Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5237013 | Composition of polybutene-1 and a process for preparing same | Masatoshi Toda, Masahiko Kondo | 1993-08-17 |
| 5202370 | Butene-1 copolymer composition | Takashi Yamawaki | 1993-04-13 |