Issued Patents 2022
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11427523 | Bisphenol composition containing aromatic alcohol sulfonate and method for producing same, polycarbonate resin and method for producing same, and bisphenol production method | Kei Uchiyama, Takayuki Yoshida, Kazuo Hirowatari, Takaharu Oono | 2022-08-30 |