Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4225311 | Dye composition containing a copolymer of ethylene oxide and propylene oxide as nonionic surfactant | Yukihisa Niimi, Toshio Sato, Hideo Kawanaka | 1980-09-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4225311 | Dye composition containing a copolymer of ethylene oxide and propylene oxide as nonionic surfactant | Yukihisa Niimi, Toshio Sato, Hideo Kawanaka | 1980-09-30 |