Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889879 | Thermoplastic compositions with very high content of pulverized mineral materials for incorporation in polymers | Henry Seinera, Patricia Luberne, Patrick Trouve | 1989-12-26 |
| 4803231 | Thermoplastic compositions with very high content of pulverulent mineral materials for incorporation into polymers | Henri Seinera, Patricia Luberne, Patrick Trouve | 1989-02-07 |