Madeleine LeDuc

Person

Paris, FR

People

Patents Grantslast 30 patents

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
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 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
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
Para-phenylenediamine derivatives containing a pyrrolidyl group, an...
- Patent number 7,132,534
- Issue date Nov 7, 2006
- L'Oreal
- Stéphane Sabelle
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Para-phenylenediamine derivatives comprising a cyclic diaza group s...
- Patent number 7,090,703
- Issue date Aug 15, 2006
- L'Oreal
- Stéphane Sabelle
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Pyrrolidinyl-substituted para-phenylenediamine derivatives substitu...
- Patent number 6,946,005
- Issue date Sep 20, 2005
- L'Oreal S.A.
- Stéphane Sabelle
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Bis-para-phenylenediamine derivatives comprising a pyrrolidyl group...
- Patent number 6,923,835
- Issue date Aug 2, 2005
- L'Oreal S.A.
- Stéphane Sabelle
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Dyeing composition for dyeing keratinous fibers comprising at least...
- Patent number 6,884,265
- Issue date Apr 26, 2005
- L'Oreal S.A.
- Laurent Vidal
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Dyeing composition for dyeing keratinous fibers comprising a cation...
- Patent number 6,884,266
- Issue date Apr 26, 2005
- L'Oreal
- Laurent Vidal
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Composition for dyeing keratinous fibers containing 3 amino pyrazol...
- Patent number 6,730,789
- Issue date May 4, 2004
- L'Oreal S.A.
- Véronique Birault
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Siloxane dyes, compositions containing them and uses thereof
- Patent number 6,667,343
- Issue date Dec 23, 2003
- L'Oreal
- Hervé Richard
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Sunscreen agents, photoprotective cosmetic compositions containing...
- Patent number 6,517,742
- Issue date Feb 11, 2003
- L'Oreal
- Hervé Richard
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Use of heterocyclic quaternary polyammonium polymers as protective...
- Patent number 6,416,770
- Issue date Jul 9, 2002
- L'Oreal S.A.
- Madeleine Leduc
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Photoprotective/cosmetic compositions comprising novel benz-x-azole...
- Patent number 6,376,679
- Issue date Apr 23, 2002
- Societe l'Oreal S.A.
- Madeleine Leduc
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Insoluble s-triazine derivatives and their use as UV filters
- Patent number 6,361,764
- Issue date Mar 26, 2002
- Societe l'Oreal S.A.
- Hervé Richard
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Use of silicon compounds to dye human keratin fibers; novel compoun...
- Patent number 6,203,578
- Issue date Mar 20, 2001
- L'Oreal
- Madeleine Leduc
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Siloxane dyes, compositions containing same and uses thereof
- Patent number 6,197,911
- Issue date Mar 6, 2001
- L'Oreal
- Hervé Richard
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Use of silicon compounds to dye human keratin fibres; novel compoun...
- Patent number 6,176,885
- Issue date Jan 23, 2001
- L'Oreal
- Madeleine Leduc
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Silicone-substituted cinnamamide/malonamide/malonate compounds and...
- Patent number 6,114,559
- Issue date Sep 5, 2000
- Societe L'Oreal S.A.
- Herve Richard
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Silicone-substituted cinnamamide/malonamide/malonate compounds and...
- Patent number 6,080,880
- Issue date Jun 27, 2000
- Societe L'Oreal S.A.
- Herve Richard
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Cyclodextrin derivatives
- Patent number 6,045,812
- Issue date Apr 4, 2000
- Societe L'Oreal S.A.
- Herve Richard
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Use of silicon compounds to dye human keratin fibres; novel compoun...
- Patent number 6,027,537
- Issue date Feb 22, 2000
- L'Oreal
- Madeleine LeDuc
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Photoprotective/cosmetic compositions comprising sulfonamido-functi...
- Patent number 6,004,540
- Issue date Dec 21, 1999
- Societe L'Oreal S.A.
- Herve Richard
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Silicone-containing derivatives of salicylic acid which have desqua...
- Patent number 5,976,558
- Issue date Nov 2, 1999
- L'Oreal
- Herve Richard
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Photoprotective/cosmetic compositions comprising cinnamonitrile-sub...
- Patent number 5,961,962
- Issue date Oct 5, 1999
- Societe L'Oreal S.A.
- Herve Richard
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Photoprotective/cosmetic compositions comprising substituted polyor...
- Patent number 5,962,484
- Issue date Oct 5, 1999
- Societe L'Oreal S.A.
- Herve Richard
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

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
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
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
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
AZOMETHINE DIRECT DYES OR REDUCED PRECURSORS OF THESE DYES OBTAINED...
- Publication number 20110041261
- Publication date Feb 24, 2011
- Madeleine Leduc
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
AZOMETHINE DIRECT DYES OR REDUCED PRECURSORS OF AZOMETHINE DIRECT D...
- Publication number 20110041262
- Publication date Feb 24, 2011
- Madeleine Leduc
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
AZOMETHINE DIRECT DYES OR REDUCED PRECURSORS OF AZOMETHINE DIRECT D...
- Publication number 20110041263
- Publication date Feb 24, 2011
- Madeleine Leduc
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PARA-PHENYLENEDIAMINE DERIVATIVES COMPRISING A CYCLIC DIAZA GROUP S...
- Publication number 20060123565
- Publication date Jun 15, 2006
- Stephane Sabelle
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Para-phenylenediamine derivatives comprising a cyclic diaza group s...
- Publication number 20050066451
- Publication date Mar 31, 2005
- Stephane Sabelle
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Pyrrolidinyl-substituted para-phenylenediamine derivatives substitu...
- Publication number 20040194227
- Publication date Oct 7, 2004
- Stephane Sabelle
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Novel dyeing composition for dyeing keratinous fibres comprising a...
- Publication number 20040187225
- Publication date Sep 30, 2004
- Laurent Vidal
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Bis-para-phenylenediamine derivatives comprising a pyrrolidyl group...
- Publication number 20040123401
- Publication date Jul 1, 2004
- Stephane Sabelle
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Dyeing composition for dyeing keratinous fibers comprising a cation...
- Publication number 20040123400
- Publication date Jul 1, 2004
- Laurent Vidal
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Para-phenylenediamine derivatives containing a pyrrolidyl group, an...
- Publication number 20040077852
- Publication date Apr 22, 2004
- Stephane Sabelle
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Composition for dyeing keratin fibers, comprising at least one para...
- Publication number 20040060127
- Publication date Apr 1, 2004
- Stephane Sabelle
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Pyrrolidinyl-substituted para-phenylenediamine derivatives substitu...
- Publication number 20030229949
- Publication date Dec 18, 2003
- Stephane Sabelle
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Siloxane dyes, compositions containing them and uses thereof
- Publication number 20030226218
- Publication date Dec 11, 2003
- L'OREAL S.A.
- Herve Richard
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Siloxane dyes, compositions containing them and uses thereof
- Publication number 20020155082
- Publication date Oct 24, 2002
- Herve Richard
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Novel insoluble S-triazine derivatives, process for their preparati...
- Publication number 20020010179
- Publication date Jan 24, 2002
- Herve Richard
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PHOTOPROTECTIVE/COSMETIC COMPOSITIONS COMPRISING A LIPOSOLUBLE, PHO...
- Publication number 20010053856
- Publication date Dec 20, 2001
- Madeleine Leduc
- C07 - ORGANIC CHEMISTRY

Madeleine LeDuc

Person

Patents Grantslast 30 patents

Triaromatic azomethine direct dyes, dye composition comprising at l...

Particular azomethine direct dyes, dye composition comprising at le...

Composition comprising at least one 2-pyrrolidone functionalized wi...

Composition comprising at least one 2-pyrrolidone functionalized in...

Azomethine direct dyes or reduced precursors of azomethine direct d...

Azomethine direct dyes or reduced precursors of these dyes obtained...

Azomethine direct dyes or reduced precursors of azomethine direct d...

Para-phenylenediamine derivatives containing a pyrrolidyl group, an...

Para-phenylenediamine derivatives comprising a cyclic diaza group s...

Pyrrolidinyl-substituted para-phenylenediamine derivatives substitu...

Bis-para-phenylenediamine derivatives comprising a pyrrolidyl group...

Dyeing composition for dyeing keratinous fibers comprising at least...

Dyeing composition for dyeing keratinous fibers comprising a cation...

Composition for dyeing keratinous fibers containing 3 amino pyrazol...

Siloxane dyes, compositions containing them and uses thereof

Sunscreen agents, photoprotective cosmetic compositions containing...

Use of heterocyclic quaternary polyammonium polymers as protective...

Photoprotective/cosmetic compositions comprising novel benz-x-azole...

Insoluble s-triazine derivatives and their use as UV filters

Use of silicon compounds to dye human keratin fibers; novel compoun...

Siloxane dyes, compositions containing same and uses thereof

Use of silicon compounds to dye human keratin fibres; novel compoun...

Silicone-substituted cinnamamide/malonamide/malonate compounds and...

Silicone-substituted cinnamamide/malonamide/malonate compounds and...

Cyclodextrin derivatives

Use of silicon compounds to dye human keratin fibres; novel compoun...

Photoprotective/cosmetic compositions comprising sulfonamido-functi...

Silicone-containing derivatives of salicylic acid which have desqua...

Photoprotective/cosmetic compositions comprising cinnamonitrile-sub...

Photoprotective/cosmetic compositions comprising substituted polyor...

Patents Applicationslast 30 patents

METHOD FOR DYEING KERATINOUS SUBSTANCES STARTING FROM COLOURED OLIG...

TRIAROMATIC AZOMETHINE DIRECT DYES, DYE COMPOSITION COMPRISING AT L...

PARTICULAR AZOMETHINE DIRECT DYES, DYE COMPOSITION COMPRISING AT LE...

COMPOSITION COMPRISING AT LEAST ONE 2-PYRROLIDONE FUNCTIONALIZED IN...

COMPOSITION COMPRISING AT LEAST ONE 2-PYRROLIDONE FUNCTIONALIZED WI...

AZOMETHINE DIRECT DYES OR REDUCED PRECURSORS OF THESE DYES OBTAINED...

AZOMETHINE DIRECT DYES OR REDUCED PRECURSORS OF AZOMETHINE DIRECT D...

AZOMETHINE DIRECT DYES OR REDUCED PRECURSORS OF AZOMETHINE DIRECT D...

PARA-PHENYLENEDIAMINE DERIVATIVES COMPRISING A CYCLIC DIAZA GROUP S...

Para-phenylenediamine derivatives comprising a cyclic diaza group s...

Pyrrolidinyl-substituted para-phenylenediamine derivatives substitu...

Novel dyeing composition for dyeing keratinous fibres comprising a...

Bis-para-phenylenediamine derivatives comprising a pyrrolidyl group...

Dyeing composition for dyeing keratinous fibers comprising a cation...

Para-phenylenediamine derivatives containing a pyrrolidyl group, an...

Composition for dyeing keratin fibers, comprising at least one para...

Pyrrolidinyl-substituted para-phenylenediamine derivatives substitu...

Siloxane dyes, compositions containing them and uses thereof

Siloxane dyes, compositions containing them and uses thereof

Novel insoluble S-triazine derivatives, process for their preparati...

PHOTOPROTECTIVE/COSMETIC COMPOSITIONS COMPRISING A LIPOSOLUBLE, PHO...