Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4355144 | Process for producing a propylene-ethylene copolymer having improved stretchability | Akinobu Shiga, Kiyoshi Matsuyama, Masahiro Kakugo, Yukio Naito, Katsuyoshi Yamashita | 1982-10-19 |