Issued Patents 1997
Showing 1–4 of 4 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, Herve Richard | 1997-09-23 |
| 5663270 | Photoprotective/cosmetic compositions comprising substituted polyorganosiloxanes/polyorganosilanes | Herve Richard, 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, Herve Richard | 1997-04-29 |
| 5610257 | Photoprotective/cosmetic compositions comprising benzotriazole-substituted polyorganosiloxanes/polyorganosilanes | Herve Richard, Alain Lagrange | 1997-03-11 |