Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5686533 | Polypropylenes having a reduced tendency to white fracture | Markus Gahleitner, Norbert Hafner, Kurt Hammerschmid, Hermann Heinemann | 1997-11-11 |
| 5681922 | Process for increasing the proportion of the .beta.-modification in polypropylene | Johannes Wolfschwenger | 1997-10-28 |
| 5665820 | Modified elastomeric polypropylenes | Dirk Leistner, Manfred Ratzsch, Achim Hesse, Norbert Hafner, Markus Gahleitner | 1997-09-09 |