Eric Metais
14Patents
2h-index
9Co-inventors
36Inventor score
Filing activity: Feb 28, 2005 → Dec 22, 2008
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7582123B2 | Coloring composition comprising at least one azomethine compound with a pyrazolinone unit | Chemistry; Metallurgy | 9 | 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 |
| US7422609B2 | Double para-phenylenediamines joined by an aromatic group for dyeing keratin fibers | Human Necessities | 2 | Active |
| 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 |
| US8034124B2 | Azo derivatives containing a pyrazolinone unit for dyeing keratin fibres | Chemistry; Metallurgy | 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 |
| US7384432B2 | Secondary para-phenylenediamines having a carboxyl group, dye compositions comprising the same, and dyeing processes using the compositions | Chemistry; Metallurgy | 1 | Expired |
| 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 |
| US7776107B2 | Aminoindolizines, dyeing composition comprising at least one aminoindolizine, methods and uses thereof | Human Necessities | 1 | Active |
| US7435268B2 | N-alkylhydroxylated secondary para-phenylenediamine compounds, composition for dyeing keratin fibers comprising the same, and dyeing processes using the composition | Chemistry; Metallurgy | 0 | Expired |
| US7429278B2 | N-alkyleheteroaryl secondary para-phenylenediamine and composition comprising such a para-phenylenediamine | Chemistry; Metallurgy | 0 | Active |
| US7347879B2 | Sulfur-containing secondary para-phenylenediamines dye compositions comprising such para-phenylenediamines, processes, and uses thereof | Chemistry; Metallurgy | 0 | Expired |
| US7396367B2 | Double secondary para-phenylenediamine compounds, dye compositions comprising same, and dyeing process using the compositions | Chemistry; Metallurgy | 0 | Active |
| US7311737B2 | Secondary para-phenylenediamine compounds comprising N-alkylfluorine, dye compositions comprising them and processes of dyeing therewith | Human Necessities | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.