Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4358286 | Cosmetic hair dye composition based on a powder of vegetable origin | Jean F. Grollier, Josiane Allec, Georges Rosenbaum, Patrick Darmenton | 1982-11-09 |
| 4348202 | Hair dye or bleach supports | Jean F. Grollier | 1982-09-07 |
| 4314810 | Compositions suitable for use in dyeing hair obtained from the reaction of a polyhydroxybenzene and an oxidative dyestuff precursor of the para type | Jean F. Grollier | 1982-02-09 |