Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874816 | Vinyl copolymers with grafted-on polycarbonate chains, their production and use | Ralf Dujardin, Wolfgang Ebert, Rolf-Volker Meyer, Klaus Berg, Ulrich Grigo | 1989-10-17 |