Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5681504 | Optically active tolanes | Guy Marck, Martin Schadt | 1997-10-28 |
| 5667721 | Liquid crystalline di-1,3-dioxane derivatives | Guy Marck, Alois Villiger | 1997-09-16 |
| 5662829 | Fluorocyclohexene-dioxane derivatives | Guy Marck | 1997-09-02 |