Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5681512 | Process for producing homogeneous phase melt of polyacrylonitrile | Ryosuke Nishida, Takahisa Kida, Noriyuki Kohara, Yoshihiro Watanabe, Ryuichi Kasahara | 1997-10-28 |
| 5674975 | Process for manufacturing an improved acrylonitrile polymer melt | Ryosuke Nishida, Takahisa Kida, Noriyuki Kohara, Yoshihiro Watanabe, Ryuichi Kasahara | 1997-10-07 |