Inventor · Paris, FR

Laurent Vidal

52Patents
15h-index
23Co-inventors
84Inventor score

Filing activity: May 3, 1996 → Jun 12, 2015

Most-cited inventions

PatentTitleAreaCited byStatus
US6099592A Composition for dyeing keratin fibers which contain at least one diaminopyrazole, dyeing process, novel diaminopyrazoles and process for their preparation Chemistry; Metallurgy 333 Expired
US6645258B2 Composition for dyeing keratin fibers which contain at least one diaminopyrazole, dyeing process, novel diaminopyrazoles and process for their preparation Chemistry; Metallurgy 241 Expired
US6338741B1 Composition for dyeing keratin fibers which contain at least one diaminopyrazole, dyeing process, novel diaminopyrazoles and process for their preparation Chemistry; Metallurgy 216 Expired
US6884265B2 Dyeing composition for dyeing keratinous fibers comprising at least one particular dicationic diazo dye Human Necessities 64 Expired
US7285137B2 Composition for dyeing keratinous fibers comprising at least one diamino-N,N-dihydropyrazolone derivative Human Necessities 54 Expired
US6893471B2 Dyeing composition for keratinous fibers comprising a particular dicationic diazo dye Chemistry; Metallurgy 29 Expired
US7060110B2 Dyeing composition for dyeing keratinous fibres comprising a particular dicationic monoazo dye Chemistry; Metallurgy 29 Expired
US7001436B2 Dyeing composition for keratinous fibres comprising a particular dicationic diazo dye Chemistry; Metallurgy 28 Expired
US6881230B2 Dyeing composition for dyeing keratinous fibers comprising a cationic azo-dye Human Necessities 25 Expired
US7022143B2 Dyeing composition for dyeing keratinous fibers comprising a cationic azo-dye Human Necessities 25 Expired
US6884267B2 Dyeing composition for dyeing keratinous fibers comprising at least one cationic azo-dye Human Necessities 23 Expired
US6824570B2 Composition for dyeing human keratin fibres, comprising a particular monocationic monoazo dye Human Necessities 23 Expired
US5931973A 4,5-dIiminopyrazolines, processes for their preparation, and their application in keratin fiber dyeing compositions and processes Human Necessities 22 Expired
US7077873B2 Composition for the dyeing of human keratinous fibres comprising a monocationic monoazo dye Chemistry; Metallurgy 18 Expired
US6118008A Diamino pyrazols, their synthesis, keratin fibre dyeing compositions containing them, keratin fibre dyeing methods Chemistry; Metallurgy 16 Expired
US6179882A Keratin fibre dye composition containing pyrazolopyrimidinoxo compounds, use thereof as dye couplers, and dyeing methods Human Necessities 13 Expired
US7407516B2 Dyeing composition for keratinous fibers comprising a dicationic diazo dye Chemistry; Metallurgy 11 Expired
US6855827B2 Compositions for dyeing keratinous fibers comprising pyrazoloazoles; their use in dyeing as oxidation base and dyeing process; and novel pyrazoloazoles Chemistry; Metallurgy 11 Expired
US7635394B2 Composition for the dyeing of keratin fibers comprising at least one 3-amino-pyrazolopyridine derivatives Human Necessities 5 Active
US6210447A Compositions containing pyrazolin-3,5-dione couplers for use in keratin fiber dyeing methods and kits Human Necessities 4 Expired
US5958382A 4,4-dihydroxy-5-pyrazolinones and cosmetic/dermatological compositions comprised thereof Chemistry; Metallurgy 4 Expired
US6884266B2 Dyeing composition for dyeing keratinous fibers comprising a cationic azo-dye Human Necessities 4 Expired
US6139589A Compositions for dyeing keratin fibers containing pyrazolo[3, 4-d]thiazoles as couplers and dyeing methods Human Necessities 4 Expired
US6837908B2 2,5-diaminopyridine oxidation bases for the dyeing of keratin fibres Chemistry; Metallurgy 4 Expired
US6165229A Imidazoloazole-containing compositions for dyeing keratin fibers; their use in dyeing as couplers; dyeing process Human Necessities 3 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.