Inventor · disambiguated record
Madeleine Leduc
Also filed as: LEDUC MADELEINE
54 granted patents·3 pending applications·1,564 citations·filing 1983–2014
99Inventor score
Top patents by PatentIndex Score
57 records- 0198US6884265B2Dyeing composition for dyeing keratinous fibers comprising at least one particular dicationic diazo dyeOREAL·Filed 2002·Granted Apr 26, 2005·128 cites·49 claims
- 0298US6730789B1Composition for dyeing keratinous fibers containing 3 amino pyrazolo- [1,5-a] pyridines, dyeing method, novel 3-amino pyrazolo-[1,5-a] pyridinesOREAL·Filed 2000·Granted May 4, 2004·319 cites·24 claims
- 0398US5624663APhotostable cosmetic filter composition cotaining a UV-A filter and a substituted dialkylbenzalmalonate, the use of substituted dialkylbenzalmalonates in cosmetics as broad-band solar filters and novel substituted dialkyl malonatesOREAL·Filed 1995·Granted Apr 29, 1997·343 cites·11 claims
- 0495US6361764B2Insoluble s-triazine derivatives and their use as UV filtersOREAL·Filed 2001·Granted Mar 26, 2002·45 cites·9 claims
- 0593US4585597A3-benzylidene-camphors, process for their preparation and their use in protection against UV raysOREAL·Filed 1983·Granted Apr 29, 1986·94 cites·14 claims
- 0690US4822375ADyeing compositions for keratinous fibres based on indole derivatives, and new compoundsOREAL·Filed 1987·Granted Apr 18, 1989·30 cites·25 claims
- 0789US5236698AS-triazine derivatives carrying benzalmalonate substituents, and cosmetic uv screening compositionsOREAL·Filed 1993·Granted Aug 17, 1993·40 cites·11 claims
- 0889US4726942ACosmetic composition for protection against ultraviolet radiation and its use for this purposeOREAL·Filed 1984·Granted Feb 23, 1988·37 cites·16 claims
- 0985US9226883B2Particular azomethine direct dyes, dye composition comprising at least one such compound, implementation process therefore and use thereofOREAL·Filed 2012·Granted Jan 5, 2016·3 cites·5 claims
- 1085US5849909ABenzalmalonatae/phenylcyanoacrylate-substituted S-triazine compoundsSOCIETEL OREAL S A·Filed 1997·Granted Dec 15, 1998·31 cites·10 claims
- 1185US5610257APhotoprotective/cosmetic compositions comprising benzotriazole-substituted polyorganosiloxanes/polyorganosilanesOREAL·Filed 1995·Granted Mar 11, 1997·30 cites·23 claims
- 1284US8066782B2Azomethine direct dyes or reduced precursors of azomethine direct dyes obtained from 2-alkylresorcinols, and hair dyeing process using these dyes or precursorsLEDUC MADELEINE·Filed 2008·Granted Nov 29, 2011·6 cites·19 claims
- 1382US6376679B2Photoprotective/cosmetic compositions comprising novel benz-x-azole-substituted silane/siloxane sunscreensOREAL·Filed 2000·Granted Apr 23, 2002·13 cites·41 claims
- 1481US6946005B2Pyrrolidinyl-substituted para-phenylenediamine derivatives substituted with a cationic radical, and use of these derivatives for dyeing keratin fibersOREAL·Filed 2003·Granted Sep 20, 2005·15 cites·36 claims
- 1580US9554977B2Triaromatic azomethine direct dyes, dye composition comprising at least one such dye, method of implementation and useOREAL·Filed 2012·Granted Jan 31, 2017·2 cites·15 claims
- 1679US8105394B2Azomethine direct dyes or reduced precursors of azomethine direct dyes obtained from 2-alkylresorcinols, and hair dyeing process using these dyes or precursorsLEDUC MADELEINE·Filed 2008·Granted Jan 31, 2012·2 cites·14 claims
- 1778US6517742B1Sunscreen agents, photoprotective cosmetic compositions containing them and uses thereofOREAL·Filed 1997·Granted Feb 11, 2003·21 cites·21 claims
- 1878US4814162ACosmetic compositions containing hydroxyl derivatives of dibenzoylmethane and their use in protecting the skin against ultraviolet rays and derivatives for use thereinOREAL·Filed 1985·Granted Mar 21, 1989·15 cites·25 claims
- 1977US5004594ABenzylidenecamphor sulphonamides derived from amino acids and their application in cosmetics, particularly as sunscreensOREAL·Filed 1988·Granted Apr 2, 1991·13 cites·15 claims
- 2076US5928630ABenzalmalonate/phenylcyanoacrylate-substituted s-triazine compounds and photoprotective/cosmetic compositions comprised thereofOREAL·Filed 1998·Granted Jul 27, 1999·18 cites·17 claims
- 2176US5827509APhotoprotective/cosmetic compositions comprising cinnamonitrile-substituted polyorganosiloxanes/polyorganosilanesOREAL·Filed 1995·Granted Oct 27, 1998·17 cites·23 claims
- 2276US5670140APhotostable cosmetic filter composition containing a UV-A filter and a substituted dialkylbenzalmalonate, the use of substituted dialkylbenzalmalonates in cosmetics as broad-band solar filters and novel substituted dialkylmalonatesOREAL·Filed 1996·Granted Sep 23, 1997·39 cites·10 claims
- 2373US6884266B2Dyeing composition for dyeing keratinous fibers comprising a cationic azo-dyeOREAL·Filed 2002·Granted Apr 26, 2005·8 cites·37 claims
- 2473US6416770B1Use of heterocyclic quaternary polyammonium polymers as protective agent for keratin fibres and cosmetic compositionsOREAL·Filed 1999·Granted Jul 9, 2002·40 cites·230 claims
- 2573US5587151APhotoprotective/cosmetic compositions comprising oxanilido-substituted polyorganosiloxanes/polyorganosilanesOREAL·Filed 1995·Granted Dec 24, 1996·17 cites·26 claims
- 2671US8083809B2Azomethine 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 precursorsLEDUC MADELEINE·Filed 2008·Granted Dec 27, 2011·2 cites·16 claims
- 2771US4654434A3-benzylidene-camphors, process for their preparation and their use in protection against UV raysOREAL·Filed 1986·Granted Mar 31, 1987·10 cites·14 claims
- 2870US6923835B2Bis-para-phenylenediamine derivatives comprising a pyrrolidyl group and use of these derivatives for dyeing keratin fibresOREAL·Filed 2003·Granted Aug 2, 2005·5 cites·34 claims
- 2969US8585779B2Composition 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 fibresSABELLE STEPHANE·Filed 2011·Granted Nov 19, 2013·1 cites·17 claims
- 3065US5252323As-Triazine compounds substituted by benzylidenecamphor substituents and cosmetic compositions containing the s-triazine compoundsOREAL·Filed 1992·Granted Oct 12, 1993·30 cites·12 claims
- 3164US6027537AUse of silicon compounds to dye human keratin fibres; novel compounds and compositions containing themOREAL·Filed 1997·Granted Feb 22, 2000·20 cites·24 claims
- 3260US6114559ASilicone-substituted cinnamamide/malonamide/malonate compounds and photoprotective compositions comprised thereofOREAL·Filed 1997·Granted Sep 5, 2000·8 cites·19 claims
- 3360US5714134APhotoprotective/cosmetic compositions comprising benzotriazole-substituted polyorganosiloxanes/polyorganosilanesOREAL·Filed 1996·Granted Feb 3, 1998·18 cites·34 claims
- 3459US7090703B2Para-phenylenediamine derivatives comprising a cyclic diaza group substituted with a cationic radical, and use of these derivatives for dyeing keratin fibersOREAL·Filed 2004·Granted Aug 15, 2006·1 cites·40 claims
- 3559US6045812ACyclodextrin derivativesOREAL·Filed 1996·Granted Apr 4, 2000·20 cites·13 claims
- 3658US5854225ACompounds derived from cyclodextrinOREAL·Filed 1996·Granted Dec 29, 1998·15 cites·19 claims
- 3757US7132534B2Para-phenylenediamine derivatives containing a pyrrolidyl group, and use of these derivatives for coloring keratin fibersOREAL·Filed 2003·Granted Nov 7, 2006·1 cites·26 claims
- 3857US6197911B1Siloxane dyes, compositions containing same and uses thereofOREAL·Filed 1997·Granted Mar 6, 2001·5 cites·39 claims
- 3956US5663270APhotoprotective/cosmetic compositions comprising substituted polyorganosiloxanes/polyorganosilanesOREAL·Filed 1995·Granted Sep 2, 1997·15 cites·23 claims
- 4056US2016310383A1Method for dyeing keratinous substances starting from coloured oligomers and/or polymers resulting from meta-phenylenediamines, composition and dyeing agentOREAL·Filed 2014·Application pending·0 cites
- 4155US5756485ASilicone-containing derivatives of salicylic acid which have desquamating propertiesOREAL·Filed 1997·Granted May 26, 1998·8 cites·21 claims
- 4253US5900231ASilicone-containing derivatives of salicylic acid which have desquamating propertiesOREAL·Filed 1998·Granted May 4, 1999·7 cites·23 claims
- 4353US4956174ACompositions for coloring the skin based on indole derivativesOREAL·Filed 1987·Granted Sep 11, 1990·17 cites·11 claims
- 4453US2003226218A1Siloxane dyes, compositions containing them and uses thereofOREAL·Filed 2003·Application pending·0 cites
- 4552US6667343B2Siloxane dyes, compositions containing them and uses thereofOREAL·Filed 2001·Granted Dec 23, 2003·1 cites·16 claims
- 4650US6004540APhotoprotective/cosmetic compositions comprising sulfonamido-functional polyorganosiloxanes/polyorganosilanesOREAL·Filed 1997·Granted Dec 21, 1999·12 cites·27 claims
- 4748US6080880ASilicone-substituted cinnamamide/malonamide/malonate compounds and photoprotective compositions comprised thereofOREAL·Filed 1997·Granted Jun 27, 2000·9 cites·20 claims
- 4848US5569451APhotoprotective/cosmetic compositions comprising triorganosilylated benzotriazolesOREAL·Filed 1995·Granted Oct 29, 1996·10 cites·15 claims
- 4943US6203578B1Use of silicon compounds to dye human keratin fibers; novel compounds and compositions containing themOREAL·Filed 1999·Granted Mar 20, 2001·6 cites·15 claims
- 5042US4663088A3-benzylidene-camphors, process for their preparation and their use in protection against UV raysOREAL·Filed 1986·Granted May 5, 1987·8 cites·16 claims
Showing the top 50 of 57 patent records by PatentIndex Score.
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