Issued Patents All Time
Showing 126–131 of 131 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4601726 | Dye composition for the direct dyeing of keratinic fibres, containing at least one N-substituted cosolubilized 2-nitroparaphenylenediamine and corresponding processes for dyeing keratinic fibres | Jean F. Grollier, Andree Bugaut, Alain Genet | 1986-07-22 |
| 4511360 | Dyeing compositions based on oxidation dyestuff precursors and on nitro benzene dyestuffs and their use for dyeing keratin fibres | Christian Monnais, Andree Bugaut | 1985-04-16 |
| 4470826 | Nitro-derivatives of the benzene series and their use in the dyeing of keratin fibres | Andre/e/ Bugaut | 1984-09-11 |
| 4419101 | Chlorine-substituted nitro-para-phenylenediamines, a process for their preparation and their use in dyeing keratin fibres | Andree Bugaut | 1983-12-06 |
| 4391603 | Hydroxyl derivatives of benzaldehyde for coloring keratin fibres in the absence of oxidizing agent | Georges Rosenbaum, Jean F. Grollier | 1983-07-05 |
| 4370142 | Hair-dyeing compositions based on para-phenylenediamine and ortho-aminophenol | Andree Bugaut, Philippe Thouvenin | 1983-01-25 |