Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5639537 | Polypropylene resin composition for oriented film and oriented film of the composition | Hiroyuki Tanimura, Hajime Sadatoshi, Kazuhiro Yamazaki, Taiji Yamada, Tuyoshi Hashimoto | 1997-06-17 |
| 5608018 | .alpha.-olefin polymerization catalyst system and process for producing .alpha.-olefin catalyst | Teruyosi Kiyota, Akio Imai | 1997-03-04 |