Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4847227 | Solid catalyst component for olefin polymerization catalysts | Atsushi Murai, Kohei Kimura, Masuo Inoue, Katsuyoshi Miyoshi | 1989-07-11 |
| 4839321 | Solid catalyst component for olefin polymerization catalysts | Atsushi Murai, Kohei Kimura, Masuo Inoue | 1989-06-13 |
| 4829037 | Catalyst for polymerization of olefins | Hirokazu Soga, Kohei Kimura | 1989-05-09 |
| 4816433 | Solid catalyst component for the polymerization of olefins and an olefin polymerization catalyst | Atsushi Murai, Masuo Inoue, Katsuyoshi Miyoshi | 1989-03-28 |