Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4831069 | Acrylonitrile spinning solution and process for producing fibers therewith | Teruhiko Sugimori, Yoshinobu Shiraishi, Toshiyuki Yasunaga | 1989-05-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4831069 | Acrylonitrile spinning solution and process for producing fibers therewith | Teruhiko Sugimori, Yoshinobu Shiraishi, Toshiyuki Yasunaga | 1989-05-16 |