Issued Patents 2003
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6669739 | Agent for coloring fibers and method for temporarily coloring fibers | Guido Sauter, Nadia Reichlin | 2003-12-30 |
| 6652601 | Agent for dyeing fibers comprising an indoline/indolium derivative | Guido Sauter, Nadia Reichlin | 2003-11-25 |
| 6648923 | Compositions containing 1,4-diamino-2-methoxymethylbenzene and salts thereof and methods for dyeing keratin fibers with same | Otto Goettel, Aline Pirrello, Andre Hayoz | 2003-11-18 |
| 6602302 | Substituted 1,4 diaminobenzene compounds and oxidation dye precursor compositions containing same | Laurent Chassot | 2003-08-05 |
| 6600050 | Diaminopyrazole derivatives and dyes containing said compounds | Laurent Chassot | 2003-07-29 |
| 6592631 | p-Aminophenol derivative compounds and dye compositions containing same | Laurent Chassot | 2003-07-15 |
| 6570019 | Cationic pyrrolo-pyrrol-derivatives, method for producing them and colorants for keratin fibers, containing these compounds | Cecile Pasquier, Patrick Wyss | 2003-05-27 |
| 6558433 | Process for dyeing keratin fibers comprising 1,4-diamino-2-methoxymethylbenzene and salts thereof | Otto Goettel, Aline Pirrello, Andre Hayoz | 2003-05-06 |
| 6554871 | Oxidative hair dye precursor compositions containing 4-5-diaminopyrazole, 5-amino-2-methylphenol and m-phenylenediamine compounds and method of dyeing hair | — | 2003-04-29 |
| 6503282 | Means and method for dying keratinic fibers | — | 2003-01-07 |