Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9738790 | Process for forming corrosion protection layers on metal surfaces | Udo Hofmann | 2017-08-22 |
| 8951363 | Anti-corrosive treatment for surfaces made of zinc and zinc alloys | Udo Hofmann, Hermann Donsbach, Joerg Unger | 2015-02-10 |