Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6133188 | Process for preparing an ethylene polymerization catalyst and ethylene polymerization process | Dellyo Ricardo dos Santos Alvares | 2000-10-17 |
| 6018006 | Process for preparing an ethylene polymerization catalyst and ethylene polymerization process | Dellyo Ricardo dos Santos Alvares | 2000-01-25 |
| 4983693 | Process for preparing a Ziegler type catalytic system and process for preparing ultra high molecular weight polyethylene | Roberto Barcala Haag, Jaime da Silva, Odyr Do Coutto Filho | 1991-01-08 |