Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874734 | Process for producing solid catalyst for polymerization of olefins | Norio Kashiwa | 1989-10-17 |
| 4841003 | Process for producing olefin polymers | Norio Kashiwa, Akinori Toyota | 1989-06-20 |
| 4822840 | Low-crystalline propylene random copolymer composition, process for production thereof, and polypropylene composite laminated structure | Masahiro Sugi, Akinori Toyota, Norio Kashiwa | 1989-04-18 |