Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5674612 | Poly(p-phenylene terephthalamide) articles of high flame strength | Robert Valentine Kasowski | 1997-10-07 |
| 5660779 | Process of making textile fibers of sulfonated poly(p-phenylene terephthalamide) | Michael W. Bowen, Hung H. Yang | 1997-08-26 |