Stéphane Sabelle — 47 Patents at L'Oreal

Stéphane Sabelle has been granted 47 US patents while listed as an inventor at L'Oreal. The first was granted in 2005 and the most recent in February 2025. Stéphane Sabelle ranks #59,703 of 4,157,543 US inventors in our database (top 1.4%). Patent records list Stéphane Sabelle in Aulnay-sous-Bois, FR.

Issued Patents All Time

Showing 1–25 of 47 patents

Patent #	Title	Co-Inventors	Date
12233146	Process for dyeing keratin fibers using a direct dye and a saccharinate salt and composition comprising them	Olivier Guerard	2025-02-25
11672747	Process for dyeing keratin materials using a direct dye and an aliphatic ammonium salt, and composition comprising same	Olivier Guerard	2023-06-13
11504318	Symmetric azomethine direct dyes, process for their preparation, cosmetic composition comprising at least one such dye and use thereof	Stéphane Blais, Aziz Fadli	2022-11-22
11406579	Use of dihydroisoquinolinium double derivatives for treating keratin materials, compositions and implementation processes	Aziz Fadli	2022-08-09
11406580	Use of dihydroisoquinolinium salts for treating keratin materials, compositions and implementation processes	Aziz Fadli, Alexandra Charrier	2022-08-09
11117864	Use for dyeing keratin fibers of a compound of azomethine type bearing a quinoline-derived unit	Aziz Fadli	2021-09-14
11083679	Use of substituted dihydroisoquinolinium salts for treating keratin materials, compositions and implementation processes	Aziz Fadli, Alexandra Charrier	2021-08-10
10927259	Dissymmetric azomethine direct dyes and process for their preparation, cosmetic composition comprising at least one such dye and use thereof	Stéphane Blais, Aziz Fadli	2021-02-23
10889718	Azomethine direct dyes bearing at least one cationic charge, cosmetic composition comprising at least one such dye, implementation process therefor and use thereof	Stéphane Blais, Aziz Fadli	2021-01-12
10765615	Use of particular pyridinium salts for the treatment of keratin substances, compositions and implementation methods	Leïla Hercouet	2020-09-08
10731038	(Dis)symmetric azomethine-type direct dye comprising at least one pyrazolopyridine unit, process for dyeing keratin fibers using this dye	Stéphane Blais, Aziz Fadli	2020-08-04
10383803	Dye composition using at least one coupler of meta-phenylenediamine type substituted in position 4 in a medium comprising a fatty substance, processes and device	—	2019-08-20
9585824	Dye composition using at least one coupler of meta-phenylenediamine type substituted in position 2 in a medium comprising a fatty substance, processes and device	—	2017-03-07
9554977	Triaromatic azomethine direct dyes, dye composition comprising at least one such dye, method of implementation and use	Madeleine Leduc, Olivier Guerard	2017-01-31
9439844	Tri-aromatic azomethine direct dyes comprising at least one unit derived from resorcinol, dyeing composition, method and use	Madeline Leduc	2016-09-13
9233057	Particular quinone direct dyes, dye composition comprising at least one such dye, implementation process therefor and use thereof	—	2016-01-12
9226883	Particular azomethine direct dyes, dye composition comprising at least one such compound, implementation process therefore and use thereof	Madeleine Leduc	2016-01-05
8771376	Composition comprising at least one 2-pyrrolidone functionalized with an ester or amide radical, and at least one pigment or direct dye, for dyeing keratin materials	Madeleine Leduc, Christian Blaise	2014-07-08
8608808	Composition for dyeing keratin fibers, including at least one ortho-diphenol derivative, one particular metal derivative, and one alkalinizing agent	Christophe Rondot, Alexandre Cavezza, Franco Manfre	2013-12-17
8585779	Composition comprising at least one 2-pyrrolidone functionalized in the 4 position with a carboxylic acid or amide, and at least one direct dye or a pigment for dyeing keratin fibres	Madeleine Leduc	2013-11-19
8551189	Composition comprising at least one 1,8-dihydroxynaphthalene derivative and at least one basifying agent different from aqueous ammonia, process for dyeing keratin fibres using the composition	Christophe Rondot, Karine Picolet	2013-10-08
8105394	Azomethine direct dyes or reduced precursors of azomethine direct dyes obtained from 2-alkylresorcinols, and hair dyeing process using these dyes or precursors	Madeleine Leduc, Eric Metais, Christophe Rondot	2012-01-31
8083809	Azomethine direct dyes or reduced precursors of these dyes obtained from 2-chloro-3-amino-6-methylphenol, and hair dyeing method starting from these dyes and precursors	Madeleine Leduc, Eric Metais, Christophe Rondot	2011-12-27
8066782	Azomethine direct dyes or reduced precursors of azomethine direct dyes obtained from 2-alkylresorcinols, and hair dyeing process using these dyes or precursors	Madeleine Leduc, Eric Metais, Christophe Rondot	2011-11-29
7857864	Composition for the dyeing of keratin fibers comprising at least one 3-amino-pyrazolopyridine derivative	Aziz Fadli, Laurent Vidal	2010-12-28

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Stéphane Sabelle — 47 Patents

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