Issued Patents All Time
Showing 26–33 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7229479 | Method of coloring porous material | Victor Paul Eliu | 2007-06-12 |
| 7223295 | Method of coloring porous material | Victor Paul Eliu, Dominique Kauffmann | 2007-05-29 |
| 7166711 | Cationic dyes | Victor Paul Eliu | 2007-01-23 |
| 7166710 | Cationic dimeric dyes | Victor Paul Eliu | 2007-01-23 |
| 7091358 | Cationic substituted hydrazone dyes | Victor Paul Eliu | 2006-08-15 |
| 7078498 | Method of coloring hair using cationic dyes | Peter Mockli | 2006-07-18 |
| 7041143 | Method of coloring porous material | Jean-Marie Adam, Taher Yousaf | 2006-05-09 |
| 6254647 | Process for the preparation of a composition for the dyeing of human hair | — | 2001-07-03 |