Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5668229 | Process for preparing high-molecular weight acrylamide polymer | Takashi Abe, Hiroshi Itoh, Manabu Tsuruta, Shoko Oyanagi | 1997-09-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5668229 | Process for preparing high-molecular weight acrylamide polymer | Takashi Abe, Hiroshi Itoh, Manabu Tsuruta, Shoko Oyanagi | 1997-09-16 |