Stéphane Sabelle
47Patents
5h-index
24Co-inventors
69Inventor score
Filing activity: Mar 13, 2001 → Jun 18, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6946005B2 | Pyrrolidinyl-substituted para-phenylenediamine derivatives substituted with a cationic radical, and use of these derivatives for dyeing keratin fibers | Chemistry; Metallurgy | 12 | Expired |
| US7591860B2 | N-alkylpolyhydroxylated secondary para-phenylenediamines, dye compositions comprising them, processes, and uses thereof | Chemistry; Metallurgy | 10 | Expired |
| US7338536B2 | N-alkylamino secondary para-phenylenediamine, composition for dyeing keratin fibers comprising such a para-phenylenediamine, processes using this composition and uses thereof | Human Necessities | 6 | Expired |
| US7445645B2 | Ortho-and/or meta-substituted N-alkylhydroxylated secondary para-phenylenediamine compounds, compositions for dyeing keratin fibers comprising such compounds, and processes of dyeing therewith | Human Necessities | 5 | Expired |
| US7635394B2 | Composition for the dyeing of keratin fibers comprising at least one 3-amino-pyrazolopyridine derivatives | Human Necessities | 5 | Active |
| US8066782B2 | Azomethine direct dyes or reduced precursors of azomethine direct dyes obtained from 2-alkylresorcinols, and hair dyeing process using these dyes or precursors | Chemistry; Metallurgy | 5 | Active |
| US7186277B2 | Composition for dyeing keratin fibres, comprising a cationic para-phenylenediamine derivative substituted with a diazacyclohexane or diazacycloheptane ring | Chemistry; Metallurgy | 3 | Expired |
| US7857864B2 | Composition for the dyeing of keratin fibers comprising at least one 3-amino-pyrazolopyridine derivative | Human Necessities | 3 | Active |
| US9226883B2 | Particular azomethine direct dyes, dye composition comprising at least one such compound, implementation process therefore and use thereof | Human Necessities | 3 | Active |
| US9554977B2 | Triaromatic azomethine direct dyes, dye composition comprising at least one such dye, method of implementation and use | Human Necessities | 2 | Active |
| US8105394B2 | Azomethine direct dyes or reduced precursors of azomethine direct dyes obtained from 2-alkylresorcinols, and hair dyeing process using these dyes or precursors | Chemistry; Metallurgy | 2 | Active |
| US6923835B2 | Bis-para-phenylenediamine derivatives comprising a pyrrolidyl group and use of these derivatives for dyeing keratin fibres | Chemistry; Metallurgy | 2 | Expired |
| US8083809B2 | Azomethine direct dyes or reduced precursors of these dyes obtained from 2-chloro-3-amino-6-methylphenol, and hair dyeing method starting from these dyes and precursors | Chemistry; Metallurgy | 2 | Active |
| US7422609B2 | Double para-phenylenediamines joined by an aromatic group for dyeing keratin fibers | Human Necessities | 2 | Active |
| US7384432B2 | Secondary para-phenylenediamines having a carboxyl group, dye compositions comprising the same, and dyeing processes using the compositions | Chemistry; Metallurgy | 1 | Expired |
| US8585779B2 | Composition comprising at least one 2-pyrrolidone functionalized in the 4 position with a carboxylic acid or amide, and at least one direct dye or a pigment for dyeing keratin fibres | Chemistry; Metallurgy | 1 | Active |
| US7329288B2 | N-heteroaryl secondary para-phenylenediamine, a dye composition comprising such a para-phenylenediamine, a process for preparing this composition and use thereof | Chemistry; Metallurgy | 1 | Expired |
| US7179301B2 | Dyeing compositions for keratinous fibers containing paraphenylenediamine derivatives with pyrrolidinyl group | Human Necessities | 1 | Expired |
| US7090703B2 | Para-phenylenediamine derivatives comprising a cyclic diaza group substituted with a cationic radical, and use of these derivatives for dyeing keratin fibers | Chemistry; Metallurgy | 1 | Expired |
| US7132534B2 | Para-phenylenediamine derivatives containing a pyrrolidyl group, and use of these derivatives for coloring keratin fibers | Chemistry; Metallurgy | 1 | Expired |
| US7413580B2 | Double para-phenylenediamines joined by a linker arm substituted with one or more carboxylic radicals and/or derivatives and use in dyeing | Human Necessities | 1 | Active |
| US11117864B2 | Use for dyeing keratin fibers of a compound of azomethine type bearing a quinoline-derived unit | Human Necessities | 0 | Active |
| US10731038B2 | (Dis)symmetric azomethine-type direct dye comprising at least one pyrazolopyridine unit, process for dyeing keratin fibers using this dye | Human Necessities | 0 | Active |
| US11406580B2 | Use of dihydroisoquinolinium salts for treating keratin materials, compositions and implementation processes | Chemistry; Metallurgy | 0 | Active |
| US11083679B2 | Use of substituted dihydroisoquinolinium salts for treating keratin materials, compositions and implementation processes | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.