Inventor · Verneuil-sur-Seine, FR

Jean Cotteret

131Patents
20h-index
37Co-inventors
90Inventor score

Filing activity: Jul 8, 1980 → Dec 22, 2010

Most-cited inventions

PatentTitleAreaCited byStatus
US5364414A Tinctorial composition for keratinous fibres containing oxidation dye precursors and aminoindole couplers, methods for dyeing using these compositions and new compounds Human Necessities 65 Expired
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
US5792221A Hydroxypropylated 2-nitro-p-phenylenediamines, and compositions for dyeing keratinous fibers which contain hydroxypropylated 2-nitro-p-phenylenediamines Chemistry; Metallurgy 53 Expired
US5645609A Compositions which contain and processes which use an insoluble pigment obtained by the oxidative polymerization of indole derivatives for the temporary dyeing of keratinous fibers Human Necessities 52 Expired
US4886517A Dyeing composition for human hair containing an azo dye Chemistry; Metallurgy 51 Expired
US5000937A Transparent cosmetic composition that reflects infrared radiation and its use for protecting the human epidermis against infrared radiation Emerging Cross-Sectional Technologies 46 Expired
US5735908A Compositions and processes for the oxidative dyeing of keratin fibres with para-phenylenediamine derivatives and a cationic substantive polymer Human Necessities 37 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
US5259849A Composition based on quinone dyestuffs for use in hair dyeing and process for the preservation of quinone dyestuffs Human Necessities 33 Expired
US5578087A Dyeing compositions for keratinous fibres based on para-phenylene-diamines, meta-phenylenediamine and benzimidazole derivatives, and dyeing process employing them Human Necessities 32 Expired
US6797013B1 Oxidation dyeing composition for keratinous fibres containing a 3-aminopyridine azo derivative and dyeing method using said composition Human Necessities 30 Expired
US6423100B1 Composition for oxidation dyeing of keratin fibers and process using same Human Necessities 30 Expired
US5938792A Process for dyeing keratinous fibers with aminoindoles and oxidation dye precursors at basic Ph's and dyeing agents Human Necessities 26 Expired
US5254135A Methods for dyeing keratinous fibres with aminoindoles, compositions and devices for use Human Necessities 26 Expired
US5769903A Composition for the oxidation dyeing of keratin fibers, comprising an oxidation base, an indole coupler and an additional heterocyclic coupler, and dyeing process Human Necessities 24 Expired
US6592633B2 Dye composition for keratin fibers, with a cationic direct dye and a substantive polymer Human Necessities 23 Expired
US5628991A Cosmetic composition containing a diaminoalkane as an odorless alkalifying agent Emerging Cross-Sectional Technologies 23 Expired
US5391206A Method for dyeing keratinous fibers using 4-hydroxyindole at acid pH and composition used Human Necessities 20 Expired
US6576024B1 Mixture for the oxidation tinting of keratin fibres containing a laccase and tinting method using said mixture Human Necessities 19 Expired
US5032382A Light-stable screening cosmetic composition containing bixin combined with a lipid-soluble UV filter and its use for protecting the human epidermis against ultra-violet radiation Emerging Cross-Sectional Technologies 19 Expired
US5609649A Tinctorial composition for keratinous fibers containing oxidation dye precursors and couplers derived from 4-hydroxyindole, and dyeing method using them Human Necessities 19 Expired
US5207798A Process for dyeing keratinous fibres, at acid pH using 6- or 7-monohydroxyindoles and the compositions employed Human Necessities 19 Expired
US4750908A Composition and method for dyeing human hair with isatin Human Necessities 18 Expired

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