
Patent number
7,329,289
Issue date
Feb 12, 2008
L'Oreal, S.A.
Alain Lagrange
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Composition for dyeing keratinous fibers comprising at least one az...
Patent number
7,326,257
Issue date
Feb 5, 2008
L'Oreal
Alain Lagrange
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Composition for dyeing keratin fibers comprising a defined dihetero...
Patent number
7,217,297
Issue date
May 15, 2007
L'Oreal S.A.
Frédéric Guerin
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Dye composition comprising at least one direct dye of the azo-pyrid...
Patent number
7,217,299
Issue date
May 15, 2007
L'Oreal S.A.
Sylvain Kravtchenko
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Composition for dyeing keratin fibers comprising at least one dye c...
Patent number
7,211,117
Issue date
May 1, 2007
L'Oreal S.A.
Frédéric Guerin
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Composition for dyeing keratin fibers comprising a defined triheter...
Patent number
7,211,118
Issue date
May 1, 2007
L'Oreal S.A.
Frédéric Guerin
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Composition for dyeing keratinous fibers comprising at least one az...
Patent number
7,182,792
Issue date
Feb 27, 2007
L'Oreal S.A.
Alain Lagrange
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Composition for dyeing keratinous fibers comprising at least one az...
Patent number
7,175,672
Issue date
Feb 13, 2007
L'Oreal
Alain Lagrange
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Use of a chromoionophore and/or fluoroionophore for dyeing human ke...
Patent number
6,997,963
Issue date
Feb 14, 2006
L'Oreal
Frederic Guerin
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Patents Applications
last 30 patents
Information
Patent Application
COATED COLOURING SOLID PARTICLES COMPRISING AT LEAST ONE DIRECT DYE...
Publication number
20230047506
Publication date
Feb 16, 2023
L'Oreal
Frédéric Guerin
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
PROCESS FOR TREATING KERATIN FIBERS USING A PACKAGING ARTICLE COMPR...
Publication number
20210046333
Publication date
Feb 18, 2021
L'Oreal
Fabien AUBERT
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Application
DYEING COMPOSITION AT ACIDIC PH COMPRISING A DIRECT DYE OF TRIARYLM...
Publication number
20200268629
Publication date
Aug 27, 2020
L'Oreal
Frédéric GUERIN
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
DYEING COMPOSITION COMPRISING A DIRECT DYE OF TRIARYLMETHANE STRUCT...
Publication number
20200261337
Publication date
Aug 20, 2020
L'Oreal
Frédéric GUERIN
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
PROCESS FOR TREATING KERATIN FIBERS USING A PACKAGING ARTICLE COMPR...
Publication number
20170007856
Publication date
Jan 12, 2017
L'Oreal
Fabien AUBERT
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
PACKAGING ARTICLE COMPRISING AN ENVELOPE AND AN ANHYDROUS DYE COMPO...
Publication number
20170001045
Publication date
Jan 5, 2017
Fabien AUBERT
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
PACKAGING ARTICLE COMPRISING AN ENVELOPE AND AN ANHYDROUS DYE COMPO...
Publication number
20160367447
Publication date
Dec 22, 2016
L'Oreal
Fabien AUBERT
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
COMPOSITION FOR DYEING KERATIN FIBRES COMPRISING A DIRECT DYE BEARI...
Publication number
20140137342
Publication date
May 22, 2014
L'Oreal
Frédéric Guerin
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
COMPOSITION FOR DYEING KERATINOUS FIBRES COMPRISING A DIRECT DYE HA...
Publication number
20140075687
Publication date
Mar 20, 2014
L'Oreal
Frédéric Guerin
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
COMPOSITION FOR DYEING KERATIN FIBRES COMPRISING A DIRECT DYE BEARI...
Publication number
20140041132
Publication date
Feb 13, 2014
L'Oreal
Frédéric Guerin
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
METHOD FOR PERMANENT RESHAPING AND IN PARTICULAR FOR STRAIGHTENING,...
Publication number
20130306097
Publication date
Nov 21, 2013
L'Oreal
Anne Bouchara
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
HAIR DYEING PROCESS USING A COMPOSITION COMPRISING AT LEAST ONE IND...
Publication number
20130174864
Publication date
Jul 11, 2013
L'Oreal
Frédéric Guerin
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
COSMETIC COMPOSITION COMPRISING AT LEAST ONE ORTHO-DIPHENOL, METAL...
Publication number
20100154143
Publication date
Jun 24, 2010
Frédéric Guerin
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
DYEING METHOD USING A COMPOSITION COMPRISING AN ORTHO-DIPHENOL AND...
Publication number
20100154138
Publication date
Jun 24, 2010
Frédéric GUERIN
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
COMPOSITION COMPRISING AT LEAST ONE ORTHO-DIPHENOL, ONE METAL SALT,...
Publication number
20100154144
Publication date
Jun 24, 2010
Frédéric Guerin
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
COMPOSITION COMPRISING A DERIVATIVE OF HERMATOXYLIN, OF HEMATEIN, O...
Publication number
20100146718
Publication date
Jun 17, 2010
Frédéric Guerin
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
COMPOSITION COMPRISING AT LEAST ONE ORTHO-DIPHENOL, METAL SALT, HYD...
Publication number
20100150857
Publication date
Jun 17, 2010
Frédéric Guerin
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Hair compositions comprising at least one disulfide direct dye and...
Publication number
20090126755
Publication date
May 21, 2009
Frederic Guerin
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Composition for the coloring of keratinous fibers comprising a halo...
Publication number
20080244838
Publication date
Oct 9, 2008
Frederic Guerin
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Cosmetic article and process for dry dyeing keratin materials
Publication number
20080244837
Publication date
Oct 9, 2008
Frederic Guerin
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Composition for the coloring of keratinous fibers comprising a halo...
Publication number
20080235883
Publication date
Oct 2, 2008
Alain Lagrange
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Dyeing Composition Comprising at Least One Dye Precursor and One Am...
Publication number
20070277329
Publication date
Dec 6, 2007
Claude Dubief
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Use of triarylmethane derivatives as direct dyes in a dye compositi...
Publication number
20060021161
Publication date
Feb 2, 2006
Alain Lagrange
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Composition for dyeing keratinous fibers comprising at least one az...
Publication number
20050183210
Publication date
Aug 25, 2005
Alain Lagrange
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Dye composition comprising at least one direct dye of the azo-pyrid...
Publication number
20050172422
Publication date
Aug 11, 2005
Sylvain Kravtchenko
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Composition for dyeing keratinous fibers comprising at least one az...
Publication number
20050108833
Publication date
May 26, 2005
Alain Lagrange
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Composition for dyeing keratinous fibers comprising at least one az...
Publication number
20050091761
Publication date
May 5, 2005
Alain Lagrange
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Use of a chromoionophore and/or fluoroionophore for dyeing human ke...
Publication number
20050074419
Publication date
Apr 7, 2005
L'Oreal
Frederic Guerin
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Composition for dyeing keratin fibers comprising at least one dye c...
Publication number
20040216247
Publication date
Nov 4, 2004
Frederic Guerin
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Composition for dyeing keratin fibers comprising a defined triheter...
Publication number
20040194231
Publication date
Oct 7, 2004
Frederic Guerin
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE