Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6497771 | Aqueous solution and method for phosphatizing metallic surfaces | Peter Schubach, Joachim Heitbaum, Thomas Kolberg, Margit Fleischhacker-Jeworrek, Michael Deemer +3 more | 2002-12-24 |
| 4950339 | Process of forming phosphate coatings on metals | Horst Gehmecker, Werner Rausch | 1990-08-21 |
| 4559087 | Process for phosphating metals | Norbert Meyer, Werner Rausch, Josef Rothkegel, Gunther Luckhardt, Gudrun Volling | 1985-12-17 |