Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4814386 | ABC block copolymers based on butadiene and isoprene, process for their preparation and use | Walter Hellermann, Christoph Herrmann, Hans-Bernd Fuchs, Karl-Heinz Nordsiek, Hans-Eberhard von Portatius | 1989-03-21 |