Issued Patents 1982
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4361516 | N-Monosubstituted indoanilines | Andree Bugaut, Francoise Estradier | 1982-11-30 |
| 4333730 | Meta-phenylenediamines, dyeing compositions in which they are present and the corresponding dyeing process | Andree Bugaut, Majdi M. Shahin, Jean J. Vandenbossche | 1982-06-08 |
| 4330292 | Dyeing compositions for keratin fibres containing meta-phenylenediamines | Andree Bugaut, Jean J. Vandenbossche, Majdi M. Shahin | 1982-05-18 |
| 4315912 | Cationic surfactants | Guy Vanlerberghe, Henri Sebag | 1982-02-16 |