Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11021499 | Bis(6-methyl-3-sulphophenyl)(2-methylphenyl)phosphine, ammonium salt thereof, and method for producing same | Tatsuya Yoshikawa, Tomoaki Tsuji, Hitoshi KOIZUMI, Kyoko Sugita, Nobumichi KUMAMOTO | 2021-06-01 |