Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4820775 | Alpha-olefin block copolymer particles and process for the production thereof | Akinobu Shiga, Masahiro Kakugo, Hajime Sadatoshi, Toshio Sasaki, Junpei Kojima +2 more | 1989-04-11 |