Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6602940 | Process for the preparation of aqueous solution or dispersion containing cationic polymer | Shin Sato, Takahiro Oshida, Takashi Ono, Kiyoji Kuma, Atsuo Takeuchi | 2003-08-05 |
| 6559227 | Process for producing vinylamine-vinyl alcohol copolymer and use of the copolymer | Kohichi Satoh, Nobuhiko Ueno | 2003-05-06 |