Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5698567 | Heterocyclic spiro compounds | Claude Guillonneau, Yves Charton, Emmanuel Canet, Michel Lonchampt | 1997-12-16 |
| 5627205 | Substituted phenoxyisobutyric acids and esters | Claude Guillonneau, Jean-Paul Vilaine, Albert Lenaers, Christine Breugnot | 1997-05-06 |