Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6646093 | Water-soluble polyurethane having comb-shaped hydrophobic group and application thereof | Manabu Tsuruta, Yunzhi Wu | 2003-11-11 |
| 6515050 | Comb-shaped diol, water-soluble polyurethane, and application thereof | Manabu Tsuruta, Yunzhi Wu | 2003-02-04 |