Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10093057 | Method to start-up a process to make non-expandable vinyl aromatic polymers | Michel Cassart, Francis Couget | 2018-10-09 |
| 8801982 | Method to start-up a process to make expandable vinyl aromatic polymers | Michel Cassart, Francis Couget | 2014-08-12 |