Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4699943 | Self-extinguishing polystyrenic compositions | — | 1987-10-13 |
| 4650816 | Expanded polypropylene and articles thereof | — | 1987-03-17 |
| 4638015 | Expanded polypropylene films | — | 1987-01-20 |
| 4525533 | Polymer compositions | Jean Castelein | 1985-06-25 |
| 4378440 | Self-extinguishing polystyrenic compositions and process for their preparation | — | 1983-03-29 |
| 4359538 | Fire-retardant polystyrenic compositions | — | 1982-11-16 |
| 4230821 | Fire-retardant polystyrenic compositions | — | 1980-10-28 |