Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5276213 | Special dihydroxydiphenyl bicycloalkanes, their production and their use for the production of high molecular weight polycarbonates | Uwe Westeppe, Gerd Fengler, Manfred Hajek, Carl Casser, Helmut Waldmann | 1994-01-04 |