Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5334679 | Method for production of water-soluble cationic polymer | Takushi Yamamoto, Hiroari Hara, Nobuhiro Maeda | 1994-08-02 |
| 5326852 | Method for production of alkylene oxide polymers | Masato Fujikake, Shinji Kobayashi, Katsunori Tanaka, Masahiro Suzuki | 1994-07-05 |