Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5686556 | Process for the preparation of an .alpha.-amino .omega.-ester monoamide and process for the manufacture of a polyamide | Frederic Jouffret | 1997-11-11 |
| 4647642 | Process for the preparation of polyphenol derivatives and dermatives obtained thereby | Francois Laval, Ernest Marechal | 1987-03-03 |