Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4316980 | Process for the preparation of tetramethylated bisphenol polycarbonates | Karsten-Josef Idel, Volker Serini, Dieter Freitag | 1982-02-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4316980 | Process for the preparation of tetramethylated bisphenol polycarbonates | Karsten-Josef Idel, Volker Serini, Dieter Freitag | 1982-02-23 |