Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4307223 | Solid resin prepared by polymerizing by-product tar formed during preparation of resorcinol | Akira Shintani, Yasuhisa Saito, Takashi Urata | 1981-12-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4307223 | Solid resin prepared by polymerizing by-product tar formed during preparation of resorcinol | Akira Shintani, Yasuhisa Saito, Takashi Urata | 1981-12-22 |