Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7582695 | Use of polymer powders that are redispersible in water as a binding agent for jointing sand | Rene Grawe | 2009-09-01 |
| 5587046 | Process for treating semiconductor material with an acid-containing fluid | Maximilian Stadler, Gunter Schwab, Peter Romeder | 1996-12-24 |