Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5348923 | Silica-based substrates modified by grafting of polyalkylguanidinium groups, their process of manufacture and their use as catalysts | Philippe Gros, Pierre Le Perchec, Jean-Pierre Senet | 1994-09-20 |