Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5143518 | Cosmetic compositions for dyeing and for bleaching hair | Annie Madrange | 1992-09-01 |
| 4820308 | Detergent cosmetic compositions containing a soap and cationic compound and direct dye | Annie Madrange | 1989-04-11 |
| 4710314 | Detergent cosmetic composition containing a soap and cationic compound | Annie Madrange | 1987-12-01 |
| 4555247 | Hair-dyeing compositions based on nitro direct dyestuffs, and a dyeing process using these compositions | Roland De La Mettrie | 1985-11-26 |