Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4563290 | Water-soluble copolymers useful for enhanced oil recovery | Masashi Okada, Kimihiko Noda | 1986-01-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4563290 | Water-soluble copolymers useful for enhanced oil recovery | Masashi Okada, Kimihiko Noda | 1986-01-07 |