Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888392 | Copolymer of sulfur dioxide and polyalkylpolysilylstyrene | Seiki Itoh, Hiroshi Ono | 1989-12-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888392 | Copolymer of sulfur dioxide and polyalkylpolysilylstyrene | Seiki Itoh, Hiroshi Ono | 1989-12-19 |