Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11298304 | Two component hair treatment kit comprising a hair coloring cream and a developer composition comprising a specific tensioactive compound | Otto Gottel | 2022-04-12 |
| 10039701 | Permanent hair colorants based on a cream-like carrier and a combination of tris(hydroxymethyl) aminomethane, at least an amino acid and an oxidative dye | Otto Gottel | 2018-08-07 |
| 8834580 | Ammonium hydroxide-free hair dye compositions containing a buffer system | Otto Goettel, Alberto Finazzi | 2014-09-16 |
| 6696052 | Hair care compositions with diquaternary silicone polymers | Bernhard Irrgang, Herbert Mager, 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 | Herbert Mager | 1997-03-11 |
| 5480459 | Oxidative hair dye based on a creamlike carrier composition as well as process for the dyeing of hair | Herbert Mager, Gilbert Pasquier, Dieter Hoch | 1996-01-02 |
| 5021066 | Oxidative hair dye composition based on a gel vehicle and a process to dye hair | Herbert Mager, Eugen Konrad | 1991-06-04 |