Issued Patents 1997
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5670140 | Photostable cosmetic filter composition containing a UV-A filter and a substituted dialkylbenzalmalonate, the use of substituted dialkylbenzalmalonates in cosmetics as broad-band solar filters and novel substituted dialkylmalonates | Andre Deflandre, Serge Forestier, Gerard Lang, Madeleine Leduc | 1997-09-23 |
| 5663270 | Photoprotective/cosmetic compositions comprising substituted polyorganosiloxanes/polyorganosilanes | Madeleine Leduc, Alain Lagrange | 1997-09-02 |
| 5624663 | Photostable cosmetic filter composition cotaining a UV-A filter and a substituted dialkylbenzalmalonate, the use of substituted dialkylbenzalmalonates in cosmetics as broad-band solar filters and novel substituted dialkyl malonates | Andre Deflandre, Serge Forestier, Gerard Lang, Madeleine Leduc | 1997-04-29 |
| 5609649 | Tinctorial composition for keratinous fibers containing oxidation dye precursors and couplers derived from 4-hydroxyindole, and dyeing method using them | Alex Junino, Jean J. Vandenbossche, Jean Cotteret | 1997-03-11 |
| 5610257 | Photoprotective/cosmetic compositions comprising benzotriazole-substituted polyorganosiloxanes/polyorganosilanes | Madeleine Leduc, Alain Lagrange | 1997-03-11 |