Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4814311 | Method for production of catalyst component for olefin polymerization (P-1292) | Masahide Murata, Masafumi Imai, Kouji Maruyama, Hiroshi Ueno | 1989-03-21 |
| 4814312 | Method for production of catalyst component for olefin polymerization | Masahide Murata, Masafumi Imai, Kouji Maruyama, Hiroshi Ueno | 1989-03-21 |
| 4814313 | Method of production of catalyst carrier for polymerization of olefin | Masahide Murata, Masafumi Imai, Kouji Maruyama, Hiroshi Ueno | 1989-03-21 |