Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7189880 | Process for producing 2,4′-dihydroxydiphenylsulfone | Gou Yoshino, Norihiro Taniguchi, Kazuaki Igarashi, Takeo Hasegawa | 2007-03-13 |
| 6046363 | Method of making 4-hydroxy-4'-benzyloxydiphenyl sulfone | — | 2000-04-04 |