Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7351765 | Method for producing polyvinylacetals | Kurt Stark, Peter Tschirner, Karl-Heinz Eichel, Franz Eichberger | 2008-04-01 |
| 6211289 | Modified polyvinylacetals with low solution viscosity | Peter Tschirner, Peter Heiling, Otto-Sebastian Huber, Guenter Braunsperger, Klaus Haefner | 2001-04-03 |