Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5328491 | Method for dispersing and stabilizing a coal/water slurry using a polystyrenesulfonate | Junichi Yamada, Mituo Sugiyama | 1994-07-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5328491 | Method for dispersing and stabilizing a coal/water slurry using a polystyrenesulfonate | Junichi Yamada, Mituo Sugiyama | 1994-07-12 |