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 | Serge Forestier, Gerard Lang, Herve Richard, Madeleine Leduc | 1997-09-23 |
| 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 | Serge Forestier, Gerard Lang, Herve Richard, Madeleine Leduc | 1997-04-29 |
| 5618520 | Photostable filtering cosmetic composition containing a UV-A filter and a filtering polymer of the benzotriazole silcone type | Isabelle Hansenne, Serge Forestier | 1997-04-08 |
| 5605680 | Photostable cosmetic composition containing a UV-A screen and a UV-B screen and a process for stabilizing the UV-A screen with the UV-B screen | Serge Forestier, Gerard Lang, Jean F. Grollier, Jean Cotteret | 1997-02-25 |