Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874734 | Process for producing solid catalyst for polymerization of olefins | Mamoru Kioka | 1989-10-17 |
| 4841003 | Process for producing olefin polymers | Akinori Toyota, Mamoru Kioka | 1989-06-20 |
| 4822840 | Low-crystalline propylene random copolymer composition, process for production thereof, and polypropylene composite laminated structure | Mamoru Kioka, Masahiro Sugi, Akinori Toyota | 1989-04-18 |
| 4801672 | Random 1-butene copolymer | Masaki Kohyama, Takeshi Muranaka, Kunisuke Fukui | 1989-01-31 |
| 4798866 | Branched alpha-olefin polymer composition and process for its production | Junichi Yoshitake, Hiroaki Kitani, Takeshi Muranaka, Kenichi Tominari, Shigeki Nagamatsu | 1989-01-17 |