Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5833904 | Process for the production of biaxially stretched films and apparatus for carrying out the process | Robert Schmidt, Karl-Heinz Kochem | 1998-11-10 |
| 5118566 | Biaxially-oriented polypropylene film with high mechanical strength | Thomas Wilhelm, Lothar Bothe, Guenther Crass, Gunter Schloegl | 1992-06-02 |