Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8551188 | Composition comprising a hydrophobic dye, a particular organic and/or mineral alkaline agent, a particular compound (I) and a particular organic compound (II), and dyeing use thereof | Boris Lalleman | 2013-10-08 |
| 5542952 | Dye composition containing sulphur-containing p-phenylenediamines and corresponding dyeing processes, novel sulphur-containing p-phenylenediamines and process for the preparation thereof | Alain Genet | 1996-08-06 |