Herve Andrean
17Patents
9h-index
19Co-inventors
65Inventor score
Filing activity: Mar 20, 1986 → Apr 12, 2004
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| 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 |
| US5205837A | Product based on inorganic or organic lamellar particles, containing a melanotic pigment, process for preparing it and its use in cosmetics | Chemistry; Metallurgy | 32 | Expired |
| US5449403A | Product based on colored inorganic particles including a melanin pigment, process for its preparation and its use in cosmetics | Chemistry; Metallurgy | 19 | Expired |
| US6022379A | Pyrrole derivatives of 1,4-naphthoquinone and of 1,4-dihydroxynaphthalene for dyeing keratin fibers, compositions comprising the same, and dyeing process | Chemistry; Metallurgy | 18 | Expired |
| US5451254A | Fine dispersion of melanin pigments, its preparation and its use in cosmetics | Human Necessities | 17 | Expired |
| US5244497A | Process for the preparation of a melanic pigment by an enzyme route and its use in cosmetics | Chemistry; Metallurgy | 11 | Expired |
| US4692166A | Use of halogenated 4,5-methylenedioxyphenol in the dyeing of keratinous fibres | Human Necessities | 10 | Expired |
| US6451067B1 | Dyeing method using a heterocyclic cationic amine and a compound chosen from an aldehyde, a ketone, a quinone, a di-iminoisoindoline derivative and a 3-amino-isoindolone derivative | Human Necessities | 9 | Expired |
| US6077320A | Use of diiminoisoindoline derivatives or 3-aminoisoindolone derivatives for dyeing keratin fibers, and dye compositions containing them | Emerging Cross-Sectional Technologies | 9 | Expired |
| US5776497A | Product based on inorganic or organic particles bearing an indoline-based product | Emerging Cross-Sectional Technologies | 9 | Expired |
| US5145483A | Substituted ortho-aminophenols, process for preparing them and their use for the oxidatin dyeing of keratinous fibres | Chemistry; Metallurgy | 7 | Expired |
| US5427588A | Dyeing compositions containing indoline compounds and process for dyeing keratinous fibres | Chemistry; Metallurgy | 7 | Expired |
| US6635090B1 | Dyeing method using a specific cationic derivative and a compound selected among a specific aldehyde, a specific ketone, a quinone and a di-imino-isoindoline or 3-amino-isoindolone derivative | Human Necessities | 6 | Expired |
| US6458168B1 | Hair dyeing method using an aliphatic cationic amine and compound chosen from an aldehyde, a ketone, a quinone, a di-imino-isoindoline, and a 3-aminoisoindolone derivative | Human Necessities | 5 | Expired |
| US5873910A | Process for the two-stage oxidation dyeing of keratin fibers with a manganese complex or salt and a 4-substituted 1-naphthol, and dyeing kit | Human Necessities | 3 | Expired |
| US7204857B1 | Dyeing method using a specific active methylene compound and a compound selected among a specific aldehyde, a specific ketone, a quinone and a di-imino-isoindoline or 3-amino-isoindolone derivative | Human Necessities | 0 | Expired |
| US7396897B2 | N-α- and N-ε-lysine and ornithine compounds comprising a thiol function and cosmetic use thereof | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.