Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7160630 | Corrosion resistant article and method of production thereof | — | 2007-01-09 |
| 5368655 | Process for chromating surfaces of zinc, cadmium and alloys thereof | — | 1994-11-29 |
| 4820388 | Polyalkylene glycol naphthyl-3-sulfopropyl diether compounds and their salts, process for preparing same and electroplating baths containing same | Werner Kurze | 1989-04-11 |
| 4746411 | Acidic sulfate containing bath for the electrodeposition of zinc/iron alloys | Karl-Heinz Lindemann, Hermann Donsbach | 1988-05-24 |
| 4740277 | Sulfate containing bath for the electrodeposition of zinc/nickel alloys | Karl-Heinz Lindemann, Hermann Donsbach | 1988-04-26 |
| 4740278 | Acidic chloride containing bath for the electrodeposition of zinc/iron alloys | Karl-Heinz Lindemann, Hermann Donsbach | 1988-04-26 |
| 4705576 | Acidic chromium containing coating solution for zinc or cadmium surfaces | Karl-Heinz Lindemann, Willi Birnstiel | 1987-11-10 |