Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4798873 | Polyolefinecarboxylic acids, their preparation and their use for preparing polyolefine-polycarbonate block copolymers | Kurt P. Meurer, Helmut Waniczek, Josef Witte | 1989-01-17 |