Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6696052 | Hair care compositions with diquaternary silicone polymers | Johann Aeby, Bernhard Irrgang, Gilbert Pasquier, Emmanuel Romanens | 2004-02-24 |
| 5609651 | Oxidation hair dye composition made from a creamy hair dye-containing carrier and a preparation containing an oxidizing agent and polymer and method for oxidative dyeing of hair | Johann Aeby | 1997-03-11 |
| 5480459 | Oxidative hair dye based on a creamlike carrier composition as well as process for the dyeing of hair | Gilbert Pasquier, Dieter Hoch, Johann Aeby | 1996-01-02 |
| 5067966 | 2-amino-6-chloro-4-nitro-phenol derivatives, process to their production and hair dyes containing those compounds | — | 1991-11-26 |
| 5037446 | 2-nitroaniline derivatives and hair dyeing compositions containing same | Eugen Konrad, Thomas Clausen, Hans-Jurgen Braun | 1991-08-06 |
| 5021066 | Oxidative hair dye composition based on a gel vehicle and a process to dye hair | Johann Aeby, Eugen Konrad | 1991-06-04 |
| 4883656 | Composition and method for the oxidative dyeing of hair | Eugen Konrad, Axel Hoffmann | 1989-11-28 |
| 4855130 | Hair treating compositions and processes for improving the condition of hair | Eugen Konrad, Dietrich Hoch | 1989-08-08 |
| 4840639 | Agent for dyeing hair | Hans Husemeyer, Eugen Konrad | 1989-06-20 |
| 4835314 | 2-nitroaniline derivatives | Eugen Konrad, Thomas Clausen, Hans-Jurgen Braun | 1989-05-30 |
| 4755188 | Agent and process for the coloring of hair | Eugen Konrad, Hans-Jurgen Braun | 1988-07-05 |
| 4754069 | 2-alkyl sulfonyl-1,4-diaminobenzenes, processes for their production and oxidation hair dyeing compositions containing the same | Hans-Jurgen Braun, Eugen Konrad | 1988-06-28 |
| 4752467 | Hair treatment agent and method for improving the conditon of hair | Eugen Konrad, Dietrich Hoch | 1988-06-21 |
| 4725282 | Oxidative hair dyeing composition based upon a carrier of low viscosity | Dietrich Hoch, Eugen Konrad, Gilbert Pasquier | 1988-02-16 |
| 4588410 | Novel 2-hydroxy-4-aminobenzenes, method for their manufacturing and hair coloring agents containing these compounds | Eugen Konrad, Hans-Jurgen Braun | 1986-05-13 |
| 4543425 | 1,3-Diamino-4-(2',2',2',-trifluoroethoxy)-benzene, method of producing the same, and hair coloring composition containing the same | Eugen Konrad, Hans-Jurgen Braun, Friedrich Noser, Max Bracher | 1985-09-24 |
| 4452603 | Process for dyeing hair and composition therefor | Eugen Konrad, Hans Husemeyer | 1984-06-05 |
| 4396392 | Method for the coloring of hair | Eugen Konrad | 1983-08-02 |
| 4395262 | Hair dyeing agent | Eugen Konrad | 1983-07-26 |
| 4321053 | Hair dyeing composition and process | Eugen Konrad | 1982-03-23 |
| 4279613 | Method and composition for hair coloring | Eugen Konrad | 1981-07-21 |
| 4202881 | Hair shampoo and conditioning lotion | Paul Gross, Eugen Konrad | 1980-05-13 |