Issued Patents 1997
Showing 1–3 of 3 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, 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 | Andre Deflandre, Serge Forestier, Herve Richard, Madeleine Leduc | 1997-04-29 |
| 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 | Andre Deflandre, Serge Forestier, Jean F. Grollier, Jean Cotteret | 1997-02-25 |