Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873289 | Graft polymers and blends thereof with polyamides | Christian Lindner, Dieter Wittmann, Carlhans Suling, Herbert Bartl, Karl-Heinz Ott | 1989-10-10 |
| 4806587 | High-impact polyamide moulding compositions | Christian Lindner, Josef Merten, Heinrich Haupt | 1989-02-21 |