Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6488813 | Blocked urethane prepolymers as paper wet strength agent | Takeshi Doi, Masahiro Kouchi | 2002-12-03 |
| 5360835 | Radiation-curable polyurethane emulsion compositions | Kazuo Sato, Tadayuki Sugimoto | 1994-11-01 |