Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6700020 | Semi-continuous method for producing 4,4'-dihydroxydiphenyl sulfone | Gunther Pabst | 2004-03-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6700020 | Semi-continuous method for producing 4,4'-dihydroxydiphenyl sulfone | Gunther Pabst | 2004-03-02 |