Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4342681 | Use of organic silicon compounds in combination with oxetane compounds, dioxanes or tetrahydrofuranes for stabilizing and brightening polycarbonates which are free from phosphites and free from boric acid esters | Karsten-Josef Idel, Dieter Freitag | 1982-08-03 |
| 4327015 | Flame resistant, transparent polycarbonates comprising bisulfite adducts | Frank Druschke, Dieter Margotte, Karsten-Josef Idel | 1982-04-27 |