Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5118848 | Process for the preparation of 4,4'-bis(4-aminophenoxy)-diphenyl sulfone | Martin Bartmann, Jurgen Finke, Gunter Poll | 1992-06-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5118848 | Process for the preparation of 4,4'-bis(4-aminophenoxy)-diphenyl sulfone | Martin Bartmann, Jurgen Finke, Gunter Poll | 1992-06-02 |