Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4340706 | Alkali metal acrylate or ammonium acrylate polymer excellent in salt solution-absorbency and process for producing same | Shigeji Obayashi, Koichi Fujiki, Takushi Yamamoto | 1982-07-20 |