Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4500693 | Water soluble copolymer method for manufacture therefore and use thereof | Hidetoshi Takehara, Shorbu Shioji | 1985-02-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4500693 | Water soluble copolymer method for manufacture therefore and use thereof | Hidetoshi Takehara, Shorbu Shioji | 1985-02-19 |