Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6759507 | Process for producing polyphenylene ether | Kiyoshi Yoshida, Hiroya Fujii | 2004-07-06 |
| 6627727 | Method of precipitating polyphenylene ether | Kiyoshi Yoshida, Hiroya Fujii | 2003-09-30 |