Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888026 | Use of hydroxynaphthoquinones for dyeing human keratin fibres | Gerard Lang, Serge Forestier, Michel Hocquaux, Jean F. Grollier | 1989-12-19 |
| 4880621 | Cosmetic composition for the treatment of the hair and skin comprising a powder of flowers or flower tops and a cohesion agent | Jean F. Grollier, Josiane Allec, Chantal Fourcadier, Patrick Darmenton | 1989-11-14 |
| 4867751 | Use of benzoquinones for the direct dyeing of keratin fibres | Gerard Lang, Alain Malaval, Jean F. Grollier | 1989-09-19 |
| 4837006 | Photostable cosmetic composition containing trihydroxyethylrutin in combination with water-soluble sunscreens derived from benzylidenecamphor and its use in the protection of the skin and the hair | Jean F. Grollier | 1989-06-06 |
| 4832943 | Composition for coloring skin | Jean F. Grollier | 1989-05-23 |