Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5292821 | Catonic acrylamide polymers and the applications of these polymers | Kenji Tsuboi, Hiroshi Itoh, Atsuhiko Nitta | 1994-03-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5292821 | Catonic acrylamide polymers and the applications of these polymers | Kenji Tsuboi, Hiroshi Itoh, Atsuhiko Nitta | 1994-03-08 |