Inventor · disambiguated record
Hervé David
Also filed as: DAVID HERVE · DAVID HERVÉ
27 granted patents·14 pending applications·248 citations·filing 2002–2023
95Inventor score
Top patents by PatentIndex Score
41 records- 0195US7001436B2Dyeing composition for keratinous fibres comprising a particular dicationic diazo dyeOREAL·Filed 2002·Granted Feb 21, 2006·61 cites·49 claims
- 0294US7399320B2Use of tetra-azapentamethine compounds as direct dyeing agents and novel tetra-azapentamethine compoundsOREAL·Filed 2007·Granted Jul 15, 2008·17 cites·29 claims
- 0394US7300471B2Composition comprising at least one mixed dye based on at least one chromophore of azo or tri(hetero) arylmethane type, dyeing process and mixed dyes.OREAL·Filed 2005·Granted Nov 27, 2007·14 cites·42 claims
- 0494US7060110B2Dyeing composition for dyeing keratinous fibres comprising a particular dicationic monoazo dyeOREAL·Filed 2002·Granted Jun 13, 2006·51 cites·40 claims
- 0591US7303591B2Composition comprising at least one mixed dye comprising at least two chromophores of (hetero) aromatic nitro or cyclic azine type, dyeing process, and mixed dyesOREAL·Filed 2005·Granted Dec 4, 2007·8 cites·37 claims
- 0691US7247713B2Symmetrical diazo compounds containing 2-pyridinium groups and cationic or non-cationic linker, compositions comprising them, method of coloring, and deviceOREAL·Filed 2005·Granted Jul 24, 2007·11 cites·37 claims
- 0790US7288639B2Dyssymmetrical diazo compounds having at least one 4-pyridinium unit and a cationic or non-cationic linker, compositions comprising them, method of coloring, and deviceOREAL·Filed 2005·Granted Oct 30, 2007·9 cites·35 claims
- 0889US7077873B2Composition for the dyeing of human keratinous fibres comprising a monocationic monoazo dyeOREAL·Filed 2003·Granted Jul 18, 2006·40 cites·47 claims
- 0986US7311736B2Use of tetra-azapentamethine compounds as direct dyeing agents and novel tetra-azapentamethine compoundsOREAL·Filed 2003·Granted Dec 25, 2007·17 cites·56 claims
- 1083US7208586B2Cationic diazo compounds, compositions comprising them as direct dye, process for dyeing keratin fibers and device thereforOREAL·Filed 2005·Granted Apr 24, 2007·2 cites·50 claims
- 1182US7288121B2Composition comprising at least one mixed dye comprising at least one chromophore chosen from compounds of the methine family and/or the carbonyl family, dyeing process and kit, and mixed dyesOREAL·Filed 2005·Granted Oct 30, 2007·5 cites·32 claims
- 1281US7410506B2Dicationic bis-hydrazone compound, dye composition comprising at least one such compound, implementation process therefor and uses thereofOREAL·Filed 2005·Granted Aug 12, 2008·2 cites·33 claims
- 1380US9839591B2Anionic dye or brightener bearing an ammonium or phosphonium counterion, dye composition comprising them and process for dyeing keratin fibres using these dyesOREAL·Filed 2013·Granted Dec 12, 2017·2 cites·13 claims
- 1475US7396368B2Symmetrical diazo compounds comprising 4-pyridinium groups and a cationic or non-cationic linker, compositions comprising them, method for coloring, and deviceOREAL·Filed 2005·Granted Jul 8, 2008·3 cites·33 claims
- 1575US7351267B2Symmetrical diazo compounds comprising 2-imidazolium groups and a non-cationic linke, compositions comprising them, method of coloring, and deviceOREAL·Filed 2005·Granted Apr 1, 2008·3 cites·27 claims
- 1669US7438728B2Dissymmetrical diazo compounds comprising 2-pyridinium group and a cationic or non-cationic linker, compositions comprising them, method for coloring, and deviceOREAL·Filed 2005·Granted Oct 21, 2008·2 cites·40 claims
- 1769US2025136891A1Perfume concrete and absolute which are obtained by organic (poly)ol solvent extraction from solid natural substancesOREAL·Filed 2023·Application pending·0 cites
- 1869US2025188383A1Perfume concrete and absolute which are obtained by ketone or dioxolane-type solvent extraction from solid natural substancesOREAL·Filed 2023·Application pending·0 cites
- 1969US2025368918A1Perfume concrete and absolute which are obtained by alkane solvent extraction from solid natural substancesOREAL·Filed 2023·Application pending·0 cites
- 2067US7988741B2Specific naphthalmide-type dyes, dye composition comprising at least one such dye, process using same and usesOREAL·Filed 2010·Granted Aug 2, 2011·1 cites·35 claims
- 2161US2023392095A1Fragrance concrete and absolute obtained by extraction of heterocyclic solvent from solid natural materialsOREAL·Filed 2021·Application pending·0 cites
- 2253US10888510B2Process for dyeing keratin fibres using at least one particular 2- or 4-azopyridinium dye and at least one fluorescent dyeOREAL·Filed 2017·Granted Jan 12, 2021·0 cites·23 claims
- 2352US11278482B2Process for dyeing keratin materials using at least one blue, purple or green dye and at least one disulfide, thiol or protected thiol fluorescent dyeOREAL·Filed 2018·Granted Mar 22, 2022·0 cites·20 claims
- 2452US7288122B2Cationic diazo compounds, compositions comprising them as direct dye, process for dyeing keratin fibers and device thereforOREAL·Filed 2005·Granted Oct 30, 2007·0 cites·24 claims
- 2552US7285138B2Cationic diazo compound, compositions comprising at least one cationic diazo compound as a direct dye, a process for dyeing keratin fibers and device thereforeOREAL·Filed 2005·Granted Oct 23, 2007·0 cites·38 claims
- 2652US7282068B2Polycationic azo compounds for dyeing keratin fibers, dye composition containing the same, and methods for making such compoundsOREAL·Filed 2005·Granted Oct 16, 2007·0 cites·55 claims
- 2752US2005060815A1Novel heteroaromatic trinuclear black direct dyesFiled 2003·Application pending·0 cites
- 2851US2015101132A1Cationic dye bearing an anionic organic counterion, dye composition comprising them and process for dyeing keratin using these dyesOREAL·Filed 2013·Application pending·0 cites
- 2949US2010031453A1Composition for dyeing keratin fibres, comprising a cationic diazo direct dye containing a 2-imidazolium unitGREAVES ANDREW·Filed 2007·Application pending·0 cites
- 3048US10980729B2Process for dyeing keratin fibres using at least one particular azinium dye and at least one fluorescent dyeOREAL·Filed 2017·Granted Apr 20, 2021·0 cites·19 claims
- 3148US10959930B2Process for dyeing keratin fibres using at least one particular triarylmethane dye and at least one fluorescent dyeOREAL·Filed 2017·Granted Mar 30, 2021·0 cites·21 claims
- 3248US2020306160A1Process for dyeing keratin fibres using at least one particular 2-azo(benz)imidazolium dye and at least one fluorescent dyeOREAL·Filed 2017·Application pending·0 cites
- 3347US2009062517A2Dissymmetrical Diazo Compounds Containing Having at Least One 2-imidazolium Unit and a Cationic or Non-cationic Linker, Compositions Comprising Them, Method of Coloring, and DeviceOREAL·Filed 2005·Application pending·0 cites
- 3446US7282069B2Cationic diazo compounds, compositions comprising them as direct dye, process for dyeing keratin fibers and device thereforOREAL·Filed 2005·Granted Oct 16, 2007·0 cites·27 claims
- 3546US2008168607A1Unsymmetrical Diazo Compounds, Compositions Comprising Same, Dyeing Method and Device Comprising Said CompositionsDAVID HERVE·Filed 2005·Application pending·0 cites
- 3646US2006156490A1Symmetrical diazo compounds comprising 2-imidazolium groups and a cationic linker, compositions comprising them, method of coloring, and deviceDAVID HERVE·Filed 2005·Application pending·0 cites
- 3745US8012220B2Specific monocationic monochromophoric compounds of hydrazone type comprising a 2-, 4-pyridinium or 2-, 4-quinolinium unit, synthesis thereof, dye compositions containing them, and method for dyeing keratin fibresOREAL·Filed 2007·Granted Sep 6, 2011·0 cites·10 claims
- 3844US7569079B2Polycationic monochromophoric hydrazone compounds, dye compositions comprising such polycationic compounds and dyeing process using themOREAL·Filed 2008·Granted Aug 4, 2009·0 cites·21 claims
- 3944US2008115296A1Symmetrical Cationic Tetraazo Compounds, for Dyeing Keratin FibresJOHNSON CONTROLS TECH CO·Filed 2005·Application pending·0 cites
- 4044US2023240954A1Use of anthraquinone dyes and of fluorescent dyes for dyeing keratin fibres, dyeing process and compositionOREAL·Filed 2017·Application pending·0 cites
- 4143US2008196175A1Particular Dissymmetrical Cationic Polyazo Compounds, Compositions Comprising Them as Direct Dye, Process For Dyeing Keratin Fibres and Device ThereforGREAVES ANDREW·Filed 2005·Application pending·0 cites
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