Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4861848 | Polymerization of unsaturated hydrocarbons with an induction period | Jean-Marie Basset, Michel Leconte, Francoise Quignard | 1989-08-29 |
| 4859373 | Process for the production of alkanesulphonic acids | Christian H. Lagaude, Hubert Baptiste, Michele Larrouy | 1989-08-22 |
| 4837188 | Catalytic systems having extended duration and conservation for the metathesis of olefins | Jean-Paul Laval, Michel Leconte, Emile Perez, Francoise Quignard, Isabelle Rico | 1989-06-06 |