Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5227458 | Polycarbonate from dihydroxydiphenyl cycloalkane | Dieter Freitag, Uwe Westeppe, Claus Wulff, Carl Casser, Gunther Weymans +2 more | 1993-07-13 |
| 5126428 | Polycarbonate from dihydroxy diphenyl cycloalkane | Dieter Freitag, Uwe Westeppe, Claus Wulff, Carl Casser, Gunther Weymans +2 more | 1992-06-30 |
| 5086159 | Stabilized copolycarbonate from dihydroxy diphenyl cycloalkane | Uwe Westeppe, Werner Nouvertne, Dieter Freitag | 1992-02-04 |
| 4982014 | Dihydroxydiphenyl cycloalkanes, their production and their use for the production of high molecular weight polycarbonates | Dieter Freitag, Uwe Westeppe, Claus Wulff, Carl Casser, Gunther Weymans +2 more | 1991-01-01 |
| 4859390 | Process for the production of polyamide mouldings | Peter Bier | 1989-08-22 |
| 4794162 | Preparation of high molecular weight polyarylene sulfide with mixing of polyarylene sulfide with sulfur | Edgar Ostlinning | 1988-12-27 |
| 4699745 | Process for the production of polycarbonate injection-moulded shaped articles | Peter Bier | 1987-10-13 |