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Hervé David — 27 Patents

LSL'Oreal S.A.: 18 patents #32 of 559Top 6%

L'L'Oreal: 8 patents #302 of 2,221Top 15%

L'L'Oréal: 1 patents #96 of 67Top 145%

Joinville-le-Pont, FR: #2 of 47 inventorsTop 5%

Overall (All Time): #142,059 of 4,157,543Top 4%

27 Patents All Time

Hervé David has been granted 27 US patents while listed as an inventor at L'Oreal S.A.. The first was granted in 2006 and the most recent in March 2022. Hervé David ranks #142,059 of 4,157,543 US inventors in our database (top 3.4%). Patent records list Hervé David in Joinville-le-Pont, FR.

Patents per Year

Issued Patents All Time

Showing 1–25 of 27 patents

Patent #	Title	Co-Inventors	Date
11278482	Process for dyeing keratin materials using at least one blue, purple or green dye and at least one disulfide, thiol or protected thiol fluorescent dye	Christian Blaise	2022-03-22
10980729	Process for dyeing keratin fibres using at least one particular azinium dye and at least one fluorescent dye	Christian Blaise	2021-04-20
10959930	Process for dyeing keratin fibres using at least one particular triarylmethane dye and at least one fluorescent dye	Christian Blaise, Aziz Fadli	2021-03-30
10888510	Process for dyeing keratin fibres using at least one particular 2- or 4-azopyridinium dye and at least one fluorescent dye	Christian Blaise	2021-01-12
9839591	Anionic dye or brightener bearing an ammonium or phosphonium counterion, dye composition comprising them and process for dyeing keratin fibres using these dyes	—	2017-12-12
8012220	Specific 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 fibres	Nadège Murguet, Andrew Greaves	2011-09-06
7988741	Specific naphthalmide-type dyes, dye composition comprising at least one such dye, process using same and uses	Tiina Luukas, Andrew Greaves	2011-08-02
7569079	Polycationic monochromophoric hydrazone compounds, dye compositions comprising such polycationic compounds and dyeing process using them	Nadège Murguet	2009-08-04
7438728	Dissymmetrical diazo compounds comprising 2-pyridinium group and a cationic or non-cationic linker, compositions comprising them, method for coloring, and device	Andrew Greaves, Nicolas Daubresse	2008-10-21
7410506	Dicationic bis-hydrazone compound, dye composition comprising at least one such compound, implementation process therefor and uses thereof	Andrew Greaves, Leïla Hercouet, Alain Lagrange	2008-08-12
7399320	Use of tetra-azapentamethine compounds as direct dyeing agents and novel tetra-azapentamethine compounds	Herve Burgaud, Rui Filipe Andrade Pereira, Beatrice Belcour-Castro	2008-07-15
7396368	Symmetrical diazo compounds comprising 4-pyridinium groups and a cationic or non-cationic linker, compositions comprising them, method for coloring, and device	Andrew Greaves, Nicolas Daubresse	2008-07-08
7351267	Symmetrical diazo compounds comprising 2-imidazolium groups and a non-cationic linke, compositions comprising them, method of coloring, and device	Andrew Greaves, Nicolas Daubresse	2008-04-01
7311736	Use of tetra-azapentamethine compounds as direct dyeing agents and novel tetra-azapentamethine compounds	Herve Burgaud, Rui Filipe Andrade Pereira, Beatrice Belcour-Castro	2007-12-25
7303591	Composition comprising at least one mixed dye comprising at least two chromophores of (hetero) aromatic nitro or cyclic azine type, dyeing process, and mixed dyes	Andrew Greaves, Henri Samain	2007-12-04
7300471	Composition comprising at least one mixed dye based on at least one chromophore of azo or tri(hetero) arylmethane type, dyeing process and mixed dyes.	Andrew Greaves, Henri Samain	2007-11-27
7288121	Composition 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 dyes	Andrew Greaves, Henri Samain	2007-10-30
7288122	Cationic diazo compounds, compositions comprising them as direct dye, process for dyeing keratin fibers and device therefor	Andrew Greaves	2007-10-30
7288639	Dyssymmetrical diazo compounds having at least one 4-pyridinium unit and a cationic or non-cationic linker, compositions comprising them, method of coloring, and device	Andrew Greaves, Nicolas Daubresse	2007-10-30
7285138	Cationic diazo compound, compositions comprising at least one cationic diazo compound as a direct dye, a process for dyeing keratin fibers and device therefore	Andrew Greaves	2007-10-23
7282069	Cationic diazo compounds, compositions comprising them as direct dye, process for dyeing keratin fibers and device therefor	Andrew Greaves	2007-10-16
7282068	Polycationic azo compounds for dyeing keratin fibers, dye composition containing the same, and methods for making such compounds	Alain Lagrange, Andrew Greaves	2007-10-16
7247713	Symmetrical diazo compounds containing 2-pyridinium groups and cationic or non-cationic linker, compositions comprising them, method of coloring, and device	Andrew Greaves, Nicolas Daubresse	2007-07-24
7208586	Cationic diazo compounds, compositions comprising them as direct dye, process for dyeing keratin fibers and device therefor	Andrew Greaves	2007-04-24
7077873	Composition for the dyeing of human keratinous fibres comprising a monocationic monoazo dye	Nathalie Berteuil, Laurent Vidal	2006-07-18