Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6485665 | Method for producing polyurethane elastomer fibers and fibers produced according to this method | Frank Hermanutz, Peter Hirt, Wilhelm Oppermann | 2002-11-26 |
| 6458866 | Polyurethane elastomers, method of producing them and their use | Wilhelm Oppermann, Frank Hermanutz, Peter Hirt, Michael Schweizer | 2002-10-01 |