Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5053220 | Mascara composition based on waxes and keratin derivatives | Jean-Pierre Arraudeau, Jeanne Patraud, Didier Gagnebien, Gerard Lang | 1991-10-01 |
| 4867751 | Use of benzoquinones for the direct dyeing of keratin fibres | Gerard Lang, Jean F. Grollier, Georges Rosenbaum | 1989-09-19 |
| 4814162 | Cosmetic compositions containing hydroxyl derivatives of dibenzoylmethane and their use in protecting the skin against ultraviolet rays and derivatives for use therein | Gerald S. Lang, Madeleine Leduc | 1989-03-21 |
| 4726942 | Cosmetic composition for protection against ultraviolet radiation and its use for this purpose | Gerard Lang, Madeleine Leduc | 1988-02-23 |
| 4702906 | Cosmetic agents based on polycationic polymers, and their use in cosmetic compositions | Bernard Jacquet, Gerard Lang, Serge Forestier, Do Le Trung | 1987-10-27 |
| 4663088 | 3-benzylidene-camphors, process for their preparation and their use in protection against UV rays | Gerard Lang, Madeleine Leduc | 1987-05-05 |
| 4654434 | 3-benzylidene-camphors, process for their preparation and their use in protection against UV rays | Gerard Lang, Madeleine Leduc | 1987-03-31 |
| 4588839 | Sulphonamides derived from 3-benzylidene-camphor and their application as UV filters | Gerard Lang, Gerard Malle | 1986-05-13 |
| 4585597 | 3-benzylidene-camphors, process for their preparation and their use in protection against UV rays | Gerard Lang, Madeleine Leduc | 1986-04-29 |
| 4522808 | Anti-sunburn compositions containing 2-phenyl-indole derivatives | Bernard Jacquet, Gerard Lang | 1985-06-11 |
| 4517174 | Hair treatment compositions based on polycationic polymers | Bernard Jacquet, Gerard Lang, Serge Forestier, Do Le Trung | 1985-05-14 |
| 4504644 | Protein derivative containing grafted ultraviolet-absorbing radicals, the process for its preparation and composition in which it is present | Gerard Lang | 1985-03-12 |
| 4425321 | Deodorant compositions containing a polycarboxylic acid salt | Bernard Jacquet, Gerard Lang | 1984-01-10 |
| 4411884 | Cosmetic agents based on polycationic polymers, and their use in cosmetic compositions | Bernard Jacquet, Gerard Lang, Serge Forestier, Do Le Trung | 1983-10-25 |
| 4395541 | Ionene polymer and preparation thereof | Bernard Jacquet, Gerard Lang, Serge Forestier, Do Le Trung | 1983-07-26 |
| 4390522 | Cosmetic agents based on cationic polymers, cosmetic compositions containing the same and the use of said cosmetic agents | Bernard Jacquet, Gerard Lang, Serge Forestier, Do Le Trung | 1983-06-28 |
| 4390689 | Polycationic polymers and their preparation | Bernard Jacquet, Gerard Lang, Serge Forestier, Do Le Trung | 1983-06-28 |