Inventor · Sartrouville, FR

Christine Rondeau

35Patents
13h-index
12Co-inventors
74Inventor score

Filing activity: Jul 11, 1995 → Feb 23, 2009

Most-cited inventions

PatentTitleAreaCited byStatus
US5919273A Compositions and processes for dyeing keratin fibers with an oxidation base, a coupler, a cationic direct dye, and an oxidizing agent Human Necessities 60 Expired
US5993490A Composition for the oxidation dyeing of keratin fibers containing a cationic direct dye and dyeing process using this composition Human Necessities 58 Expired
US6001135A Compositions and processes for dyeing keratin fibers with cationic direct dyes, oxidation bases, and oxidizing agents Human Necessities 54 Expired
US6695887B2 COMPOSITIONS FOR OXIDATION DYEING KERATIN FIBERS COMPRISING AT LEAST ONE FATTY ALCOHOL HAVING MORE THAN TWENTY CARBON ATOMS AND AT LEAST ONE OXYALKYLENATED NONIONIC SURFACTANT WITH AN HLB GREATER THAN 5 Human Necessities 39 Expired
US6436151B2 COMPOSITIONS FOR OXIDATION DYEING KERATIN FIBERS COMPRISING AT LEAST ONE OXIDATION DYE, AT LEAST ONE THICKENING POLYMER COMPRISING AT LEAST ONE FATTY CHAIN, AND AT LEAST ONE FATTY ALCOHOL COMPRISING MORE THAN TWENTY CARBON ATOMS AND USES THEREOF Human Necessities 39 Expired
US6190421A Method for dyeing keratin fibres with oxidation dye precursors and direct powder dyes Human Necessities 38 Expired
US5879412A Compositions and processes for dyeing keratin fibers with an oxidation base, a coupler, a cationic direct dye, and an oxidizing agent Human Necessities 36 Expired
US7458993B2 Composition useful for the oxidation dyeing of human keratinous fibres Human Necessities 32 Expired
US7442215B2 Process for coloring keratin fibers comprising treating the scalp with at least one sorbitan ester Human Necessities 30 Active
US6712861B2 Composition for dyeing keratin fibers and dyeing method using same Human Necessities 22 Expired
US6436153B1 Composition for the direct dyeing of keratin fibres with a cationic direct dye and a polyol and/or a polyol ether Human Necessities 18 Expired
US5824296A Solid hair composition containing a particular structuring agent Human Necessities 16 Expired
US6432146B1 Use of a combination of two cationic dyes for the direct dyeing of keratin fibers Chemistry; Metallurgy 14 Expired
US7507260B2 Composition for dyeing keratinous fibres with a cationic direct dye and a silicone Human Necessities 13 Active
US7326256B2 Composition for the oxidation dyeing of keratin fibers, comprising at least one non-oxyalkenylated fatty alcohol, at least one oxidation dye, at least one associative polymer, and at least one amide of an alkanolamine and a C14-C30 fatty acid Human Necessities 9 Expired
US7323015B2 Oxidation dyeing composition for keratin fibers comprising a cationic poly(vinyllactam) and at least One C10-C14 fatty alcohol, methods and devices for oxidation dyeing Human Necessities 7 Expired
US7329287B2 Oxidation dye composition for keratin fibers, comprising at least one oxidation dye, at least one associative polymer, at least one nonionic cellulose-based compound not comprising a C8-C30 fatty chain, and at least one cationic polymer with a charge density of greater than 1 meq/g and not comprising a C8-C30 fatty chain Human Necessities 7 Expired
US7722682B2 Composition for the oxidation dyeing of keratin fibers, comprising at least one fatty alcohol, at least one oxidation dye, at least one associative polymer, and at least one compound chosen from fatty acid esters and metal oxides Human Necessities 7 Active
US7771492B2 Compositions for oxidation dyeing keratin fibers comprising at least one thickening polymer comprising at least one fatty chain and at least one fatty alcohol chosen from monoglycerolated fatty alcohols and polyglycerolated fatty alcohols Human Necessities 6 Active
US7410505B2 Composition for the oxidation dyeing of keratin fibers, comprising at least one oxidation dye, at least one associative polymer, and at least one aminosilicone Human Necessities 4 Expired
US7431740B2 Oxidation dyeing composition for keratinous fibers comprising an associative polymer and a pearling agent Human Necessities 3 Expired
US7364594B2 Dyeing composition for keratinous fibres comprising an associative polymer and a polymer with acrylamide units, dialkyldiallylammonium halide, and vinylic carboxylic acid Human Necessities 3 Expired
US7147672B2 Oxidation dyeing composition for keratin fibers comprising a cationic poly(vinyllactam) and at least one C10-C14 fatty acid, methods and devices for oxidation dyeing Human Necessities 2 Expired
US7972387B2 Composition for dyeing keratin fibers comprising at least one oxidation base and a polyoxyethylenated sorbitan ester Human Necessities 2 Active
US7087096B2 Composition for dyeing keratinous fibers with a cationic direct dye and a quaternary ammonium salt Human Necessities 2 Expired

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