Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882087 | Aqueous dispersed solution of substituted succinic anhydride and process for producing the same | Shigehiko Yoshioka, Hideto Yamada, Hisatake Sato | 1989-11-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882087 | Aqueous dispersed solution of substituted succinic anhydride and process for producing the same | Shigehiko Yoshioka, Hideto Yamada, Hisatake Sato | 1989-11-21 |