Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6645409 | Process for the production of cellulosic fibres | Wilhelm Feilmair, Heinrich Firgo | 2003-11-11 |
| 6579461 | Method for preparing or purifying aqueous solutions of a tertiary amino-oxide | Rudolf Emeder, Christian Hager, Franz Nussbaumer, Thomas Endl, Johannes Kneissl | 2003-06-17 |