Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5632884 | Asphalt compositions, method of preparation, and use | Didier Jamois, Yannick Jolivet, Bernard Fixari | 1997-05-27 |
| 5629452 | Process for the preparation of polyoxyalkylated amines | Martin Mosquet, Jean-Pierre Guicquero, Yves Chevalier | 1997-05-13 |