Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6811886 | Multi-layer biaxially oriented polypropylene film having an improved barrier, a method for the production thereof, and the use thereof | Stefan Bunk, Robert Hansohn | 2004-11-02 |
| 6777067 | Heat sealable, biaxally oriented polypropylene film with improved barrier properties | Robert Hansohn, Detlef Schumann, Frank Ernst | 2004-08-17 |