Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4309327 | Polymeric resin from ethylenic amino, sulfonic monomers | Shinichi Ishikura, Ryuzo Mizuguchi, Keizou Ishii | 1982-01-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4309327 | Polymeric resin from ethylenic amino, sulfonic monomers | Shinichi Ishikura, Ryuzo Mizuguchi, Keizou Ishii | 1982-01-05 |