Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4994263 | Medicinal combination used in photochemotherapy | Gerard Lang, Andre Deflandre | 1991-02-19 |
| 4950478 | Cosmetic compositions containing natural essences and benzylidenecamphor derivatives | Gerard Lang, Andre Deflandre | 1990-08-21 |
| 4731200 | Alcoholic or aqueous-alcoholic compositions containing natural essences and benzylidene-camphor derivatives | Gerard Lang, Andre Deflandre | 1988-03-15 |