Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8434349 | Method of analysing the hydrocarbon compounds in a bituminous material | Jan Blomberg, Patricia Le Coutaller | 2013-05-07 |
| 7060743 | Bitumen composition | Alain Seive | 2006-06-13 |