Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5679758 | Method for producing shaped articles of soluble wholly aromatic polyamides | Jen-Chang Yang, Hung-Yi Hsiao | 1997-10-21 |
| 5643518 | Process for preparing fibers of soluble wholly aromatic polyamides | Jen-Chang Yang, Hsiao-Chuan Chang, Lien-Tai Chen | 1997-07-01 |
| 5621067 | Wholly aromatic polyamides with improved flame resistance | Jen-Chang Yang, Ting Chen | 1997-04-15 |