Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5053539 | Methylene-crosslinked polyarylamine and process for preparing same | Naoyuki Yano, Takashi Nagou, Zunzi Tashima, Noritoshi Ishida, Hiroyuki Itoh +1 more | 1991-10-01 |